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+[
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new brown car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['golden', 'brown', 'orange', 'silver', 'brown', 'gray', 'blue', 'blue'] \/nStep 2, there is an brown car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":2
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":3
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 3869. B) 2369. C) 1869. D) 2869.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":4
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"A) 85. B) 513. C) 342. D) 1710000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'buick envision', 'audi q3', 'toyota corolla', 'tesla model y', 'volkswagen santana', 'mercedes-benz glc', 'nio es6'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000} \nStep 3, sum the price of each vehicle: 1710000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":5
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.5, 4.6, 4.8, 4.5, 4.8, 4.9] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":6
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 37.4. B) 4.5. C) 4. D) 4.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.5, 4.6, 4.8, 4.5, 4.8, 4.9] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":7
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":365000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'buick envision', 'audi q3', 'toyota corolla', 'tesla model y', 'volkswagen santana', 'mercedes-benz glc', 'nio es6'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000} \nStep 3, calculate the maximum price of all vehicles: 365000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":8
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'buick envision', 'audi q3', 'toyota corolla', 'tesla model y', 'volkswagen santana', 'mercedes-benz glc', 'nio es6'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":9
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 4 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 3. B) 6. C) 2. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 8 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 8-4=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":10
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many orange vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['golden', 'brown', 'orange', 'silver', 'brown', 'gray', 'blue', 'blue'] \/nStep 2, count all orange vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":11
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"A) 10. B) 11. C) 9. D) 8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'buick envision', 'audi q3', 'toyota corolla', 'tesla model y', 'volkswagen santana', 'mercedes-benz glc', 'nio es6'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000} \nStep 3, count vehicles priced below 500000 RMB: 8",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":12
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many brown compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['golden', 'brown', 'orange', 'silver', 'brown', 'gray', 'blue', 'blue'] \nStep 2, identify the type of brown vehicles: ['suv', 'mid-size'] \nStep 3, count brown compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":13
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"skoda",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3061.7, 1496.5], [2847.5, 2008.9], [3318.9, 505.1], [3164.4, 1106.2], [3248.8, 697.1], [2924.9, 1840.4], [3187.5, 917.2], [2992.0, 1656.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.3, 5.4, 40.0], [12.2, 12.7, 40.0], [19.0, -8.9, 40.0], [16.8, -0.3, 40.0], [18.0, -6.2, 40.0], [13.3, 10.3, 40.0], [17.1, -3.0, 40.0], [14.3, 7.7, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.2, 43.7, 45.2, 43.4, 44.3, 43.4, 43.6, 43.2] \/nStep 5, find the minimum distance to the drone: 43.2 \/nStep 6, identify the brand of this vehicle: skoda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":14
+    },
+    {
+        "image":"289a4cc2-DJI_0005.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3061.7, 1496.5], [2847.5, 2008.9], [3318.9, 505.1], [3164.4, 1106.2], [3248.8, 697.1], [2924.9, 1840.4], [3187.5, 917.2], [2992.0, 1656.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.3, 5.4, 40.0], [12.2, 12.7, 40.0], [19.0, -8.9, 40.0], [16.8, -0.3, 40.0], [18.0, -6.2, 40.0], [13.3, 10.3, 40.0], [17.1, -3.0, 40.0], [14.3, 7.7, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.2, 43.7, 45.2, 43.4, 44.3, 43.4, 43.6, 43.2] \/nStep 5, find the minimum distance to the drone: 43.2 \/nStep 6, calculate the flight time of the drone: 43.2\/18=2.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":15
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new black car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'silver', 'gray', 'golden', 'red', 'black', 'orange', 'blue', 'brown', 'gray', 'blue'] \/nStep 2, there is an black car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":16
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 80. B) 20. C) 100. D) 40.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":17
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"A) 90. B) 60. C) 30. D) 45.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":18
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 12477. B) 7977. C) 8477. D) 7477.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":19
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":2160000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'chevrolet sail', 'toyota corolla', 'mazda 5', 'skoda octavia', 'hyundai coupe', 'lexus es', 'audi q3', 'mercedes-benz glc', 'buick envision', 'volkswagen santana', 'nio es6'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000} \nStep 3, sum the price of each vehicle: 2160000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":20
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.3, 4.6, 4.6, 4.8, 4.4, 5.0, 4.5, 4.8, 4.6, 4.5, 4.9] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":21
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":177500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'chevrolet sail', 'toyota corolla', 'mazda 5', 'skoda octavia', 'hyundai coupe', 'lexus es', 'audi q3', 'mercedes-benz glc', 'buick envision', 'volkswagen santana', 'nio es6'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000} \nStep 3, calculate the median price of all vehicles: 177500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":22
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":365000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'chevrolet sail', 'toyota corolla', 'mazda 5', 'skoda octavia', 'hyundai coupe', 'lexus es', 'audi q3', 'mercedes-benz glc', 'buick envision', 'volkswagen santana', 'nio es6'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000} \nStep 3, calculate the maximum price of all vehicles: 365000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":23
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.3, 4.6, 4.6, 4.8, 4.4, 5.0, 4.5, 4.8, 4.6, 4.5, 4.9] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":24
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'subcompact', 'compact', 'mpv', 'compact', 'sports', 'mid-size', 'suv', 'suv', 'suv', 'compact', 'suv'] \nStep 2, identify the color of subcompact vehicles: ['white'] \nStep 3, count subcompact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of subcompact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":25
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"A) 7. B) 4. C) 1. D) 8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 12 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 12-8=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":26
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many sports vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'subcompact', 'compact', 'mpv', 'compact', 'sports', 'mid-size', 'suv', 'suv', 'suv', 'compact', 'suv'] \/nStep 2, count all sports vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":27
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'chevrolet sail', 'toyota corolla', 'mazda 5', 'skoda octavia', 'hyundai coupe', 'lexus es', 'audi q3', 'mercedes-benz glc', 'buick envision', 'volkswagen santana', 'nio es6'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000} \nStep 3, count vehicles priced below 500000 RMB: 12",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":28
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many silver sports vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) -1. C) 1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'silver', 'gray', 'golden', 'red', 'black', 'orange', 'blue', 'brown', 'gray', 'blue'] \nStep 2, identify the type of silver vehicles: ['compact'] \nStep 3, count silver sports vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":29
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"chevrolet",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2511.7, 1230.9], [3055.0, 300.9], [2483.7, 1429.4], [2810.3, 614.9], [2437.3, 1618.0], [2370.1, 525.3], [2892.9, 438.3], [2549.3, 1136.3], [2504.6, 1340.8], [2333.6, 1874.3], [2363.7, 1790.3], [2393.1, 1695.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.8, 3.1, 80.0], [30.4, -23.8, 80.0], [13.9, 8.8, 80.0], [23.4, -14.7, 80.0], [12.6, 14.2, 80.0], [10.7, -17.3, 80.0], [25.7, -19.8, 80.0], [15.8, 0.3, 80.0], [14.5, 6.2, 80.0], [9.6, 21.6, 80.0], [10.5, 19.2, 80.0], [11.3, 16.4, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.4, 88.8, 81.7, 84.6, 82.2, 82.5, 86.3, 81.6, 81.5, 83.4, 82.9, 82.5] \/nStep 5, find the maximum distance to the drone: 88.8 \/nStep 6, identify the brand of this vehicle: chevrolet",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":30
+    },
+    {
+        "image":"c36286ef-DJI_0013.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2511.7, 1230.9], [3055.0, 300.9], [2483.7, 1429.4], [2810.3, 614.9], [2437.3, 1618.0], [2370.1, 525.3], [2892.9, 438.3], [2549.3, 1136.3], [2504.6, 1340.8], [2333.6, 1874.3], [2363.7, 1790.3], [2393.1, 1695.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.8, 3.1, 80.0], [30.4, -23.8, 80.0], [13.9, 8.8, 80.0], [23.4, -14.7, 80.0], [12.6, 14.2, 80.0], [10.7, -17.3, 80.0], [25.7, -19.8, 80.0], [15.8, 0.3, 80.0], [14.5, 6.2, 80.0], [9.6, 21.6, 80.0], [10.5, 19.2, 80.0], [11.3, 16.4, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.4, 88.8, 81.7, 84.6, 82.2, 82.5, 86.3, 81.6, 81.5, 83.4, 82.9, 82.5] \/nStep 5, find the maximum distance to the drone: 88.8 \/nStep 6, calculate the flight time of the drone: 88.8\/18=4.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":31
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Phoebe said she bought a new pink car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'silver', 'gray', 'blue', 'white', 'white', 'brown', 'gray', 'orange', 'white', 'blue', 'blue', 'blue', 'brown', 'blue', 'black', 'red', 'gray'] \/nStep 2, there is no pink car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":32
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":33
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":34
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 16823. B) 17823. C) 18823. D) 26823.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":35
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"",
+        "answer":3575000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'skoda octavia', 'toyota corolla', 'toyota highlander', 'mercedes-benz glc', 'chevrolet sail', 'volkswagen cc', 'buick excelle', 'mazda 5', 'audi q3', 'honda odyssey', 'bmw 5 series', 'ora good cat', 'ora good cat', 'buick envision', 'nio es6', 'lexus es', 'hyundai coupe', 'volkswagen santana'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000} \nStep 3, sum the price of each vehicle: 3575000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":36
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.6, 5.0, 4.8, 4.3, 4.9, 4.6, 4.6, 4.5, 4.9, 5.2, 4.2, 4.2, 4.6, 4.9, 5.0, 4.4, 4.5] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":37
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 88.6. B) 4.2. C) 4. D) 4.6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.6, 5.0, 4.8, 4.3, 4.9, 4.6, 4.6, 4.5, 4.9, 5.2, 4.2, 4.2, 4.6, 4.9, 5.0, 4.4, 4.5] \nStep 5, find the median length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":38
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.6, 5.0, 4.8, 4.3, 4.9, 4.6, 4.6, 4.5, 4.9, 5.2, 4.2, 4.2, 4.6, 4.9, 5.0, 4.4, 4.5] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":39
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"A) 188157. B) 25000. C) 425000. D) 205000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'skoda octavia', 'toyota corolla', 'toyota highlander', 'mercedes-benz glc', 'chevrolet sail', 'volkswagen cc', 'buick excelle', 'mazda 5', 'audi q3', 'honda odyssey', 'bmw 5 series', 'ora good cat', 'ora good cat', 'buick envision', 'nio es6', 'lexus es', 'hyundai coupe', 'volkswagen santana'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":40
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) blue. C) silver. D) red.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'silver', 'gray', 'blue', 'white', 'white', 'brown', 'gray', 'orange', 'white', 'blue', 'blue', 'blue', 'brown', 'blue', 'black', 'red', 'gray'] \/nStep 2, count vehicles for each color: {'brown': 3, 'golden': 1, 'silver': 1, 'gray': 3, 'blue': 5, 'white': 3, 'orange': 1, 'black': 1, 'red': 1}. \/nStep 3, sort to get the most common color: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":41
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 12 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 6. B) 5. C) 7. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 19 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 19-12=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":42
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'compact', 'suv', 'suv', 'subcompact', 'mid-size', 'compact', 'mpv', 'suv', 'mpv', 'full-size', 'subcompact', 'subcompact', 'suv', 'suv', 'mid-size', 'sports', 'compact'] \/nStep 2, count all subcompact vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":43
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"A) 2. B) 1. C) 0. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'skoda octavia', 'toyota corolla', 'toyota highlander', 'mercedes-benz glc', 'chevrolet sail', 'volkswagen cc', 'buick excelle', 'mazda 5', 'audi q3', 'honda odyssey', 'bmw 5 series', 'ora good cat', 'ora good cat', 'buick envision', 'nio es6', 'lexus es', 'hyundai coupe', 'volkswagen santana'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":44
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many red mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'silver', 'gray', 'blue', 'white', 'white', 'brown', 'gray', 'orange', 'white', 'blue', 'blue', 'blue', 'brown', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the type of red vehicles: ['sports'] \nStep 3, count red mpv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":45
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"envision",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2583.4, 920.9], [2528.5, 1180.6], [2560.2, 1057.7], [3739.7, 383.9], [2567.4, 995.0], [2946.0, 301.0], [3908.5, 555.4], [3440.6, 93.9], [2782.3, 510.8], [2607.0, 857.4], [3395.7, 44.7], [3639.0, 315.7], [3971.7, 592.5], [3971.7, 592.5], [2458.1, 1349.7], [2496.3, 1230.6], [2837.1, 392.1], [2490.2, 449.7], [2485.0, 1294.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[25.2, -8.8, 120.0], [22.9, 2.4, 120.0], [24.2, -2.9, 120.0], [75.2, -32.1, 120.0], [24.5, -5.6, 120.0], [40.9, -35.6, 120.0], [82.5, -24.6, 120.0], [62.3, -44.6, 120.0], [33.8, -26.6, 120.0], [26.3, -11.6, 120.0], [60.4, -46.7, 120.0], [70.9, -35.0, 120.0], [85.3, -23.0, 120.0], [85.3, -23.0, 120.0], [19.8, 9.7, 120.0], [21.5, 4.6, 120.0], [36.2, -31.7, 120.0], [21.2, -29.2, 120.0], [21.0, 7.3, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [122.9, 122.2, 122.5, 145.2, 122.6, 131.7, 147.7, 142.4, 127.5, 123.4, 142.2, 143.7, 149.0, 149.0, 122.0, 122.0, 129.3, 125.3, 122.0] \/nStep 5, find the minimum distance to the drone: 122.0 \/nStep 6, identify the model of this vehicle: envision",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":46
+    },
+    {
+        "image":"bb040668-DJI_0018.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2583.4, 920.9], [2528.5, 1180.6], [2560.2, 1057.7], [3739.7, 383.9], [2567.4, 995.0], [2946.0, 301.0], [3908.5, 555.4], [3440.6, 93.9], [2782.3, 510.8], [2607.0, 857.4], [3395.7, 44.7], [3639.0, 315.7], [3971.7, 592.5], [3971.7, 592.5], [2458.1, 1349.7], [2496.3, 1230.6], [2837.1, 392.1], [2490.2, 449.7], [2485.0, 1294.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[25.2, -8.8, 120.0], [22.9, 2.4, 120.0], [24.2, -2.9, 120.0], [75.2, -32.1, 120.0], [24.5, -5.6, 120.0], [40.9, -35.6, 120.0], [82.5, -24.6, 120.0], [62.3, -44.6, 120.0], [33.8, -26.6, 120.0], [26.3, -11.6, 120.0], [60.4, -46.7, 120.0], [70.9, -35.0, 120.0], [85.3, -23.0, 120.0], [85.3, -23.0, 120.0], [19.8, 9.7, 120.0], [21.5, 4.6, 120.0], [36.2, -31.7, 120.0], [21.2, -29.2, 120.0], [21.0, 7.3, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [122.9, 122.2, 122.5, 145.2, 122.6, 131.7, 147.7, 142.4, 127.5, 123.4, 142.2, 143.7, 149.0, 149.0, 122.0, 122.0, 129.3, 125.3, 122.0] \/nStep 5, find the minimum distance to the drone: 122.0 \/nStep 6, calculate the flight time of the drone: 122.0\/16=7.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":47
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Phoebe said she bought a new red car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'white', 'black', 'black', 'gray', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'white', 'red', 'black', 'black', 'black', 'black', 'black', 'golden', 'red', 'red'] \/nStep 2, there is an red car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":48
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 40. B) 120. C) 60. D) 100.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":49
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"A) 60. B) 80. C) 45. D) 90.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":50
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 30137. B) 20137. C) 21137. D) 25137.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":51
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":5855000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'audi q3', 'audi a4l', 'buick velite 6', 'buick envision', 'bmw 3 series', 'mercedes-benz glk', 'buick envision', 'geely icon', 'toyota highlander', 'honda cr-v', 'byd seal', 'tesla model 3', 'toyota rav4', 'volkswagen lavida', 'hyundai elantra', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'volkswagen passat', 'jeep grand commander', 'buick lacrosse', 'volvo s60', 'byd han'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000} \nStep 3, sum the price of each vehicle: 5855000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":52
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":600000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'white', 'black', 'black', 'gray', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'white', 'red', 'black', 'black', 'black', 'black', 'black', 'golden', 'red', 'red'] \nStep 2, identify the model of blue vehicles: ['audi q3', 'geely icon', 'tesla model 3'] \nStep 3, query vehicle prices: {'audi q3': 215000, 'geely icon': 100000, 'tesla model 3': 285000} \nStep 4, sum the price of each blue vehicle: 600000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":53
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"A) 1250000. B) 207500. C) 75000. D) 243958.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'audi q3', 'audi a4l', 'buick velite 6', 'buick envision', 'bmw 3 series', 'mercedes-benz glk', 'buick envision', 'geely icon', 'toyota highlander', 'honda cr-v', 'byd seal', 'tesla model 3', 'toyota rav4', 'volkswagen lavida', 'hyundai elantra', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'volkswagen passat', 'jeep grand commander', 'buick lacrosse', 'volvo s60', 'byd han'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000} \nStep 3, calculate the average price of all vehicles: 243958",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":54
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.5, 4.9, 4.7, 4.6, 4.7, 4.6, 4.6, 4.3, 5.0, 4.7, 4.8, 4.7, 4.6, 4.7, 4.6, 5.3, 4.9, 5.0, 4.9, 4.9, 5.0, 4.8, 5.0] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":55
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":1250000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'audi q3', 'audi a4l', 'buick velite 6', 'buick envision', 'bmw 3 series', 'mercedes-benz glk', 'buick envision', 'geely icon', 'toyota highlander', 'honda cr-v', 'byd seal', 'tesla model 3', 'toyota rav4', 'volkswagen lavida', 'hyundai elantra', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'volkswagen passat', 'jeep grand commander', 'buick lacrosse', 'volvo s60', 'byd han'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000} \nStep 3, calculate the maximum price of all vehicles: 1250000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":56
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 114.5. B) 4.3. C) 4. D) 5.3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.5, 4.9, 4.7, 4.6, 4.7, 4.6, 4.6, 4.3, 5.0, 4.7, 4.8, 4.7, 4.6, 4.7, 4.6, 5.3, 4.9, 5.0, 4.9, 4.9, 5.0, 4.8, 5.0] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":57
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'white', 'black', 'black', 'gray', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'white', 'red', 'black', 'black', 'black', 'black', 'black', 'golden', 'red', 'red'] \/nStep 2, count vehicles for each color: {'white': 5, 'blue': 3, 'gray': 2, 'black': 10, 'red': 3, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":58
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 29 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 24 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 29-24=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":59
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'crossover', 'sedan', 'mid-size', 'crossover', 'compact', 'compact', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size'] \/nStep 2, count all mid-size vehicles: 10",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":60
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'audi q3', 'audi a4l', 'buick velite 6', 'buick envision', 'bmw 3 series', 'mercedes-benz glk', 'buick envision', 'geely icon', 'toyota highlander', 'honda cr-v', 'byd seal', 'tesla model 3', 'toyota rav4', 'volkswagen lavida', 'hyundai elantra', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'volkswagen passat', 'jeep grand commander', 'buick lacrosse', 'volvo s60', 'byd han'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000} \nStep 3, count vehicles priced above 300000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":61
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many gray full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'white', 'black', 'black', 'gray', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'white', 'red', 'black', 'black', 'black', 'black', 'black', 'golden', 'red', 'red'] \nStep 2, identify the type of gray vehicles: ['mid-size', 'suv'] \nStep 3, count gray full-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":62
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"tesla",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2008.0, 1555.0], [2088.4, 1813.6], [2019.7, 1624.8], [2162.8, 2033.1], [2198.5, 2110.8], [2111.6, 1886.8], [2148.8, 1953.3], [2056.7, 1680.5], [2080.8, 1745.9], [1969.3, 1430.6], [1887.6, 1141.8], [1869.2, 1032.4], [2225.9, 2188.2], [1949.7, 1369.0], [1832.1, 819.6], [1859.4, 981.2], [1788.2, 670.6], [1923.5, 1311.6], [1839.1, 878.3], [1813.0, 774.7], [1926.5, 1251.4], [1885.3, 1086.4], [1845.5, 926.3], [1909.3, 1195.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.3, 16.4, 106.0], [3.2, 25.1, 101.0], [0.7, 18.8, 104.6], [5.7, 31.8, 97.1], [6.9, 34.0, 95.8], [4.0, 27.4, 99.7], [5.3, 29.4, 98.5], [2.1, 20.7, 103.5], [3.0, 22.9, 102.3], [-1.2, 12.0, 108.6], [-4.7, 0.7, 115.1], [-5.6, -3.9, 117.7], [7.7, 36.2, 94.6], [-2.0, 9.7, 109.9], [-7.5, -13.6, 123.3], [-6.0, -6.2, 119.0], [-9.7, -20.9, 127.5], [-3.1, 7.5, 111.2], [-7.1, -10.8, 121.7], [-8.4, -15.7, 124.5], [-3.0, 5.1, 112.5], [-4.8, -1.6, 116.4], [-6.7, -8.6, 120.5], [-3.7, 2.9, 113.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [107.3, 104.1, 106.3, 102.3, 101.9, 103.4, 102.9, 105.6, 104.8, 109.2, 115.2, 117.9, 101.5, 110.3, 124.3, 119.3, 129.6, 111.4, 122.4, 125.8, 112.7, 116.5, 120.9, 113.9] \/nStep 5, find the minimum distance to the drone: 101.5 \/nStep 6, identify the brand of this vehicle: tesla",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":63
+    },
+    {
+        "image":"04d94ffc-DJI_0021.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":10.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2008.0, 1555.0], [2088.4, 1813.6], [2019.7, 1624.8], [2162.8, 2033.1], [2198.5, 2110.8], [2111.6, 1886.8], [2148.8, 1953.3], [2056.7, 1680.5], [2080.8, 1745.9], [1969.3, 1430.6], [1887.6, 1141.8], [1869.2, 1032.4], [2225.9, 2188.2], [1949.7, 1369.0], [1832.1, 819.6], [1859.4, 981.2], [1788.2, 670.6], [1923.5, 1311.6], [1839.1, 878.3], [1813.0, 774.7], [1926.5, 1251.4], [1885.3, 1086.4], [1845.5, 926.3], [1909.3, 1195.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.3, 16.4, 106.0], [3.2, 25.1, 101.0], [0.7, 18.8, 104.6], [5.7, 31.8, 97.1], [6.9, 34.0, 95.8], [4.0, 27.4, 99.7], [5.3, 29.4, 98.5], [2.1, 20.7, 103.5], [3.0, 22.9, 102.3], [-1.2, 12.0, 108.6], [-4.7, 0.7, 115.1], [-5.6, -3.9, 117.7], [7.7, 36.2, 94.6], [-2.0, 9.7, 109.9], [-7.5, -13.6, 123.3], [-6.0, -6.2, 119.0], [-9.7, -20.9, 127.5], [-3.1, 7.5, 111.2], [-7.1, -10.8, 121.7], [-8.4, -15.7, 124.5], [-3.0, 5.1, 112.5], [-4.8, -1.6, 116.4], [-6.7, -8.6, 120.5], [-3.7, 2.9, 113.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [107.3, 104.1, 106.3, 102.3, 101.9, 103.4, 102.9, 105.6, 104.8, 109.2, 115.2, 117.9, 101.5, 110.3, 124.3, 119.3, 129.6, 111.4, 122.4, 125.8, 112.7, 116.5, 120.9, 113.9] \/nStep 5, find the minimum distance to the drone: 101.5 \/nStep 6, calculate the flight time of the drone: 101.5\/10=10.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":64
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new blue car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'red', 'red', 'black', 'black', 'white', 'black', 'black', 'golden', 'white', 'black', 'black', 'gray', 'white', 'black', 'red', 'blue'] \/nStep 2, there is an blue car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":65
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":66
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":67
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":68
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000}",
+        "choices":"",
+        "answer":4130000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd seal', 'hyundai elantra', 'volvo s60', 'volkswagen passat', 'buick lacrosse', 'volkswagen lavida', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'toyota highlander', 'toyota rav4', 'buick envision', 'audi a4l', 'tesla model 3', 'jeep grand commander', 'byd han', 'geely icon'] \nStep 2, query all vehicle prices: {'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000} \nStep 3, sum the price of each vehicle: 4130000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":69
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000}",
+        "choices":"A) 75000. B) 205000. C) 242941. D) 170000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd seal', 'hyundai elantra', 'volvo s60', 'volkswagen passat', 'buick lacrosse', 'volkswagen lavida', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'toyota highlander', 'toyota rav4', 'buick envision', 'audi a4l', 'tesla model 3', 'jeep grand commander', 'byd han', 'geely icon'] \nStep 2, query all vehicle prices: {'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000} \nStep 3, calculate the average price of all vehicles: 242941",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":70
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.8, 4.9, 5.0, 4.7, 5.3, 4.9, 5.0, 5.0, 4.6, 4.6, 4.9, 4.7, 4.9, 5.0, 4.3] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":71
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000}",
+        "choices":"",
+        "answer":1250000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd seal', 'hyundai elantra', 'volvo s60', 'volkswagen passat', 'buick lacrosse', 'volkswagen lavida', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'toyota highlander', 'toyota rav4', 'buick envision', 'audi a4l', 'tesla model 3', 'jeep grand commander', 'byd han', 'geely icon'] \nStep 2, query all vehicle prices: {'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000} \nStep 3, calculate the maximum price of all vehicles: 1250000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":72
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000}",
+        "choices":"A) 242941. B) 1250000. C) 205000. D) 75000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd seal', 'hyundai elantra', 'volvo s60', 'volkswagen passat', 'buick lacrosse', 'volkswagen lavida', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'toyota highlander', 'toyota rav4', 'buick envision', 'audi a4l', 'tesla model 3', 'jeep grand commander', 'byd han', 'geely icon'] \nStep 2, query all vehicle prices: {'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":73
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'red', 'red', 'black', 'black', 'white', 'black', 'black', 'golden', 'white', 'black', 'black', 'gray', 'white', 'black', 'red', 'blue'] \/nStep 2, count vehicles for each color: {'black': 8, 'red': 3, 'white': 3, 'golden': 1, 'gray': 1, 'blue': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":74
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 10 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 6. B) 7. C) 1. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 17 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 17-10=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":75
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['sedan', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'full-size', 'mid-size', 'mid-size', 'suv', 'crossover', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv'] \/nStep 2, count all compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":76
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000}",
+        "choices":"",
+        "answer":16,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd seal', 'hyundai elantra', 'volvo s60', 'volkswagen passat', 'buick lacrosse', 'volkswagen lavida', 'audi a8', 'mercedes-benz c-class', 'buick lacrosse', 'toyota highlander', 'toyota rav4', 'buick envision', 'audi a4l', 'tesla model 3', 'jeep grand commander', 'byd han', 'geely icon'] \nStep 2, query all vehicle prices: {'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000, 'geely icon': 100000} \nStep 3, count vehicles priced below 500000 RMB: 16",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":77
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many black full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'red', 'red', 'black', 'black', 'white', 'black', 'black', 'golden', 'white', 'black', 'black', 'gray', 'white', 'black', 'red', 'blue'] \nStep 2, identify the type of black vehicles: ['sedan', 'mid-size', 'mid-size', 'full-size', 'mid-size', 'crossover', 'suv', 'suv'] \nStep 3, count black full-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":78
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"geely",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2654.2, 922.2], [2635.0, 838.3], [2600.1, 750.8], [2529.8, 507.1], [2583.6, 672.1], [2566.1, 577.7], [2475.7, 348.0], [2790.3, 1407.2], [2689.1, 1014.4], [2897.6, 1628.0], [2845.9, 1513.4], [3110.2, 2109.6], [3021.1, 1997.4], [2986.0, 1863.0], [2785.8, 1303.8], [2766.4, 1197.8], [3159.3, 2249.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[17.1, -5.3, 72.3], [16.9, -7.6, 73.7], [16.3, -10.1, 75.1], [15.2, -17.7, 79.5], [16.1, -12.5, 76.5], [16.0, -15.4, 78.2], [14.2, -23.1, 82.6], [18.6, 6.7, 65.4], [17.6, -2.8, 70.9], [20.3, 11.4, 62.7], [19.5, 9.0, 64.1], [23.0, 20.4, 57.5], [21.6, 18.4, 58.6], [21.3, 16.0, 60.1], [18.9, 4.3, 66.8], [18.9, 1.8, 68.2], [23.5, 22.8, 56.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [74.5, 76.0, 77.5, 82.9, 79.2, 81.3, 87.0, 68.4, 73.1, 66.9, 67.6, 65.2, 65.1, 65.7, 69.6, 70.8, 65.0] \/nStep 5, find the minimum distance to the drone: 65.0 \/nStep 6, identify the brand of this vehicle: geely",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":79
+    },
+    {
+        "image":"56e70dfb-DJI_0030.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2654.2, 922.2], [2635.0, 838.3], [2600.1, 750.8], [2529.8, 507.1], [2583.6, 672.1], [2566.1, 577.7], [2475.7, 348.0], [2790.3, 1407.2], [2689.1, 1014.4], [2897.6, 1628.0], [2845.9, 1513.4], [3110.2, 2109.6], [3021.1, 1997.4], [2986.0, 1863.0], [2785.8, 1303.8], [2766.4, 1197.8], [3159.3, 2249.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[17.1, -5.3, 72.3], [16.9, -7.6, 73.7], [16.3, -10.1, 75.1], [15.2, -17.7, 79.5], [16.1, -12.5, 76.5], [16.0, -15.4, 78.2], [14.2, -23.1, 82.6], [18.6, 6.7, 65.4], [17.6, -2.8, 70.9], [20.3, 11.4, 62.7], [19.5, 9.0, 64.1], [23.0, 20.4, 57.5], [21.6, 18.4, 58.6], [21.3, 16.0, 60.1], [18.9, 4.3, 66.8], [18.9, 1.8, 68.2], [23.5, 22.8, 56.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [74.5, 76.0, 77.5, 82.9, 79.2, 81.3, 87.0, 68.4, 73.1, 66.9, 67.6, 65.2, 65.1, 65.7, 69.6, 70.8, 65.0] \/nStep 5, find the minimum distance to the drone: 65.0 \/nStep 6, calculate the flight time of the drone: 65.0\/18=3.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":17,
+        "region":"image-level",
+        "qid":80
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new gray car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'blue'] \/nStep 2, there is an gray car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":81
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":82
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":83
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 10805. B) 805. C) 1805. D) 5805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":84
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":1000000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'bmw 5 series': 425000} \nStep 3, sum the price of each vehicle: 1000000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":85
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 5.2] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":86
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 5.2] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":87
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.2. B) 5.2. C) 19.2. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 5.2] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":88
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 5.2] \nStep 5, find the minimum length of all vehicles: 4.2",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":89
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'blue'] \/nStep 2, count vehicles for each color: {'white': 1, 'blue': 2, 'gray': 1}. \/nStep 3, sort to get the most common color: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":90
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'subcompact', 'suv', 'full-size'] \nStep 2, identify the color of mid-size vehicles: ['white'] \nStep 3, count mid-size vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":91
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 2 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 4-2=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":92
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 3. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'blue'] \/nStep 2, count all blue vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":93
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'bmw 5 series': 425000}",
+        "choices":"A) 4. B) 6. C) 3. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'bmw 5 series': 425000} \nStep 3, count vehicles priced below 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":94
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many gray full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'blue'] \nStep 2, identify the type of gray vehicles: ['suv'] \nStep 3, count gray full-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":95
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2643.9, 1352.2], [3046.9, 1594.1], [1792.2, 477.3], [1326.2, 222.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.1, 1.8, 22.1], [7.9, 3.6, 21.0], [-2.0, -6.2, 26.7], [-6.9, -9.3, 28.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.7, 22.8, 27.5, 30.7] \/nStep 5, find the minimum distance to the drone: 22.7 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":96
+    },
+    {
+        "image":"70a70ac2-DJI_0033.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 9.5. B) 11. C) 10. D) 2.3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2643.9, 1352.2], [3046.9, 1594.1], [1792.2, 477.3], [1326.2, 222.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.1, 1.8, 22.1], [7.9, 3.6, 21.0], [-2.0, -6.2, 26.7], [-6.9, -9.3, 28.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.7, 22.8, 27.5, 30.7] \/nStep 5, find the minimum distance to the drone: 22.7 \/nStep 6, calculate the flight time of the drone: 22.7\/10=2.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":97
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new green car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'black', 'red', 'red', 'black', 'golden'] \/nStep 2, there is no green car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":98
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":99
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":100
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 5805. B) 2805. C) 805. D) 1805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":101
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"",
+        "answer":1090000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volkswagen lavida', 'buick lacrosse', 'volvo s60', 'hyundai elantra', 'byd seal', 'buick lacrosse'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000} \nStep 3, sum the price of each vehicle: 1090000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":102
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"",
+        "answer":155714,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volkswagen lavida', 'buick lacrosse', 'volvo s60', 'hyundai elantra', 'byd seal', 'buick lacrosse'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000} \nStep 3, calculate the average price of all vehicles: 155714",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":103
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 5.0, 4.8, 4.6, 4.8, 5.0] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":104
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 5.0, 4.8, 4.6, 4.8, 5.0] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":105
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"A) 75000. B) 170000. C) 155714. D) 230000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volkswagen lavida', 'buick lacrosse', 'volvo s60', 'hyundai elantra', 'byd seal', 'buick lacrosse'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":106
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) orange. B) golden. C) black. D) yellow.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'black', 'red', 'red', 'black', 'golden'] \/nStep 2, count vehicles for each color: {'black': 3, 'white': 1, 'red': 2, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":107
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of sedan vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'sedan', 'mid-size'] \nStep 2, identify the color of sedan vehicles: ['black'] \nStep 3, count sedan vehicles for each color: {'black': 1} \nStep 4, sort to get the most common color of sedan vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":108
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 1 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 7-1=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":109
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'sedan', 'mid-size'] \/nStep 2, count all mid-size vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":110
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volkswagen lavida', 'buick lacrosse', 'volvo s60', 'hyundai elantra', 'byd seal', 'buick lacrosse'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000} \nStep 3, count vehicles priced above 100000 RMB: 5",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":111
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many white mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'black', 'red', 'red', 'black', 'golden'] \nStep 2, identify the type of white vehicles: ['compact'] \nStep 3, count white mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":112
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2433.4, 127.4], [2519.9, 339.8], [2550.8, 601.5], [2611.7, 867.7], [2724.7, 1175.8], [2797.4, 1499.5], [2936.8, 1889.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.6, -10.5, 29.1], [5.2, -7.8, 27.6], [5.1, -4.9, 25.9], [5.4, -2.3, 24.4], [6.0, 0.4, 22.9], [6.2, 2.9, 21.4], [6.7, 5.5, 19.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [31.3, 29.2, 26.9, 25.1, 23.6, 22.5, 21.7] \/nStep 5, find the maximum distance to the drone: 31.3 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":113
+    },
+    {
+        "image":"ea70ff76-DJI_0042.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2433.4, 127.4], [2519.9, 339.8], [2550.8, 601.5], [2611.7, 867.7], [2724.7, 1175.8], [2797.4, 1499.5], [2936.8, 1889.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.6, -10.5, 29.1], [5.2, -7.8, 27.6], [5.1, -4.9, 25.9], [5.4, -2.3, 24.4], [6.0, 0.4, 22.9], [6.2, 2.9, 21.4], [6.7, 5.5, 19.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [31.3, 29.2, 26.9, 25.1, 23.6, 22.5, 21.7] \/nStep 5, find the maximum distance to the drone: 31.3 \/nStep 6, calculate the flight time of the drone: 31.3\/12=2.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":114
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new red car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'gray', 'black', 'white'] \/nStep 2, there is an red car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":115
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":116
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":117
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":118
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000}",
+        "choices":"A) 90. B) 22. C) 15. D) 450000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai coupe', 'mazda 5', 'lexus es', 'chevrolet sail'] \nStep 2, query all vehicle prices: {'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000} \nStep 3, sum the price of each vehicle: 450000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":119
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000}",
+        "choices":"A) 340000. B) 25000. C) 112500. D) 42500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai coupe', 'mazda 5', 'lexus es', 'chevrolet sail'] \nStep 2, query all vehicle prices: {'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000} \nStep 3, calculate the average price of all vehicles: 112500",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":120
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000}",
+        "choices":"",
+        "answer":42500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai coupe', 'mazda 5', 'lexus es', 'chevrolet sail'] \nStep 2, query all vehicle prices: {'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000} \nStep 3, calculate the median price of all vehicles: 42500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":121
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.6, 5.0, 4.3] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":122
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.6, 5.0, 4.3] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":123
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['sports', 'mpv', 'mid-size', 'subcompact'] \nStep 2, identify the color of subcompact vehicles: ['white'] \nStep 3, count subcompact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of subcompact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":124
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-4=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":125
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many sports vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['sports', 'mpv', 'mid-size', 'subcompact'] \/nStep 2, count all sports vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":126
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai coupe', 'mazda 5', 'lexus es', 'chevrolet sail'] \nStep 2, query all vehicle prices: {'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000, 'chevrolet sail': 25000} \nStep 3, count vehicles priced above 100000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":127
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many white sports vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'gray', 'black', 'white'] \nStep 2, identify the type of white vehicles: ['subcompact'] \nStep 3, count white sports vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":128
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"subcompact",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1323.8, 1316.9], [3079.2, 1783.1], [3302.1, 1138.9], [3813.4, 756.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.4, 1.5, 22.2], [7.9, 4.8, 20.3], [10.8, 0.1, 23.0], [16.3, -3.3, 25.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.9, 22.3, 25.4, 30.1] \/nStep 5, find the maximum distance to the drone: 30.1 \/nStep 6, identify the type of this vehicle: subcompact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":129
+    },
+    {
+        "image":"42694b35-DJI_0044.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1323.8, 1316.9], [3079.2, 1783.1], [3302.1, 1138.9], [3813.4, 756.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.4, 1.5, 22.2], [7.9, 4.8, 20.3], [10.8, 0.1, 23.0], [16.3, -3.3, 25.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.9, 22.3, 25.4, 30.1] \/nStep 5, find the maximum distance to the drone: 30.1 \/nStep 6, calculate the flight time of the drone: 30.1\/16=1.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":130
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new blue car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['orange', 'brown', 'blue', 'silver'] \/nStep 2, there is an blue car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":131
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":132
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 70. B) 80. C) 90. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":133
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 805. B) 1305. C) 10805. D) 2805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":134
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"A) 950000. B) 31. C) 190. D) 47.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q3', 'tesla model y', 'mercedes-benz glc', 'toyota corolla'] \nStep 2, query all vehicle prices: {'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000} \nStep 3, sum the price of each vehicle: 950000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":135
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.8, 4.8, 4.6] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":136
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":260000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q3', 'tesla model y', 'mercedes-benz glc', 'toyota corolla'] \nStep 2, query all vehicle prices: {'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000} \nStep 3, calculate the median price of all vehicles: 260000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":137
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":335000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q3', 'tesla model y', 'mercedes-benz glc', 'toyota corolla'] \nStep 2, query all vehicle prices: {'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000} \nStep 3, calculate the maximum price of all vehicles: 335000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":138
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.7. B) 18.7. C) 4. D) 4.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.8, 4.8, 4.6] \nStep 5, find the minimum length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":139
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"brown",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'compact'] \nStep 2, identify the color of mid-size vehicles: ['brown'] \nStep 3, count mid-size vehicles for each color: {'brown': 1} \nStep 4, sort to get the most common color of mid-size vehicle: brown",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":140
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 0 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 4-0=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":141
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'compact'] \/nStep 2, count all suv vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":142
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q3', 'tesla model y', 'mercedes-benz glc', 'toyota corolla'] \nStep 2, query all vehicle prices: {'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000} \nStep 3, count vehicles priced below 500000 RMB: 4",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":143
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many brown suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['orange', 'brown', 'blue', 'silver'] \nStep 2, identify the type of brown vehicles: ['mid-size'] \nStep 3, count brown suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":144
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) cadillac. B) toyota. C) buick. D) nio.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3586.7, 688.8], [3507.7, 973.8], [3486.1, 1331.5], [3537.2, 1706.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.5, -4.0, 25.4], [13.0, -1.3, 23.8], [11.9, 1.6, 22.1], [11.4, 4.3, 20.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [29.5, 27.2, 25.2, 23.9] \/nStep 5, find the minimum distance to the drone: 23.9 \/nStep 6, identify the brand of this vehicle: toyota",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":145
+    },
+    {
+        "image":"efa34dff-DJI_0046.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3586.7, 688.8], [3507.7, 973.8], [3486.1, 1331.5], [3537.2, 1706.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.5, -4.0, 25.4], [13.0, -1.3, 23.8], [11.9, 1.6, 22.1], [11.4, 4.3, 20.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [29.5, 27.2, 25.2, 23.9] \/nStep 5, find the minimum distance to the drone: 23.9 \/nStep 6, calculate the flight time of the drone: 23.9\/18=1.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":146
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new black car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'golden', 'gray', 'brown'] \/nStep 2, there is no black car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":147
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 110. B) 60. C) 120. D) 20.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":148
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 60. B) 70. C) 30. D) 45.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":149
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":150
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"A) 825000. B) 41. C) 247. D) 165.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'mercedes-benz glc', 'skoda octavia', 'volkswagen santana', 'buick envision'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 825000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":151
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"A) 150000. B) 40000. C) 335000. D) 165000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'mercedes-benz glc', 'skoda octavia', 'volkswagen santana', 'buick envision'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000} \nStep 3, calculate the average price of all vehicles: 165000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":152
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.8, 4.5, 4.6] \nStep 5, find the median length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":153
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"A) 40000. B) 165000. C) 335000. D) 150000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'mercedes-benz glc', 'skoda octavia', 'volkswagen santana', 'buick envision'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000} \nStep 3, calculate the maximum price of all vehicles: 335000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":154
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'mercedes-benz glc', 'skoda octavia', 'volkswagen santana', 'buick envision'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":155
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 1 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 5 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 5-1=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":156
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'golden', 'gray', 'brown'] \/nStep 2, count all brown vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":157
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"A) 4. B) 6. C) 7. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'mercedes-benz glc', 'skoda octavia', 'volkswagen santana', 'buick envision'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'mercedes-benz glc': 335000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000} \nStep 3, count vehicles priced below 300000 RMB: 4",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":158
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'golden', 'gray', 'brown'] \nStep 2, identify the type of silver vehicles: ['compact'] \nStep 3, count silver suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":159
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3619.0, 391.9], [3637.4, 166.7], [3580.3, 920.0], [3429.6, 1526.8], [3339.8, 1856.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.9, -7.2, 27.3], [17.0, -10.0, 28.8], [13.7, -1.8, 24.1], [11.0, 3.1, 21.3], [9.7, 5.3, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [32.4, 34.9, 27.8, 24.2, 22.9] \/nStep 5, find the maximum distance to the drone: 34.9 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":160
+    },
+    {
+        "image":"19edc9d7-DJI_0047.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3619.0, 391.9], [3637.4, 166.7], [3580.3, 920.0], [3429.6, 1526.8], [3339.8, 1856.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.9, -7.2, 27.3], [17.0, -10.0, 28.8], [13.7, -1.8, 24.1], [11.0, 3.1, 21.3], [9.7, 5.3, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [32.4, 34.9, 27.8, 24.2, 22.9] \/nStep 5, find the maximum distance to the drone: 34.9 \/nStep 6, calculate the flight time of the drone: 34.9\/12=2.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":161
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Monica said she bought a new golden car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'red', 'black', 'black', 'red', 'gray', 'golden', 'black', 'white', 'blue', 'black', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'black', 'red', 'black', 'gray', 'white'] \/nStep 2, there is an golden car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":162
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 70. B) 20. C) 110. D) 80.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":163
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 60. B) 45. C) 30. D) 90.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":164
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 23197. B) 28197. C) 25197. D) 24197.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":165
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000}",
+        "choices":"A) 6015000. B) 1804. C) 200. D) 300.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volkswagen passat', 'hyundai elantra', 'byd seal', 'buick lacrosse', 'volvo s60', 'audi a4l', 'buick lacrosse', 'buick envision', 'tesla model 3', 'audi q3', 'mercedes-benz c-class', 'audi a8', 'tesla model 3', 'buick velite 6', 'toyota highlander', 'jeep grand commander', 'geely icon', 'bmw 3 series', 'toyota rav4', 'byd han', 'buick envision', 'mercedes-benz glk', 'buick gl8'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000} \nStep 3, sum the price of each vehicle: 6015000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":166
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":695000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'red', 'black', 'black', 'red', 'gray', 'golden', 'black', 'white', 'blue', 'black', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'black', 'red', 'black', 'gray', 'white'] \nStep 2, identify the model of gray vehicles: ['audi a4l', 'mercedes-benz glk'] \nStep 3, query vehicle prices: {'audi a4l': 230000, 'mercedes-benz glk': 465000} \nStep 4, sum the price of each gray vehicle: 695000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":167
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.9, 4.6, 4.8, 5.0, 4.8, 4.9, 5.0, 4.6, 4.7, 4.5, 4.9, 5.3, 4.7, 4.7, 5.0, 4.9, 4.3, 4.7, 4.6, 5.0, 4.6, 4.6, 5.2] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":168
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.9, 4.6, 4.8, 5.0, 4.8, 4.9, 5.0, 4.6, 4.7, 4.5, 4.9, 5.3, 4.7, 4.7, 5.0, 4.9, 4.3, 4.7, 4.6, 5.0, 4.6, 4.6, 5.2] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":169
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000}",
+        "choices":"A) 1250000. B) 75000. C) 212500. D) 695000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volkswagen passat', 'hyundai elantra', 'byd seal', 'buick lacrosse', 'volvo s60', 'audi a4l', 'buick lacrosse', 'buick envision', 'tesla model 3', 'audi q3', 'mercedes-benz c-class', 'audi a8', 'tesla model 3', 'buick velite 6', 'toyota highlander', 'jeep grand commander', 'geely icon', 'bmw 3 series', 'toyota rav4', 'byd han', 'buick envision', 'mercedes-benz glk', 'buick gl8'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000} \nStep 3, calculate the maximum price of all vehicles: 1250000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":170
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000}",
+        "choices":"A) 212500. B) 1250000. C) 75000. D) 695000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volkswagen passat', 'hyundai elantra', 'byd seal', 'buick lacrosse', 'volvo s60', 'audi a4l', 'buick lacrosse', 'buick envision', 'tesla model 3', 'audi q3', 'mercedes-benz c-class', 'audi a8', 'tesla model 3', 'buick velite 6', 'toyota highlander', 'jeep grand commander', 'geely icon', 'bmw 3 series', 'toyota rav4', 'byd han', 'buick envision', 'mercedes-benz glk', 'buick gl8'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":171
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) yellow. B) golden. C) black. D) silver.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'red', 'black', 'black', 'red', 'gray', 'golden', 'black', 'white', 'blue', 'black', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'black', 'red', 'black', 'gray', 'white'] \/nStep 2, count vehicles for each color: {'white': 5, 'black': 10, 'red': 3, 'gray': 2, 'golden': 1, 'blue': 3}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":172
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of crossover vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'mid-size', 'compact', 'sedan', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'crossover', 'mid-size', 'suv', 'suv', 'mpv'] \nStep 2, identify the color of crossover vehicles: ['black'] \nStep 3, count crossover vehicles for each color: {'black': 1} \nStep 4, sort to get the most common color of crossover vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":173
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 14 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 10. B) 7. C) 6. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 24 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 24-14=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":174
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'mid-size', 'compact', 'sedan', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'crossover', 'mid-size', 'suv', 'suv', 'mpv'] \/nStep 2, count all mid-size vehicles: 10",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":175
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volkswagen passat', 'hyundai elantra', 'byd seal', 'buick lacrosse', 'volvo s60', 'audi a4l', 'buick lacrosse', 'buick envision', 'tesla model 3', 'audi q3', 'mercedes-benz c-class', 'audi a8', 'tesla model 3', 'buick velite 6', 'toyota highlander', 'jeep grand commander', 'geely icon', 'bmw 3 series', 'toyota rav4', 'byd han', 'buick envision', 'mercedes-benz glk', 'buick gl8'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000, 'buick gl8': 330000} \nStep 3, count vehicles priced above 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":176
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many white mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'red', 'black', 'black', 'red', 'gray', 'golden', 'black', 'white', 'blue', 'black', 'black', 'blue', 'white', 'white', 'black', 'blue', 'black', 'black', 'red', 'black', 'gray', 'white'] \nStep 2, identify the type of white vehicles: ['compact', 'mid-size', 'compact', 'suv', 'mpv'] \nStep 3, count white mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":177
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) full-size. B) sedan. C) subcompact. D) mpv.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1947.7, 1945.8], [1857.0, 1976.2], [2249.5, 1900.6], [2343.4, 1886.2], [2062.6, 1940.3], [2153.5, 1923.7], [3231.3, 1705.9], [2437.6, 1867.1], [3292.7, 1659.4], [3138.4, 1713.4], [3459.0, 1628.5], [2811.0, 1816.3], [1645.0, 2022.4], [3837.6, 1506.5], [3690.5, 1566.1], [2978.0, 1751.9], [2722.3, 1819.1], [3370.2, 1634.7], [3538.3, 1612.9], [2892.7, 1778.4], [2612.8, 1817.8], [3759.5, 1531.8], [3603.3, 1574.6], [3963.7, 1440.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.4, 22.6, 76.4], [-3.9, 23.2, 75.8], [7.0, 21.6, 77.4], [9.6, 21.3, 77.7], [1.7, 22.5, 76.5], [4.3, 22.1, 76.9], [36.3, 17.1, 81.9], [12.3, 20.9, 78.1], [38.7, 16.0, 83.0], [33.5, 17.3, 81.7], [44.1, 15.2, 83.8], [23.2, 19.7, 79.2], [-9.6, 24.2, 74.8], [57.6, 12.0, 87.0], [52.0, 13.6, 85.4], [28.5, 18.2, 80.7], [20.6, 19.8, 79.2], [41.3, 15.4, 83.6], [46.7, 14.8, 84.2], [25.8, 18.9, 80.1], [17.5, 19.8, 79.2], [54.8, 12.7, 86.3], [49.2, 13.8, 85.2], [62.9, 10.1, 88.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [79.7, 79.3, 80.6, 81.1, 79.8, 80.1, 91.2, 81.8, 93.0, 90.0, 95.9, 84.9, 79.2, 105.1, 100.9, 87.5, 84.2, 94.5, 97.4, 86.3, 83.5, 103.0, 99.4, 109.4] \/nStep 5, find the maximum distance to the drone: 109.4 \/nStep 6, identify the type of this vehicle: mpv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":178
+    },
+    {
+        "image":"db6767fa-DJI_0055.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 18. B) 17.5. C) 18.5. D) 6.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1947.7, 1945.8], [1857.0, 1976.2], [2249.5, 1900.6], [2343.4, 1886.2], [2062.6, 1940.3], [2153.5, 1923.7], [3231.3, 1705.9], [2437.6, 1867.1], [3292.7, 1659.4], [3138.4, 1713.4], [3459.0, 1628.5], [2811.0, 1816.3], [1645.0, 2022.4], [3837.6, 1506.5], [3690.5, 1566.1], [2978.0, 1751.9], [2722.3, 1819.1], [3370.2, 1634.7], [3538.3, 1612.9], [2892.7, 1778.4], [2612.8, 1817.8], [3759.5, 1531.8], [3603.3, 1574.6], [3963.7, 1440.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.4, 22.6, 76.4], [-3.9, 23.2, 75.8], [7.0, 21.6, 77.4], [9.6, 21.3, 77.7], [1.7, 22.5, 76.5], [4.3, 22.1, 76.9], [36.3, 17.1, 81.9], [12.3, 20.9, 78.1], [38.7, 16.0, 83.0], [33.5, 17.3, 81.7], [44.1, 15.2, 83.8], [23.2, 19.7, 79.2], [-9.6, 24.2, 74.8], [57.6, 12.0, 87.0], [52.0, 13.6, 85.4], [28.5, 18.2, 80.7], [20.6, 19.8, 79.2], [41.3, 15.4, 83.6], [46.7, 14.8, 84.2], [25.8, 18.9, 80.1], [17.5, 19.8, 79.2], [54.8, 12.7, 86.3], [49.2, 13.8, 85.2], [62.9, 10.1, 88.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [79.7, 79.3, 80.6, 81.1, 79.8, 80.1, 91.2, 81.8, 93.0, 90.0, 95.9, 84.9, 79.2, 105.1, 100.9, 87.5, 84.2, 94.5, 97.4, 86.3, 83.5, 103.0, 99.4, 109.4] \/nStep 5, find the maximum distance to the drone: 109.4 \/nStep 6, calculate the flight time of the drone: 109.4\/18=6.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":179
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Monica said she bought a new green car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'pink', 'brown', 'black', 'blue'] \/nStep 2, there is no green car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":180
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":181
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 30. B) 60. C) 45. D) 70.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":182
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 23697. B) 28197. C) 23197. D) 25197.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":183
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000}",
+        "choices":"A) 64. B) 387. C) 1290000. D) 258.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'byd dolphin', 'renault kadjar', 'honda accord', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000} \nStep 3, sum the price of each vehicle: 1290000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":184
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.7. B) 4.1. C) 4. D) 5.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 4.1, 4.5, 5.0, 5.2] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":185
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.2, 5.0, 4.1, 4.5, 5.0, 5.2] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":186
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":425000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'byd dolphin', 'renault kadjar', 'honda accord', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000} \nStep 3, calculate the maximum price of all vehicles: 425000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":187
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":45000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'byd dolphin', 'renault kadjar', 'honda accord', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000} \nStep 3, calculate the minimum price of all vehicles: 45000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":188
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'pink', 'brown', 'black', 'blue'] \/nStep 2, count vehicles for each color: {'white': 1, 'blue': 2, 'gray': 1, 'pink': 1, 'brown': 1, 'black': 1}. \/nStep 3, sort to get the most common color: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":189
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'subcompact', 'suv', 'subcompact', 'suv', 'mid-size', 'full-size'] \nStep 2, identify the color of full-size vehicles: ['blue'] \nStep 3, count full-size vehicles for each color: {'blue': 1} \nStep 4, sort to get the most common color of full-size vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":190
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 1 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 7-1=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":191
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many pink vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 0. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'pink', 'brown', 'black', 'blue'] \/nStep 2, count all pink vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":192
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000}",
+        "choices":"A) 3. B) 2. C) 1. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen cc', 'ora good cat', 'toyota highlander', 'byd dolphin', 'renault kadjar', 'honda accord', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000, 'bmw 5 series': 425000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":193
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many blue mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) -1. C) 0. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'gray', 'pink', 'brown', 'black', 'blue'] \nStep 2, identify the type of blue vehicles: ['subcompact', 'full-size'] \nStep 3, count blue mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":194
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"honda",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1335.9, 1795.6], [1408.2, 1717.1], [1007.6, 2036.6], [1915.3, 1229.6], [1820.4, 1328.1], [2122.7, 1009.9], [843.0, 2194.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.1, 19.3, 79.7], [-17.4, 17.4, 81.6], [-26.7, 24.5, 74.5], [-2.9, 3.6, 95.4], [-6.0, 6.8, 92.2], [4.6, -4.3, 103.3], [-29.8, 27.5, 71.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [84.2, 85.2, 82.8, 95.5, 92.7, 103.5, 82.2] \/nStep 5, find the maximum distance to the drone: 103.5 \/nStep 6, identify the brand of this vehicle: honda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":195
+    },
+    {
+        "image":"861fc6bd-DJI_0059.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":6.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1335.9, 1795.6], [1408.2, 1717.1], [1007.6, 2036.6], [1915.3, 1229.6], [1820.4, 1328.1], [2122.7, 1009.9], [843.0, 2194.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.1, 19.3, 79.7], [-17.4, 17.4, 81.6], [-26.7, 24.5, 74.5], [-2.9, 3.6, 95.4], [-6.0, 6.8, 92.2], [4.6, -4.3, 103.3], [-29.8, 27.5, 71.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [84.2, 85.2, 82.8, 95.5, 92.7, 103.5, 82.2] \/nStep 5, find the maximum distance to the drone: 103.5 \/nStep 6, calculate the flight time of the drone: 103.5\/16=6.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":196
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Monica said she bought a new yellow car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'golden', 'blue', 'white', 'white', 'blue', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'black', 'black', 'white', 'black', 'blue', 'brown', 'black', 'white', 'black', 'blue', 'blue', 'black', 'brown', 'brown', 'silver', 'orange', 'blue', 'gray', 'golden', 'white', 'white', 'black', 'gray', 'white', 'brown', 'gray', 'white', 'blue', 'brown', 'pink', 'black', 'gray', 'white'] \/nStep 2, there is no yellow car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":197
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":198
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"A) 60. B) 45. C) 70. D) 30.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":199
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 62284. B) 59284. C) 57284. D) 57784.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":200
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":10170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen jetta', 'volvo s60', 'tesla model 3', 'chevrolet cruze', 'buick excelle', 'bmw 3 series', 'volkswagen golf', 'bmw x1', 'buick envision', 'buick gl8', 'roewe erx5', 'mercedes-benz glc', 'buick velite 6', 'volkswagen tiguan', 'bmw 3 series', 'mercedes-benz glk', 'mercedes-benz glc', 'toyota avalon', 'audi a4l', 'bmw 3 series', 'audi q3', 'buick envision', 'toyota camry', 'volvo xc60', 'mercedes-benz gle', 'geely icon', 'mercedes-benz glc', 'buick envision', 'tesla model y', 'volvo s60', 'toyota corolla', 'audi q3', 'bmw 5 series', 'volkswagen santana', 'skoda octavia', 'honda cr-v', 'chevrolet sail', 'lexus es', 'mazda 5', 'honda odyssey', 'buick excelle', 'toyota highlander', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord', 'audi a4l', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, sum the price of each vehicle: 10170000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":201
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 425000. B) 100000. C) 1765000. D) 252142.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'golden', 'blue', 'white', 'white', 'blue', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'black', 'black', 'white', 'black', 'blue', 'brown', 'black', 'white', 'black', 'blue', 'blue', 'black', 'brown', 'brown', 'silver', 'orange', 'blue', 'gray', 'golden', 'white', 'white', 'black', 'gray', 'white', 'brown', 'gray', 'white', 'blue', 'brown', 'pink', 'black', 'gray', 'white'] \nStep 2, identify the model of blue vehicles: ['tesla model 3', 'bmw 3 series', 'audi q3', 'geely icon', 'mercedes-benz glc', 'bmw 5 series', 'ora good cat'] \nStep 3, query vehicle prices: {'tesla model 3': 285000, 'bmw 3 series': 285000, 'audi q3': 215000, 'geely icon': 100000, 'mercedes-benz glc': 335000, 'bmw 5 series': 425000, 'ora good cat': 120000} \nStep 4, sum the price of each blue vehicle: 1765000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":202
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":207551,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen jetta', 'volvo s60', 'tesla model 3', 'chevrolet cruze', 'buick excelle', 'bmw 3 series', 'volkswagen golf', 'bmw x1', 'buick envision', 'buick gl8', 'roewe erx5', 'mercedes-benz glc', 'buick velite 6', 'volkswagen tiguan', 'bmw 3 series', 'mercedes-benz glk', 'mercedes-benz glc', 'toyota avalon', 'audi a4l', 'bmw 3 series', 'audi q3', 'buick envision', 'toyota camry', 'volvo xc60', 'mercedes-benz gle', 'geely icon', 'mercedes-benz glc', 'buick envision', 'tesla model y', 'volvo s60', 'toyota corolla', 'audi q3', 'bmw 5 series', 'volkswagen santana', 'skoda octavia', 'honda cr-v', 'chevrolet sail', 'lexus es', 'mazda 5', 'honda odyssey', 'buick excelle', 'toyota highlander', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord', 'audi a4l', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, calculate the average price of all vehicles: 207551",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":203
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen jetta', 'volvo s60', 'tesla model 3', 'chevrolet cruze', 'buick excelle', 'bmw 3 series', 'volkswagen golf', 'bmw x1', 'buick envision', 'buick gl8', 'roewe erx5', 'mercedes-benz glc', 'buick velite 6', 'volkswagen tiguan', 'bmw 3 series', 'mercedes-benz glk', 'mercedes-benz glc', 'toyota avalon', 'audi a4l', 'bmw 3 series', 'audi q3', 'buick envision', 'toyota camry', 'volvo xc60', 'mercedes-benz gle', 'geely icon', 'mercedes-benz glc', 'buick envision', 'tesla model y', 'volvo s60', 'toyota corolla', 'audi q3', 'bmw 5 series', 'volkswagen santana', 'skoda octavia', 'honda cr-v', 'chevrolet sail', 'lexus es', 'mazda 5', 'honda odyssey', 'buick excelle', 'toyota highlander', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord', 'audi a4l', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, calculate the median price of all vehicles: 205000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":204
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 25000. B) 205000. C) 630000. D) 1765000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen jetta', 'volvo s60', 'tesla model 3', 'chevrolet cruze', 'buick excelle', 'bmw 3 series', 'volkswagen golf', 'bmw x1', 'buick envision', 'buick gl8', 'roewe erx5', 'mercedes-benz glc', 'buick velite 6', 'volkswagen tiguan', 'bmw 3 series', 'mercedes-benz glk', 'mercedes-benz glc', 'toyota avalon', 'audi a4l', 'bmw 3 series', 'audi q3', 'buick envision', 'toyota camry', 'volvo xc60', 'mercedes-benz gle', 'geely icon', 'mercedes-benz glc', 'buick envision', 'tesla model y', 'volvo s60', 'toyota corolla', 'audi q3', 'bmw 5 series', 'volkswagen santana', 'skoda octavia', 'honda cr-v', 'chevrolet sail', 'lexus es', 'mazda 5', 'honda odyssey', 'buick excelle', 'toyota highlander', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord', 'audi a4l', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, calculate the maximum price of all vehicles: 630000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":205
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 230.3. B) 4. C) 5.2. D) 4.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.7, 4.7, 4.6, 4.7, 4.3, 4.6, 4.6, 5.2, 4.7, 4.8, 4.7, 4.5, 4.7, 4.6, 4.8, 5.0, 4.9, 4.7, 4.5, 4.6, 4.9, 4.7, 4.9, 4.3, 4.8, 4.6, 4.8, 4.8, 4.6, 4.5, 5.2, 4.5, 4.8, 4.7, 4.3, 5.0, 4.6, 4.9, 4.6, 5.0, 4.9, 4.2, 4.5, 4.1, 5.0, 4.9, 4.7] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":206
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) green. C) silver. D) blue.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'golden', 'blue', 'white', 'white', 'blue', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'black', 'black', 'white', 'black', 'blue', 'brown', 'black', 'white', 'black', 'blue', 'blue', 'black', 'brown', 'brown', 'silver', 'orange', 'blue', 'gray', 'golden', 'white', 'white', 'black', 'gray', 'white', 'brown', 'gray', 'white', 'blue', 'brown', 'pink', 'black', 'gray', 'white'] \/nStep 2, count vehicles for each color: {'white': 16, 'golden': 2, 'blue': 7, 'black': 11, 'gray': 5, 'brown': 5, 'silver': 1, 'orange': 1, 'pink': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":207
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 55 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 6. B) 9. C) 5. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 49 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 55-49=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":208
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many orange vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'golden', 'blue', 'white', 'white', 'blue', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'black', 'black', 'white', 'black', 'blue', 'brown', 'black', 'white', 'black', 'blue', 'blue', 'black', 'brown', 'brown', 'silver', 'orange', 'blue', 'gray', 'golden', 'white', 'white', 'black', 'gray', 'white', 'brown', 'gray', 'white', 'blue', 'brown', 'pink', 'black', 'gray', 'white'] \/nStep 2, count all orange vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":209
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen jetta', 'volvo s60', 'tesla model 3', 'chevrolet cruze', 'buick excelle', 'bmw 3 series', 'volkswagen golf', 'bmw x1', 'buick envision', 'buick gl8', 'roewe erx5', 'mercedes-benz glc', 'buick velite 6', 'volkswagen tiguan', 'bmw 3 series', 'mercedes-benz glk', 'mercedes-benz glc', 'toyota avalon', 'audi a4l', 'bmw 3 series', 'audi q3', 'buick envision', 'toyota camry', 'volvo xc60', 'mercedes-benz gle', 'geely icon', 'mercedes-benz glc', 'buick envision', 'tesla model y', 'volvo s60', 'toyota corolla', 'audi q3', 'bmw 5 series', 'volkswagen santana', 'skoda octavia', 'honda cr-v', 'chevrolet sail', 'lexus es', 'mazda 5', 'honda odyssey', 'buick excelle', 'toyota highlander', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord', 'audi a4l', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, count vehicles priced above 500000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":210
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many blue suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'golden', 'blue', 'white', 'white', 'blue', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'black', 'black', 'white', 'black', 'blue', 'brown', 'black', 'white', 'black', 'blue', 'blue', 'black', 'brown', 'brown', 'silver', 'orange', 'blue', 'gray', 'golden', 'white', 'white', 'black', 'gray', 'white', 'brown', 'gray', 'white', 'blue', 'brown', 'pink', 'black', 'gray', 'white'] \nStep 2, identify the type of blue vehicles: ['mid-size', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'subcompact'] \nStep 3, count blue suv vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":211
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"accord",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1257.7, 1897.1], [1001.0, 1990.7], [758.8, 2073.8], [1131.5, 1949.0], [1485.0, 1801.5], [1894.5, 1602.8], [1430.8, 1828.7], [1070.2, 1959.2], [688.5, 2093.2], [890.1, 2032.6], [1545.9, 1791.0], [1645.3, 1720.5], [617.3, 2120.3], [1318.5, 1871.9], [1197.9, 1926.0], [547.0, 2130.9], [1371.8, 1849.0], [1703.5, 1705.0], [1947.9, 1581.8], [476.6, 2161.6], [407.2, 2174.9], [3870.8, 2023.7], [1587.6, 1750.2], [2031.7, 1523.7], [1804.5, 1658.7], [338.7, 2182.3], [3455.1, 1921.1], [271.5, 2195.3], [3376.4, 1900.0], [2518.0, 1202.2], [3519.2, 1924.0], [3299.9, 1878.6], [2620.9, 1135.5], [3800.9, 1999.1], [3661.6, 1958.0], [2730.1, 1461.3], [2696.7, 1594.8], [2790.7, 1680.3], [2912.6, 1723.7], [2429.3, 1280.4], [2461.9, 1255.2], [2662.3, 1074.8], [2774.2, 987.0], [2799.4, 953.9], [2940.8, 796.5], [2974.8, 751.6], [3050.9, 645.3], [199.5, 2233.5], [126.5, 2240.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-32.6, 33.9, 121.7], [-42.7, 37.0, 118.6], [-51.9, 39.6, 115.9], [-37.5, 35.6, 119.9], [-23.2, 30.5, 125.1], [-5.0, 22.9, 132.7], [-25.5, 31.5, 124.1], [-40.1, 36.0, 119.6], [-54.5, 40.2, 115.3], [-46.9, 38.3, 117.2], [-20.5, 30.1, 125.5], [-16.4, 27.5, 128.1], [-57.1, 41.1, 114.5], [-30.1, 33.0, 122.6], [-34.9, 34.8, 120.7], [-59.8, 41.4, 114.2], [-27.9, 32.2, 123.4], [-13.7, 26.9, 128.7], [-2.5, 22.0, 133.6], [-62.2, 42.3, 113.3], [-64.8, 42.7, 112.9], [79.2, 38.1, 117.5], [-18.9, 28.6, 127.0], [1.6, 19.5, 136.0], [-9.2, 25.1, 130.5], [-67.4, 42.9, 112.6], [63.4, 34.7, 120.9], [-69.9, 43.3, 112.3], [60.3, 34.0, 121.6], [28.3, 4.2, 151.4], [66.1, 34.8, 120.8], [57.3, 33.2, 122.3], [34.7, 0.6, 155.0], [76.8, 37.3, 118.3], [71.7, 35.9, 119.6], [36.5, 16.8, 138.7], [33.4, 22.5, 133.0], [36.9, 25.9, 129.6], [42.1, 27.6, 128.0], [22.8, 8.3, 147.3], [24.7, 7.0, 148.6], [37.8, -2.9, 158.4], [45.7, -8.1, 163.7], [47.8, -10.2, 165.8], [59.8, -20.9, 176.5], [63.2, -24.2, 179.8], [71.2, -32.5, 188.1], [-72.1, 44.4, 111.2], [-74.9, 44.6, 111.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [130.5, 131.3, 133.0, 130.6, 130.8, 134.8, 130.5, 131.2, 133.8, 131.9, 130.6, 132.0, 134.4, 130.5, 130.4, 135.4, 130.5, 132.2, 135.4, 136.0, 137.0, 146.7, 131.5, 137.4, 133.2, 138.1, 140.8, 139.2, 139.9, 154.0, 142.0, 139.1, 158.8, 145.9, 144.0, 144.5, 139.0, 137.3, 137.5, 149.3, 150.8, 162.9, 170.2, 172.8, 187.5, 192.1, 203.7, 139.8, 141.1] \/nStep 5, find the maximum distance to the drone: 203.7 \/nStep 6, identify the model of this vehicle: accord",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":212
+    },
+    {
+        "image":"44c53c13-DJI_0061.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":17.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1257.7, 1897.1], [1001.0, 1990.7], [758.8, 2073.8], [1131.5, 1949.0], [1485.0, 1801.5], [1894.5, 1602.8], [1430.8, 1828.7], [1070.2, 1959.2], [688.5, 2093.2], [890.1, 2032.6], [1545.9, 1791.0], [1645.3, 1720.5], [617.3, 2120.3], [1318.5, 1871.9], [1197.9, 1926.0], [547.0, 2130.9], [1371.8, 1849.0], [1703.5, 1705.0], [1947.9, 1581.8], [476.6, 2161.6], [407.2, 2174.9], [3870.8, 2023.7], [1587.6, 1750.2], [2031.7, 1523.7], [1804.5, 1658.7], [338.7, 2182.3], [3455.1, 1921.1], [271.5, 2195.3], [3376.4, 1900.0], [2518.0, 1202.2], [3519.2, 1924.0], [3299.9, 1878.6], [2620.9, 1135.5], [3800.9, 1999.1], [3661.6, 1958.0], [2730.1, 1461.3], [2696.7, 1594.8], [2790.7, 1680.3], [2912.6, 1723.7], [2429.3, 1280.4], [2461.9, 1255.2], [2662.3, 1074.8], [2774.2, 987.0], [2799.4, 953.9], [2940.8, 796.5], [2974.8, 751.6], [3050.9, 645.3], [199.5, 2233.5], [126.5, 2240.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-32.6, 33.9, 121.7], [-42.7, 37.0, 118.6], [-51.9, 39.6, 115.9], [-37.5, 35.6, 119.9], [-23.2, 30.5, 125.1], [-5.0, 22.9, 132.7], [-25.5, 31.5, 124.1], [-40.1, 36.0, 119.6], [-54.5, 40.2, 115.3], [-46.9, 38.3, 117.2], [-20.5, 30.1, 125.5], [-16.4, 27.5, 128.1], [-57.1, 41.1, 114.5], [-30.1, 33.0, 122.6], [-34.9, 34.8, 120.7], [-59.8, 41.4, 114.2], [-27.9, 32.2, 123.4], [-13.7, 26.9, 128.7], [-2.5, 22.0, 133.6], [-62.2, 42.3, 113.3], [-64.8, 42.7, 112.9], [79.2, 38.1, 117.5], [-18.9, 28.6, 127.0], [1.6, 19.5, 136.0], [-9.2, 25.1, 130.5], [-67.4, 42.9, 112.6], [63.4, 34.7, 120.9], [-69.9, 43.3, 112.3], [60.3, 34.0, 121.6], [28.3, 4.2, 151.4], [66.1, 34.8, 120.8], [57.3, 33.2, 122.3], [34.7, 0.6, 155.0], [76.8, 37.3, 118.3], [71.7, 35.9, 119.6], [36.5, 16.8, 138.7], [33.4, 22.5, 133.0], [36.9, 25.9, 129.6], [42.1, 27.6, 128.0], [22.8, 8.3, 147.3], [24.7, 7.0, 148.6], [37.8, -2.9, 158.4], [45.7, -8.1, 163.7], [47.8, -10.2, 165.8], [59.8, -20.9, 176.5], [63.2, -24.2, 179.8], [71.2, -32.5, 188.1], [-72.1, 44.4, 111.2], [-74.9, 44.6, 111.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [130.5, 131.3, 133.0, 130.6, 130.8, 134.8, 130.5, 131.2, 133.8, 131.9, 130.6, 132.0, 134.4, 130.5, 130.4, 135.4, 130.5, 132.2, 135.4, 136.0, 137.0, 146.7, 131.5, 137.4, 133.2, 138.1, 140.8, 139.2, 139.9, 154.0, 142.0, 139.1, 158.8, 145.9, 144.0, 144.5, 139.0, 137.3, 137.5, 149.3, 150.8, 162.9, 170.2, 172.8, 187.5, 192.1, 203.7, 139.8, 141.1] \/nStep 5, find the maximum distance to the drone: 203.7 \/nStep 6, calculate the flight time of the drone: 203.7\/12=17.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":213
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new purple car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'golden', 'white', 'black', 'black', 'blue', 'red', 'red', 'golden', 'black', 'white', 'black', 'black', 'blue', 'white', 'gray', 'black', 'blue', 'black', 'black', 'black', 'black', 'silver', 'gray', 'white', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'blue', 'black', 'red', 'gray', 'black', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'brown', 'brown', 'blue', 'white', 'blue', 'brown', 'pink', 'black'] \/nStep 2, there is no purple car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":214
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 110. B) 70. C) 80. D) 20.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":215
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":216
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 59284. B) 57284. C) 57784. D) 58284.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":217
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 399. B) 3594. C) 11980000. D) 599.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model 3', 'buick lacrosse', 'toyota highlander', 'byd seal', 'bmw 3 series', 'audi q3', 'hyundai elantra', 'volvo s60', 'volvo s60', 'mercedes-benz c-class', 'volkswagen lavida', 'buick envision', 'buick lacrosse', 'tesla model 3', 'buick velite 6', 'mercedes-benz glk', 'toyota rav4', 'geely icon', 'audi a8', 'buick envision', 'volkswagen passat', 'bmw 3 series', 'toyota corolla', 'byd song plus', 'bmw x1', 'buick gl8', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'mercedes-benz gle', 'toyota avalon', 'honda cr-v', 'chevrolet cruze', 'bmw 3 series', 'jeep grand commander', 'byd han', 'toyota highlander', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'audi a4l', 'volvo xc60', 'honda odyssey', 'buick excelle', 'volvo s60', 'bmw 5 series', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, sum the price of each vehicle: 11980000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":218
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 35000. B) 186176. C) 335000. D) 3165000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'golden', 'white', 'black', 'black', 'blue', 'red', 'red', 'golden', 'black', 'white', 'black', 'black', 'blue', 'white', 'gray', 'black', 'blue', 'black', 'black', 'black', 'black', 'silver', 'gray', 'white', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'blue', 'black', 'red', 'gray', 'black', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'brown', 'brown', 'blue', 'white', 'blue', 'brown', 'pink', 'black'] \nStep 2, identify the model of white vehicles: ['tesla model 3', 'toyota highlander', 'volkswagen lavida', 'buick velite 6', 'bmw x1', 'buick gl8', 'volkswagen jetta', 'mercedes-benz glc', 'honda cr-v', 'chevrolet cruze', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'audi a4l', 'volvo xc60', 'honda odyssey', 'volkswagen cc'] \nStep 3, query vehicle prices: {'tesla model 3': 285000, 'toyota highlander': 250000, 'volkswagen lavida': 75000, 'buick velite 6': 100000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'mercedes-benz glc': 335000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'audi a4l': 230000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'volkswagen cc': 205000} \nStep 4, sum the price of each white vehicle: 3165000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":219
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 205000. B) 35000. C) 1250000. D) 221851.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model 3', 'buick lacrosse', 'toyota highlander', 'byd seal', 'bmw 3 series', 'audi q3', 'hyundai elantra', 'volvo s60', 'volvo s60', 'mercedes-benz c-class', 'volkswagen lavida', 'buick envision', 'buick lacrosse', 'tesla model 3', 'buick velite 6', 'mercedes-benz glk', 'toyota rav4', 'geely icon', 'audi a8', 'buick envision', 'volkswagen passat', 'bmw 3 series', 'toyota corolla', 'byd song plus', 'bmw x1', 'buick gl8', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'mercedes-benz gle', 'toyota avalon', 'honda cr-v', 'chevrolet cruze', 'bmw 3 series', 'jeep grand commander', 'byd han', 'toyota highlander', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'audi a4l', 'volvo xc60', 'honda odyssey', 'buick excelle', 'volvo s60', 'bmw 5 series', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, calculate the average price of all vehicles: 221851",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":220
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model 3', 'buick lacrosse', 'toyota highlander', 'byd seal', 'bmw 3 series', 'audi q3', 'hyundai elantra', 'volvo s60', 'volvo s60', 'mercedes-benz c-class', 'volkswagen lavida', 'buick envision', 'buick lacrosse', 'tesla model 3', 'buick velite 6', 'mercedes-benz glk', 'toyota rav4', 'geely icon', 'audi a8', 'buick envision', 'volkswagen passat', 'bmw 3 series', 'toyota corolla', 'byd song plus', 'bmw x1', 'buick gl8', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'mercedes-benz gle', 'toyota avalon', 'honda cr-v', 'chevrolet cruze', 'bmw 3 series', 'jeep grand commander', 'byd han', 'toyota highlander', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'audi a4l', 'volvo xc60', 'honda odyssey', 'buick excelle', 'volvo s60', 'bmw 5 series', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, calculate the median price of all vehicles: 205000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":221
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5.3. B) 4. C) 4.8. D) 256.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 5.0, 5.0, 4.8, 4.7, 4.5, 4.6, 4.8, 4.8, 4.9, 4.7, 4.6, 5.0, 4.7, 4.7, 4.6, 4.6, 4.3, 5.3, 4.6, 4.9, 4.7, 4.6, 4.8, 4.6, 5.2, 4.8, 4.5, 4.8, 4.9, 5.0, 4.7, 4.7, 4.7, 4.9, 5.0, 5.0, 4.8, 4.3, 4.6, 4.7, 4.9, 4.9, 4.7, 4.9, 4.6, 4.8, 5.2, 4.9, 4.2, 4.5, 4.1, 5.0] \nStep 5, find the maximum length of all vehicles: 5.3",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":222
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 5.0, 5.0, 4.8, 4.7, 4.5, 4.6, 4.8, 4.8, 4.9, 4.7, 4.6, 5.0, 4.7, 4.7, 4.6, 4.6, 4.3, 5.3, 4.6, 4.9, 4.7, 4.6, 4.8, 4.6, 5.2, 4.8, 4.5, 4.8, 4.9, 5.0, 4.7, 4.7, 4.7, 4.9, 5.0, 5.0, 4.8, 4.3, 4.6, 4.7, 4.9, 4.9, 4.7, 4.9, 4.6, 4.8, 5.2, 4.9, 4.2, 4.5, 4.1, 5.0] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":223
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'mid-size', 'suv', 'sedan', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'crossover', 'suv', 'full-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'crossover', 'compact', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'mpv', 'compact', 'mid-size', 'full-size', 'mid-size', 'subcompact', 'suv', 'subcompact', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['white', 'blue', 'black', 'gray', 'blue', 'black', 'gray', 'white', 'black', 'white', 'black', 'black', 'gray', 'black', 'white', 'white', 'brown'] \nStep 3, count suv vehicles for each color: {'white': 5, 'blue': 2, 'black': 6, 'gray': 3, 'brown': 1} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":224
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 60 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 2. B) 5. C) 1. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 54 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 60-54=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":225
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 11. B) 10. C) 9. D) 8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'mid-size', 'suv', 'sedan', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'crossover', 'suv', 'full-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'crossover', 'compact', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'mpv', 'compact', 'mid-size', 'full-size', 'mid-size', 'subcompact', 'suv', 'subcompact', 'mid-size'] \/nStep 2, count all compact vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":226
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":47,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model 3', 'buick lacrosse', 'toyota highlander', 'byd seal', 'bmw 3 series', 'audi q3', 'hyundai elantra', 'volvo s60', 'volvo s60', 'mercedes-benz c-class', 'volkswagen lavida', 'buick envision', 'buick lacrosse', 'tesla model 3', 'buick velite 6', 'mercedes-benz glk', 'toyota rav4', 'geely icon', 'audi a8', 'buick envision', 'volkswagen passat', 'bmw 3 series', 'toyota corolla', 'byd song plus', 'bmw x1', 'buick gl8', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'mercedes-benz gle', 'toyota avalon', 'honda cr-v', 'chevrolet cruze', 'bmw 3 series', 'jeep grand commander', 'byd han', 'toyota highlander', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'audi a4l', 'volvo xc60', 'honda odyssey', 'buick excelle', 'volvo s60', 'bmw 5 series', 'volkswagen cc', 'ora good cat', 'renault kadjar', 'byd dolphin', 'honda accord'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000} \nStep 3, count vehicles priced below 300000 RMB: 47",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":227
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many red sedan vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'golden', 'white', 'black', 'black', 'blue', 'red', 'red', 'golden', 'black', 'white', 'black', 'black', 'blue', 'white', 'gray', 'black', 'blue', 'black', 'black', 'black', 'black', 'silver', 'gray', 'white', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'blue', 'black', 'red', 'gray', 'black', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'brown', 'brown', 'blue', 'white', 'blue', 'brown', 'pink', 'black'] \nStep 2, identify the type of red vehicles: ['compact', 'mid-size', 'mid-size'] \nStep 3, count red sedan vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":228
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"a4l",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1704.3, 1872.1], [1641.5, 1882.4], [1141.5, 1992.2], [1522.3, 1912.1], [1076.9, 2010.7], [1930.2, 1808.3], [1872.2, 1823.0], [1012.5, 2019.9], [943.8, 2033.9], [2345.1, 1665.8], [1391.5, 1955.6], [806.9, 2049.2], [1758.5, 1842.9], [882.3, 2046.6], [2153.2, 1734.2], [2043.5, 1772.6], [1982.4, 1780.9], [1457.5, 1932.3], [1814.1, 1827.4], [594.9, 2101.7], [2100.3, 1749.4], [741.1, 2070.3], [2501.7, 1610.3], [1207.5, 1973.2], [676.9, 2085.0], [2396.9, 1641.4], [2259.7, 1701.9], [2549.3, 1589.0], [2596.5, 1570.0], [2852.9, 1438.3], [2980.3, 1388.8], [2896.6, 1426.5], [3794.7, 1217.4], [2448.9, 1631.7], [3046.8, 1342.8], [1337.5, 1954.3], [1269.1, 1957.1], [3608.9, 873.4], [2640.8, 1552.0], [2686.7, 1532.5], [2728.9, 1511.8], [2780.1, 1502.2], [2808.7, 1468.0], [3090.8, 1324.9], [3152.7, 1277.6], [3452.8, 1059.7], [3478.5, 1033.6], [3510.7, 990.8], [3587.0, 931.9], [3686.0, 798.0], [3701.9, 767.8], [3788.9, 627.3], [3805.6, 589.0], [3843.9, 494.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-13.1, 33.0, 122.6], [-15.8, 33.4, 122.2], [-36.7, 37.0, 118.5], [-20.9, 34.4, 121.2], [-39.2, 37.6, 117.9], [-3.1, 30.7, 124.8], [-5.7, 31.3, 124.3], [-41.9, 37.9, 117.6], [-44.6, 38.4, 117.2], [16.2, 25.4, 130.2], [-26.3, 35.8, 119.7], [-50.2, 38.9, 116.7], [-10.8, 32.0, 123.6], [-47.0, 38.8, 116.8], [7.0, 28.0, 127.6], [2.0, 29.4, 126.1], [-0.8, 29.7, 125.8], [-23.6, 35.1, 120.5], [-8.3, 31.4, 124.1], [-58.3, 40.5, 115.1], [4.6, 28.6, 127.0], [-52.6, 39.5, 116.0], [23.9, 23.2, 132.4], [-34.0, 36.4, 119.1], [-55.1, 40.0, 115.6], [18.8, 24.4, 131.2], [12.1, 26.8, 128.8], [26.4, 22.3, 133.3], [28.8, 21.5, 134.1], [43.0, 15.8, 139.8], [50.2, 13.5, 142.1], [45.3, 15.2, 140.3], [97.4, 5.0, 150.5], [21.3, 24.0, 131.5], [54.4, 11.3, 144.2], [-28.6, 35.8, 119.8], [-31.5, 35.9, 119.7], [99.2, -15.5, 171.1], [31.1, 20.7, 134.8], [33.6, 19.9, 135.6], [35.9, 19.0, 136.5], [38.5, 18.6, 136.9], [40.4, 17.1, 138.4], [57.0, 10.5, 145.1], [61.3, 8.1, 147.5], [83.4, -3.7, 159.3], [85.7, -5.3, 160.9], [89.0, -7.9, 163.5], [95.6, -11.6, 167.2], [107.2, -20.8, 176.3], [109.5, -23.0, 178.6], [122.2, -34.0, 189.6], [125.5, -37.2, 192.8], [133.8, -45.8, 201.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [127.6, 127.7, 129.5, 127.7, 129.9, 128.6, 128.3, 130.5, 131.1, 133.6, 127.7, 132.8, 128.1, 131.7, 130.8, 129.5, 129.3, 127.7, 128.3, 135.2, 130.2, 133.4, 136.5, 129.1, 134.1, 134.7, 132.1, 137.7, 138.8, 147.1, 151.3, 148.2, 179.4, 135.4, 154.6, 128.2, 128.9, 198.4, 139.9, 141.1, 142.4, 143.5, 145.2, 156.3, 159.9, 179.9, 182.4, 186.3, 193.0, 207.4, 210.7, 228.1, 233.0, 246.0] \/nStep 5, find the minimum distance to the drone: 127.6 \/nStep 6, identify the model of this vehicle: a4l",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":229
+    },
+    {
+        "image":"735e641f-DJI_0062.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 11. B) 10.5. C) 12.8. D) 10.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1704.3, 1872.1], [1641.5, 1882.4], [1141.5, 1992.2], [1522.3, 1912.1], [1076.9, 2010.7], [1930.2, 1808.3], [1872.2, 1823.0], [1012.5, 2019.9], [943.8, 2033.9], [2345.1, 1665.8], [1391.5, 1955.6], [806.9, 2049.2], [1758.5, 1842.9], [882.3, 2046.6], [2153.2, 1734.2], [2043.5, 1772.6], [1982.4, 1780.9], [1457.5, 1932.3], [1814.1, 1827.4], [594.9, 2101.7], [2100.3, 1749.4], [741.1, 2070.3], [2501.7, 1610.3], [1207.5, 1973.2], [676.9, 2085.0], [2396.9, 1641.4], [2259.7, 1701.9], [2549.3, 1589.0], [2596.5, 1570.0], [2852.9, 1438.3], [2980.3, 1388.8], [2896.6, 1426.5], [3794.7, 1217.4], [2448.9, 1631.7], [3046.8, 1342.8], [1337.5, 1954.3], [1269.1, 1957.1], [3608.9, 873.4], [2640.8, 1552.0], [2686.7, 1532.5], [2728.9, 1511.8], [2780.1, 1502.2], [2808.7, 1468.0], [3090.8, 1324.9], [3152.7, 1277.6], [3452.8, 1059.7], [3478.5, 1033.6], [3510.7, 990.8], [3587.0, 931.9], [3686.0, 798.0], [3701.9, 767.8], [3788.9, 627.3], [3805.6, 589.0], [3843.9, 494.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-13.1, 33.0, 122.6], [-15.8, 33.4, 122.2], [-36.7, 37.0, 118.5], [-20.9, 34.4, 121.2], [-39.2, 37.6, 117.9], [-3.1, 30.7, 124.8], [-5.7, 31.3, 124.3], [-41.9, 37.9, 117.6], [-44.6, 38.4, 117.2], [16.2, 25.4, 130.2], [-26.3, 35.8, 119.7], [-50.2, 38.9, 116.7], [-10.8, 32.0, 123.6], [-47.0, 38.8, 116.8], [7.0, 28.0, 127.6], [2.0, 29.4, 126.1], [-0.8, 29.7, 125.8], [-23.6, 35.1, 120.5], [-8.3, 31.4, 124.1], [-58.3, 40.5, 115.1], [4.6, 28.6, 127.0], [-52.6, 39.5, 116.0], [23.9, 23.2, 132.4], [-34.0, 36.4, 119.1], [-55.1, 40.0, 115.6], [18.8, 24.4, 131.2], [12.1, 26.8, 128.8], [26.4, 22.3, 133.3], [28.8, 21.5, 134.1], [43.0, 15.8, 139.8], [50.2, 13.5, 142.1], [45.3, 15.2, 140.3], [97.4, 5.0, 150.5], [21.3, 24.0, 131.5], [54.4, 11.3, 144.2], [-28.6, 35.8, 119.8], [-31.5, 35.9, 119.7], [99.2, -15.5, 171.1], [31.1, 20.7, 134.8], [33.6, 19.9, 135.6], [35.9, 19.0, 136.5], [38.5, 18.6, 136.9], [40.4, 17.1, 138.4], [57.0, 10.5, 145.1], [61.3, 8.1, 147.5], [83.4, -3.7, 159.3], [85.7, -5.3, 160.9], [89.0, -7.9, 163.5], [95.6, -11.6, 167.2], [107.2, -20.8, 176.3], [109.5, -23.0, 178.6], [122.2, -34.0, 189.6], [125.5, -37.2, 192.8], [133.8, -45.8, 201.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [127.6, 127.7, 129.5, 127.7, 129.9, 128.6, 128.3, 130.5, 131.1, 133.6, 127.7, 132.8, 128.1, 131.7, 130.8, 129.5, 129.3, 127.7, 128.3, 135.2, 130.2, 133.4, 136.5, 129.1, 134.1, 134.7, 132.1, 137.7, 138.8, 147.1, 151.3, 148.2, 179.4, 135.4, 154.6, 128.2, 128.9, 198.4, 139.9, 141.1, 142.4, 143.5, 145.2, 156.3, 159.9, 179.9, 182.4, 186.3, 193.0, 207.4, 210.7, 228.1, 233.0, 246.0] \/nStep 5, find the minimum distance to the drone: 127.6 \/nStep 6, calculate the flight time of the drone: 127.6\/10=12.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":54,
+        "region":"image-level",
+        "qid":230
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Phoebe said she bought a new blue car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'gray', 'red', 'black', 'white', 'golden', 'black', 'white', 'black', 'black', 'red', 'blue', 'gray', 'black', 'white', 'black', 'blue', 'golden', 'blue', 'black', 'gray', 'red', 'black', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'white', 'black', 'black', 'blue'] \/nStep 2, there is an blue car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":231
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":232
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":233
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 62284. B) 67284. C) 57784. D) 57284.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":234
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"A) 9995000. B) 2998. C) 1999. D) 333.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'byd song plus', 'hyundai elantra', 'volkswagen passat', 'tesla model 3', 'buick lacrosse', 'buick lacrosse', 'volkswagen lavida', 'byd seal', 'audi a8', 'volvo s60', 'audi q3', 'audi a4l', 'bmw 3 series', 'buick velite 6', 'buick envision', 'tesla model 3', 'volvo s60', 'geely icon', 'buick envision', 'mercedes-benz glk', 'byd han', 'mercedes-benz gle', 'buick gl8', 'volvo xc60', 'jeep grand commander', 'mercedes-benz glc', 'audi a4l', 'mercedes-benz c-class', 'toyota highlander', 'toyota rav4', 'bmw x1', 'chevrolet cruze', 'bmw 3 series', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'toyota avalon', 'bmw 3 series'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000} \nStep 3, sum the price of each vehicle: 9995000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":235
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"A) 230000. B) 850000. C) 155000. D) 465000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'gray', 'red', 'black', 'white', 'golden', 'black', 'white', 'black', 'black', 'red', 'blue', 'gray', 'black', 'white', 'black', 'blue', 'golden', 'blue', 'black', 'gray', 'red', 'black', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'white', 'black', 'black', 'blue'] \nStep 2, identify the model of gray vehicles: ['byd song plus', 'audi a4l', 'mercedes-benz glk'] \nStep 3, query vehicle prices: {'byd song plus': 155000, 'audi a4l': 230000, 'mercedes-benz glk': 465000} \nStep 4, sum the price of each gray vehicle: 850000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":236
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"",
+        "answer":232441,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'byd song plus', 'hyundai elantra', 'volkswagen passat', 'tesla model 3', 'buick lacrosse', 'buick lacrosse', 'volkswagen lavida', 'byd seal', 'audi a8', 'volvo s60', 'audi q3', 'audi a4l', 'bmw 3 series', 'buick velite 6', 'buick envision', 'tesla model 3', 'volvo s60', 'geely icon', 'buick envision', 'mercedes-benz glk', 'byd han', 'mercedes-benz gle', 'buick gl8', 'volvo xc60', 'jeep grand commander', 'mercedes-benz glc', 'audi a4l', 'mercedes-benz c-class', 'toyota highlander', 'toyota rav4', 'bmw x1', 'chevrolet cruze', 'bmw 3 series', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'toyota avalon', 'bmw 3 series'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000} \nStep 3, calculate the average price of all vehicles: 232441",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":237
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.3. B) 204.9. C) 4. D) 4.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.6, 4.9, 4.7, 5.0, 5.0, 4.7, 4.8, 5.3, 4.8, 4.5, 4.9, 4.7, 4.7, 4.6, 4.7, 4.8, 4.3, 4.6, 4.6, 5.0, 4.9, 5.2, 4.7, 4.9, 4.8, 4.9, 4.9, 5.0, 4.6, 4.6, 4.7, 4.7, 4.8, 4.5, 4.8, 4.3, 4.6, 4.7, 4.9, 5.0, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":238
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.6, 4.9, 4.7, 5.0, 5.0, 4.7, 4.8, 5.3, 4.8, 4.5, 4.9, 4.7, 4.7, 4.6, 4.7, 4.8, 4.3, 4.6, 4.6, 5.0, 4.9, 5.2, 4.7, 4.9, 4.8, 4.9, 4.9, 5.0, 4.6, 4.6, 4.7, 4.7, 4.8, 4.5, 4.8, 4.3, 4.6, 4.7, 4.9, 5.0, 4.7] \nStep 5, find the maximum length of all vehicles: 5.3",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":239
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"",
+        "answer":35000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'byd song plus', 'hyundai elantra', 'volkswagen passat', 'tesla model 3', 'buick lacrosse', 'buick lacrosse', 'volkswagen lavida', 'byd seal', 'audi a8', 'volvo s60', 'audi q3', 'audi a4l', 'bmw 3 series', 'buick velite 6', 'buick envision', 'tesla model 3', 'volvo s60', 'geely icon', 'buick envision', 'mercedes-benz glk', 'byd han', 'mercedes-benz gle', 'buick gl8', 'volvo xc60', 'jeep grand commander', 'mercedes-benz glc', 'audi a4l', 'mercedes-benz c-class', 'toyota highlander', 'toyota rav4', 'bmw x1', 'chevrolet cruze', 'bmw 3 series', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'toyota avalon', 'bmw 3 series'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000} \nStep 3, calculate the minimum price of all vehicles: 35000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":240
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) pink. B) gray. C) black. D) white.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'gray', 'red', 'black', 'white', 'golden', 'black', 'white', 'black', 'black', 'red', 'blue', 'gray', 'black', 'white', 'black', 'blue', 'golden', 'blue', 'black', 'gray', 'red', 'black', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'white', 'black', 'black', 'blue'] \/nStep 2, count vehicles for each color: {'silver': 1, 'gray': 3, 'red': 3, 'black': 16, 'white': 14, 'golden': 2, 'blue': 4}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":241
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'compact', 'sedan', 'full-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mpv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'crossover', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['black', 'white', 'golden', 'black', 'red', 'gray', 'black', 'blue', 'golden', 'red', 'white', 'black', 'black', 'black', 'black', 'blue'] \nStep 3, count mid-size vehicles for each color: {'black': 7, 'white': 2, 'golden': 2, 'red': 2, 'gray': 1, 'blue': 2} \nStep 4, sort to get the most common color of mid-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":242
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 49 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 43 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 49-43=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":243
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many sedan vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'compact', 'sedan', 'full-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mpv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'crossover', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'mid-size'] \/nStep 2, count all sedan vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":244
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"",
+        "answer":34,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'byd song plus', 'hyundai elantra', 'volkswagen passat', 'tesla model 3', 'buick lacrosse', 'buick lacrosse', 'volkswagen lavida', 'byd seal', 'audi a8', 'volvo s60', 'audi q3', 'audi a4l', 'bmw 3 series', 'buick velite 6', 'buick envision', 'tesla model 3', 'volvo s60', 'geely icon', 'buick envision', 'mercedes-benz glk', 'byd han', 'mercedes-benz gle', 'buick gl8', 'volvo xc60', 'jeep grand commander', 'mercedes-benz glc', 'audi a4l', 'mercedes-benz c-class', 'toyota highlander', 'toyota rav4', 'bmw x1', 'chevrolet cruze', 'bmw 3 series', 'volkswagen jetta', 'volkswagen tiguan', 'mercedes-benz glc', 'volkswagen golf', 'buick excelle', 'roewe erx5', 'toyota camry', 'toyota avalon', 'bmw 3 series'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000} \nStep 3, count vehicles priced above 100000 RMB: 34",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":245
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many red mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 2. C) 1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'gray', 'red', 'black', 'white', 'golden', 'black', 'white', 'black', 'black', 'red', 'blue', 'gray', 'black', 'white', 'black', 'blue', 'golden', 'blue', 'black', 'gray', 'red', 'black', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'white', 'white', 'black', 'white', 'black', 'black', 'white', 'white', 'white', 'black', 'black', 'blue'] \nStep 2, identify the type of red vehicles: ['compact', 'mid-size', 'mid-size'] \nStep 3, count red mpv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":246
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"buick",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2015.3, 1849.8], [1527.7, 1951.8], [1835.2, 1887.9], [1586.9, 1936.6], [2410.3, 1765.1], [1952.9, 1862.3], [1713.7, 1913.0], [1643.3, 1919.8], [1894.6, 1879.4], [1449.7, 1969.0], [1772.3, 1903.7], [2621.2, 1710.5], [2468.1, 1754.3], [2672.7, 1697.3], [2780.3, 1664.4], [2830.3, 1645.1], [2879.7, 1629.7], [3055.2, 1565.8], [2565.9, 1713.3], [2513.2, 1730.0], [2720.4, 1672.7], [2068.6, 1830.4], [3622.8, 1297.1], [2980.7, 1595.7], [3772.5, 1189.6], [2127.1, 1824.9], [3509.2, 1345.4], [3719.8, 1236.7], [2183.3, 1824.5], [2300.3, 1786.8], [2245.6, 1805.3], [3101.2, 1537.8], [3152.2, 1531.5], [3197.6, 1511.6], [3239.8, 1490.1], [3283.5, 1470.7], [3324.6, 1452.0], [3363.6, 1435.8], [3400.1, 1414.4], [3451.3, 1404.5], [3472.3, 1371.3], [3557.6, 1340.5], [3678.8, 1253.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.7, 32.2, 123.3], [-20.4, 35.7, 119.8], [-7.2, 33.5, 122.0], [-17.9, 35.2, 120.4], [18.7, 29.2, 126.4], [-2.1, 32.7, 122.9], [-12.5, 34.4, 121.2], [-15.5, 34.6, 120.9], [-4.6, 33.3, 122.3], [-23.7, 36.3, 119.3], [-10.0, 34.1, 121.5], [28.8, 27.1, 128.5], [21.4, 28.8, 126.8], [31.3, 26.6, 129.0], [36.6, 25.3, 130.2], [39.2, 24.6, 131.0], [41.7, 23.9, 131.6], [51.1, 21.3, 134.2], [26.2, 27.2, 128.3], [23.6, 27.8, 127.7], [33.7, 25.6, 129.9], [3.1, 31.5, 124.0], [85.7, 9.1, 146.5], [47.0, 22.6, 133.0], [97.1, 3.5, 152.0], [5.7, 31.3, 124.2], [78.4, 11.4, 144.1], [92.7, 6.0, 149.5], [8.2, 31.3, 124.2], [13.6, 30.0, 125.6], [11.1, 30.6, 124.9], [53.7, 20.1, 135.4], [56.3, 19.9, 135.7], [58.9, 19.0, 136.5], [61.4, 18.1, 137.5], [64.0, 17.2, 138.3], [66.4, 16.4, 139.2], [68.8, 15.7, 139.9], [71.1, 14.7, 140.9], [73.9, 14.2, 141.3], [75.8, 12.7, 142.9], [81.0, 11.2, 144.4], [89.9, 6.9, 148.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [127.5, 126.7, 126.7, 126.7, 131.1, 127.2, 126.6, 126.7, 126.8, 126.9, 126.6, 134.4, 131.8, 135.3, 137.6, 138.9, 140.1, 145.2, 133.8, 132.8, 136.7, 128.0, 169.9, 142.9, 180.4, 128.2, 164.5, 176.0, 128.4, 129.8, 129.1, 147.1, 148.3, 149.9, 151.7, 153.4, 155.1, 156.7, 158.5, 160.1, 162.2, 165.9, 173.9] \/nStep 5, find the minimum distance to the drone: 126.6 \/nStep 6, identify the brand of this vehicle: buick",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":247
+    },
+    {
+        "image":"39f43a0a-DJI_0063.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":7.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2015.3, 1849.8], [1527.7, 1951.8], [1835.2, 1887.9], [1586.9, 1936.6], [2410.3, 1765.1], [1952.9, 1862.3], [1713.7, 1913.0], [1643.3, 1919.8], [1894.6, 1879.4], [1449.7, 1969.0], [1772.3, 1903.7], [2621.2, 1710.5], [2468.1, 1754.3], [2672.7, 1697.3], [2780.3, 1664.4], [2830.3, 1645.1], [2879.7, 1629.7], [3055.2, 1565.8], [2565.9, 1713.3], [2513.2, 1730.0], [2720.4, 1672.7], [2068.6, 1830.4], [3622.8, 1297.1], [2980.7, 1595.7], [3772.5, 1189.6], [2127.1, 1824.9], [3509.2, 1345.4], [3719.8, 1236.7], [2183.3, 1824.5], [2300.3, 1786.8], [2245.6, 1805.3], [3101.2, 1537.8], [3152.2, 1531.5], [3197.6, 1511.6], [3239.8, 1490.1], [3283.5, 1470.7], [3324.6, 1452.0], [3363.6, 1435.8], [3400.1, 1414.4], [3451.3, 1404.5], [3472.3, 1371.3], [3557.6, 1340.5], [3678.8, 1253.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.7, 32.2, 123.3], [-20.4, 35.7, 119.8], [-7.2, 33.5, 122.0], [-17.9, 35.2, 120.4], [18.7, 29.2, 126.4], [-2.1, 32.7, 122.9], [-12.5, 34.4, 121.2], [-15.5, 34.6, 120.9], [-4.6, 33.3, 122.3], [-23.7, 36.3, 119.3], [-10.0, 34.1, 121.5], [28.8, 27.1, 128.5], [21.4, 28.8, 126.8], [31.3, 26.6, 129.0], [36.6, 25.3, 130.2], [39.2, 24.6, 131.0], [41.7, 23.9, 131.6], [51.1, 21.3, 134.2], [26.2, 27.2, 128.3], [23.6, 27.8, 127.7], [33.7, 25.6, 129.9], [3.1, 31.5, 124.0], [85.7, 9.1, 146.5], [47.0, 22.6, 133.0], [97.1, 3.5, 152.0], [5.7, 31.3, 124.2], [78.4, 11.4, 144.1], [92.7, 6.0, 149.5], [8.2, 31.3, 124.2], [13.6, 30.0, 125.6], [11.1, 30.6, 124.9], [53.7, 20.1, 135.4], [56.3, 19.9, 135.7], [58.9, 19.0, 136.5], [61.4, 18.1, 137.5], [64.0, 17.2, 138.3], [66.4, 16.4, 139.2], [68.8, 15.7, 139.9], [71.1, 14.7, 140.9], [73.9, 14.2, 141.3], [75.8, 12.7, 142.9], [81.0, 11.2, 144.4], [89.9, 6.9, 148.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [127.5, 126.7, 126.7, 126.7, 131.1, 127.2, 126.6, 126.7, 126.8, 126.9, 126.6, 134.4, 131.8, 135.3, 137.6, 138.9, 140.1, 145.2, 133.8, 132.8, 136.7, 128.0, 169.9, 142.9, 180.4, 128.2, 164.5, 176.0, 128.4, 129.8, 129.1, 147.1, 148.3, 149.9, 151.7, 153.4, 155.1, 156.7, 158.5, 160.1, 162.2, 165.9, 173.9] \/nStep 5, find the minimum distance to the drone: 126.6 \/nStep 6, calculate the flight time of the drone: 126.6\/16=7.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":248
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new purple car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'gray', 'white', 'blue', 'black', 'blue', 'silver', 'brown', 'silver', 'blue', 'black', 'pink', 'black', 'black', 'black', 'blue', 'silver', 'white', 'black', 'red', 'white', 'white', 'white', 'black', 'golden', 'black', 'black', 'blue', 'blue', 'gray', 'gray', 'brown', 'white', 'blue', 'brown', 'white', 'white', 'blue', 'black', 'white', 'black', 'gray', 'white', 'white', 'brown', 'black', 'pink', 'gray', 'silver'] \/nStep 2, there is no purple car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":249
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 70. B) 110. C) 30. D) 80.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":250
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":251
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 9477. B) 17477. C) 7477. D) 7977.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":252
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":11080000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'ford mustang', 'buick regal', 'byd qin', 'nissan teana', 'infiniti g series', 'toyota levin', 'audi q5', 'toyota avalon', 'nio ec6', 'tesla model y', 'byd dolphin', 'volkswagen lavida', 'buick lacrosse', 'toyota camry', 'buick excelle', 'volkswagen tiguan l', 'bmw m5', 'bmw 5 series', 'toyota rav4', 'volkswagen touan l', 'byd qin', 'roewe erx5', 'bmw x3', 'peugeot 3008', 'audi a6l', 'bmw x5', 'bmw ix3', 'bmw ix3', 'roewe i5', 'byd qin plus', 'volkswagen tiguan l', 'byd song plus', 'volkswagen touareg', 'volvo xc60', 'byd song plus', 'volkswagen t-roc', 'cadillac xt6', 'bmw 3 series', 'byd song plus', 'volkswagen passat', 'tesla model 3', 'rising er6', 'hyundai ix25', 'buick lacrosse', 'mercedes-benz e-class', 'aito m5', 'byd song plus', 'toyota carola'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000} \nStep 3, sum the price of each vehicle: 11080000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":253
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"A) 1305000. B) 217500. C) 65000. D) 145000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'gray', 'white', 'blue', 'black', 'blue', 'silver', 'brown', 'silver', 'blue', 'black', 'pink', 'black', 'black', 'black', 'blue', 'silver', 'white', 'black', 'red', 'white', 'white', 'white', 'black', 'golden', 'black', 'black', 'blue', 'blue', 'gray', 'gray', 'brown', 'white', 'blue', 'brown', 'white', 'white', 'blue', 'black', 'white', 'black', 'gray', 'white', 'white', 'brown', 'black', 'pink', 'gray', 'silver'] \nStep 2, identify the model of gray vehicles: ['byd yuan plus', 'ford mustang', 'roewe i5', 'byd qin plus', 'tesla model 3', 'byd song plus'] \nStep 3, query vehicle prices: {'byd yuan plus': 135000, 'ford mustang': 560000, 'roewe i5': 65000, 'byd qin plus': 105000, 'tesla model 3': 285000, 'byd song plus': 155000} \nStep 4, sum the price of each gray vehicle: 1305000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":254
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.8, 4.9, 4.7, 4.9, 4.8, 4.6, 4.6, 5.0, 4.8, 4.8, 4.1, 4.7, 5.0, 4.9, 4.6, 4.7, 5.0, 5.2, 4.6, 4.5, 4.7, 4.7, 4.7, 4.4, 5.0, 5.1, 4.7, 4.7, 4.7, 4.8, 4.7, 4.8, 5.1, 4.7, 4.8, 4.3, 5.1, 4.7, 4.8, 4.9, 4.7, 4.7, 4.3, 5.0, 5.1, 4.8, 4.8, 4.6] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":255
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.8, 4.9, 4.7, 4.9, 4.8, 4.6, 4.6, 5.0, 4.8, 4.8, 4.1, 4.7, 5.0, 4.9, 4.6, 4.7, 5.0, 5.2, 4.6, 4.5, 4.7, 4.7, 4.7, 4.4, 5.0, 5.1, 4.7, 4.7, 4.7, 4.8, 4.7, 4.8, 5.1, 4.7, 4.8, 4.3, 5.1, 4.7, 4.8, 4.9, 4.7, 4.7, 4.3, 5.0, 5.1, 4.8, 4.8, 4.6] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":256
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":1455000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'ford mustang', 'buick regal', 'byd qin', 'nissan teana', 'infiniti g series', 'toyota levin', 'audi q5', 'toyota avalon', 'nio ec6', 'tesla model y', 'byd dolphin', 'volkswagen lavida', 'buick lacrosse', 'toyota camry', 'buick excelle', 'volkswagen tiguan l', 'bmw m5', 'bmw 5 series', 'toyota rav4', 'volkswagen touan l', 'byd qin', 'roewe erx5', 'bmw x3', 'peugeot 3008', 'audi a6l', 'bmw x5', 'bmw ix3', 'bmw ix3', 'roewe i5', 'byd qin plus', 'volkswagen tiguan l', 'byd song plus', 'volkswagen touareg', 'volvo xc60', 'byd song plus', 'volkswagen t-roc', 'cadillac xt6', 'bmw 3 series', 'byd song plus', 'volkswagen passat', 'tesla model 3', 'rising er6', 'hyundai ix25', 'buick lacrosse', 'mercedes-benz e-class', 'aito m5', 'byd song plus', 'toyota carola'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000} \nStep 3, calculate the maximum price of all vehicles: 1455000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":257
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'ford mustang', 'buick regal', 'byd qin', 'nissan teana', 'infiniti g series', 'toyota levin', 'audi q5', 'toyota avalon', 'nio ec6', 'tesla model y', 'byd dolphin', 'volkswagen lavida', 'buick lacrosse', 'toyota camry', 'buick excelle', 'volkswagen tiguan l', 'bmw m5', 'bmw 5 series', 'toyota rav4', 'volkswagen touan l', 'byd qin', 'roewe erx5', 'bmw x3', 'peugeot 3008', 'audi a6l', 'bmw x5', 'bmw ix3', 'bmw ix3', 'roewe i5', 'byd qin plus', 'volkswagen tiguan l', 'byd song plus', 'volkswagen touareg', 'volvo xc60', 'byd song plus', 'volkswagen t-roc', 'cadillac xt6', 'bmw 3 series', 'byd song plus', 'volkswagen passat', 'tesla model 3', 'rising er6', 'hyundai ix25', 'buick lacrosse', 'mercedes-benz e-class', 'aito m5', 'byd song plus', 'toyota carola'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":258
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) silver. C) orange. D) black.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'gray', 'white', 'blue', 'black', 'blue', 'silver', 'brown', 'silver', 'blue', 'black', 'pink', 'black', 'black', 'black', 'blue', 'silver', 'white', 'black', 'red', 'white', 'white', 'white', 'black', 'golden', 'black', 'black', 'blue', 'blue', 'gray', 'gray', 'brown', 'white', 'blue', 'brown', 'white', 'white', 'blue', 'black', 'white', 'black', 'gray', 'white', 'white', 'brown', 'black', 'pink', 'gray', 'silver'] \/nStep 2, count vehicles for each color: {'gray': 6, 'white': 11, 'blue': 8, 'black': 12, 'silver': 4, 'brown': 4, 'pink': 2, 'red': 1, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":259
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) yellow. C) green. D) brown.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'sports', 'mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'subcompact', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'full-size', 'crossover', 'mpv', 'compact', 'suv', 'suv', 'suv', 'full-size', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'full-size', 'suv', 'suv', 'compact'] \nStep 2, identify the color of mpv vehicles: ['white'] \nStep 3, count mpv vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of mpv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":260
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 54 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 49 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 54-49=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":261
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many silver vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 6. B) 5. C) 4. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'gray', 'white', 'blue', 'black', 'blue', 'silver', 'brown', 'silver', 'blue', 'black', 'pink', 'black', 'black', 'black', 'blue', 'silver', 'white', 'black', 'red', 'white', 'white', 'white', 'black', 'golden', 'black', 'black', 'blue', 'blue', 'gray', 'gray', 'brown', 'white', 'blue', 'brown', 'white', 'white', 'blue', 'black', 'white', 'black', 'gray', 'white', 'white', 'brown', 'black', 'pink', 'gray', 'silver'] \/nStep 2, count all silver vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":262
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"A) 3. B) 5. C) 6. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'ford mustang', 'buick regal', 'byd qin', 'nissan teana', 'infiniti g series', 'toyota levin', 'audi q5', 'toyota avalon', 'nio ec6', 'tesla model y', 'byd dolphin', 'volkswagen lavida', 'buick lacrosse', 'toyota camry', 'buick excelle', 'volkswagen tiguan l', 'bmw m5', 'bmw 5 series', 'toyota rav4', 'volkswagen touan l', 'byd qin', 'roewe erx5', 'bmw x3', 'peugeot 3008', 'audi a6l', 'bmw x5', 'bmw ix3', 'bmw ix3', 'roewe i5', 'byd qin plus', 'volkswagen tiguan l', 'byd song plus', 'volkswagen touareg', 'volvo xc60', 'byd song plus', 'volkswagen t-roc', 'cadillac xt6', 'bmw 3 series', 'byd song plus', 'volkswagen passat', 'tesla model 3', 'rising er6', 'hyundai ix25', 'buick lacrosse', 'mercedes-benz e-class', 'aito m5', 'byd song plus', 'toyota carola'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000} \nStep 3, count vehicles priced above 500000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":263
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 1. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'gray', 'white', 'blue', 'black', 'blue', 'silver', 'brown', 'silver', 'blue', 'black', 'pink', 'black', 'black', 'black', 'blue', 'silver', 'white', 'black', 'red', 'white', 'white', 'white', 'black', 'golden', 'black', 'black', 'blue', 'blue', 'gray', 'gray', 'brown', 'white', 'blue', 'brown', 'white', 'white', 'blue', 'black', 'white', 'black', 'gray', 'white', 'white', 'brown', 'black', 'pink', 'gray', 'silver'] \nStep 2, identify the type of silver vehicles: ['compact', 'mid-size', 'suv', 'compact'] \nStep 3, count silver compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":264
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"rav4",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2409.5, 1362.6], [3567.7, 1807.2], [2239.2, 1284.6], [2754.7, 1537.7], [2325.3, 1326.0], [3474.9, 1782.7], [1414.8, 817.9], [1658.6, 958.1], [3387.2, 1759.5], [2933.3, 1131.8], [3015.9, 1646.6], [2856.2, 1077.3], [1169.2, 647.4], [3198.3, 1705.7], [2160.5, 1226.2], [1747.3, 1003.8], [1073.5, 585.2], [2657.8, 1483.8], [3103.8, 1667.9], [2069.0, 1193.0], [3661.4, 1838.8], [1907.1, 1102.0], [1499.4, 842.6], [3289.4, 1731.5], [1241.3, 706.5], [2836.3, 1318.0], [2580.5, 1442.6], [1579.1, 908.1], [1579.1, 908.1], [1539.6, 338.1], [1377.4, 227.9], [1943.1, 589.2], [1694.6, 450.3], [2010.6, 657.3], [1776.4, 492.6], [1610.7, 404.0], [1335.9, 748.3], [1855.2, 545.4], [1466.6, 286.3], [2185.2, 745.2], [2923.0, 1610.6], [2767.7, 1040.7], [2839.8, 1577.9], [2667.3, 1001.2], [1824.9, 1046.0], [2103.4, 690.2], [2346.1, 818.0], [2508.2, 924.0], [1986.1, 1149.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.8, 6.9, 80.0], [45.2, 19.7, 80.0], [6.9, 4.6, 80.0], [21.8, 11.9, 80.0], [9.4, 5.8, 80.0], [42.5, 19.0, 80.0], [-16.9, -8.9, 80.0], [-9.8, -4.8, 80.0], [40.0, 18.3, 80.0], [26.9, 0.2, 80.0], [29.3, 15.0, 80.0], [24.7, -1.4, 80.0], [-24.0, -13.8, 80.0], [34.6, 16.7, 80.0], [4.6, 2.9, 80.0], [-7.3, -3.5, 80.0], [-26.7, -15.6, 80.0], [19.0, 10.3, 80.0], [31.8, 15.7, 80.0], [2.0, 2.0, 80.0], [47.9, 20.6, 80.0], [-2.7, -0.7, 80.0], [-14.4, -8.1, 80.0], [37.2, 17.5, 80.0], [-21.9, -12.1, 80.0], [24.1, 5.6, 80.0], [16.7, 9.2, 80.0], [-12.1, -6.3, 80.0], [-12.1, -6.3, 80.0], [-13.3, -22.7, 80.0], [-18.0, -25.9, 80.0], [-1.6, -15.4, 80.0], [-8.8, -19.5, 80.0], [0.3, -13.5, 80.0], [-6.4, -18.2, 80.0], [-11.2, -20.8, 80.0], [-19.1, -10.9, 80.0], [-4.2, -16.7, 80.0], [-15.4, -24.2, 80.0], [5.3, -11.0, 80.0], [26.6, 14.0, 80.0], [22.1, -2.4, 80.0], [24.2, 13.1, 80.0], [19.2, -3.6, 80.0], [-5.0, -2.3, 80.0], [3.0, -12.5, 80.0], [10.0, -8.9, 80.0], [14.7, -5.8, 80.0], [-0.4, 0.7, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.2, 94.0, 80.4, 83.8, 80.8, 92.6, 82.2, 80.7, 91.3, 84.4, 86.5, 83.7, 84.6, 88.7, 80.2, 80.4, 85.8, 82.9, 87.5, 80.0, 95.5, 80.0, 81.7, 89.9, 83.8, 83.7, 82.2, 81.2, 81.2, 84.2, 86.0, 81.5, 82.8, 81.1, 82.3, 83.4, 83.0, 81.8, 85.0, 80.9, 85.5, 83.0, 84.6, 82.4, 80.2, 81.0, 81.1, 81.5, 80.0] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, identify the model of this vehicle: rav4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":265
+    },
+    {
+        "image":"e6667ce3-DJI_0115.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":6.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2409.5, 1362.6], [3567.7, 1807.2], [2239.2, 1284.6], [2754.7, 1537.7], [2325.3, 1326.0], [3474.9, 1782.7], [1414.8, 817.9], [1658.6, 958.1], [3387.2, 1759.5], [2933.3, 1131.8], [3015.9, 1646.6], [2856.2, 1077.3], [1169.2, 647.4], [3198.3, 1705.7], [2160.5, 1226.2], [1747.3, 1003.8], [1073.5, 585.2], [2657.8, 1483.8], [3103.8, 1667.9], [2069.0, 1193.0], [3661.4, 1838.8], [1907.1, 1102.0], [1499.4, 842.6], [3289.4, 1731.5], [1241.3, 706.5], [2836.3, 1318.0], [2580.5, 1442.6], [1579.1, 908.1], [1579.1, 908.1], [1539.6, 338.1], [1377.4, 227.9], [1943.1, 589.2], [1694.6, 450.3], [2010.6, 657.3], [1776.4, 492.6], [1610.7, 404.0], [1335.9, 748.3], [1855.2, 545.4], [1466.6, 286.3], [2185.2, 745.2], [2923.0, 1610.6], [2767.7, 1040.7], [2839.8, 1577.9], [2667.3, 1001.2], [1824.9, 1046.0], [2103.4, 690.2], [2346.1, 818.0], [2508.2, 924.0], [1986.1, 1149.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.8, 6.9, 80.0], [45.2, 19.7, 80.0], [6.9, 4.6, 80.0], [21.8, 11.9, 80.0], [9.4, 5.8, 80.0], [42.5, 19.0, 80.0], [-16.9, -8.9, 80.0], [-9.8, -4.8, 80.0], [40.0, 18.3, 80.0], [26.9, 0.2, 80.0], [29.3, 15.0, 80.0], [24.7, -1.4, 80.0], [-24.0, -13.8, 80.0], [34.6, 16.7, 80.0], [4.6, 2.9, 80.0], [-7.3, -3.5, 80.0], [-26.7, -15.6, 80.0], [19.0, 10.3, 80.0], [31.8, 15.7, 80.0], [2.0, 2.0, 80.0], [47.9, 20.6, 80.0], [-2.7, -0.7, 80.0], [-14.4, -8.1, 80.0], [37.2, 17.5, 80.0], [-21.9, -12.1, 80.0], [24.1, 5.6, 80.0], [16.7, 9.2, 80.0], [-12.1, -6.3, 80.0], [-12.1, -6.3, 80.0], [-13.3, -22.7, 80.0], [-18.0, -25.9, 80.0], [-1.6, -15.4, 80.0], [-8.8, -19.5, 80.0], [0.3, -13.5, 80.0], [-6.4, -18.2, 80.0], [-11.2, -20.8, 80.0], [-19.1, -10.9, 80.0], [-4.2, -16.7, 80.0], [-15.4, -24.2, 80.0], [5.3, -11.0, 80.0], [26.6, 14.0, 80.0], [22.1, -2.4, 80.0], [24.2, 13.1, 80.0], [19.2, -3.6, 80.0], [-5.0, -2.3, 80.0], [3.0, -12.5, 80.0], [10.0, -8.9, 80.0], [14.7, -5.8, 80.0], [-0.4, 0.7, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.2, 94.0, 80.4, 83.8, 80.8, 92.6, 82.2, 80.7, 91.3, 84.4, 86.5, 83.7, 84.6, 88.7, 80.2, 80.4, 85.8, 82.9, 87.5, 80.0, 95.5, 80.0, 81.7, 89.9, 83.8, 83.7, 82.2, 81.2, 81.2, 84.2, 86.0, 81.5, 82.8, 81.1, 82.3, 83.4, 83.0, 81.8, 85.0, 80.9, 85.5, 83.0, 84.6, 82.4, 80.2, 81.0, 81.1, 81.5, 80.0] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, calculate the flight time of the drone: 80.0\/12=6.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":49,
+        "region":"image-level",
+        "qid":266
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Phoebe said she bought a new yellow car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'black', 'gray', 'black', 'white', 'brown', 'black', 'blue', 'blue', 'white', 'black', 'black', 'black', 'white', 'black', 'white', 'gray', 'white', 'white', 'blue', 'silver', 'silver', 'black', 'white', 'red', 'silver', 'black', 'blue', 'red', 'black', 'white', 'black', 'gray', 'brown', 'white', 'white', 'black', 'white', 'golden', 'green', 'golden', 'white', 'white', 'orange', 'gray', 'white', 'blue', 'gray', 'silver', 'black', 'silver', 'white', 'brown', 'blue', 'white', 'blue', 'black', 'brown', 'white', 'silver', 'white', 'brown', 'silver', 'brown', 'white', 'brown', 'black', 'white', 'black', 'blue', 'gray', 'gray', 'blue', 'white', 'silver', 'black', 'red'] \/nStep 2, there is no yellow car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":267
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":268
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 30. B) 80. C) 90. D) 45.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":269
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 21823. B) 18823. C) 16823. D) 17823.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":270
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"A) 3232. B) 808. C) 538. D) 16160000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota avalon', 'audi s4', 'honda avancier', 'xpeng p7', 'buick regal', 'mercedes-benz gla', 'buick excelle', 'toyota camry', 'byd song plus', 'infiniti qx50', 'haval h2', 'lynk&co 1', 'volkswagen passat', 'buick envision', 'volkswagen sagitar', 'nissan teana', 'mercedes-benz c-class', 'audi a4l', 'nissan x-trail', 'buick encore', 'tesla model y', 'volkswagen tiguan l', 'toyota camry', 'mercedes-benz e-class', 'audi a3', 'volkswagen beetle', 'ford focus', 'skoda superb', 'volvo v40', 'volkswagen polo', 'tesla model y', 'bmw x2', 'volvo xc90', 'mini mini', 'ora good cat', 'volkswagen tiguan l', 'buick velite 6', 'audi a6l', 'toyota rav4', 'buick regal', 'tesla model 3', 'buick regal', 'volvo xc40', 'volkswagen lavida', 'audi q3', 'volkswagen sagitar', 'byd qin', 'volvo xc60', 'byd yuan plus', 'buick gl8', 'tesla model y', 'toyota corolla', 'honda cr-v', 'volkswagen touran', 'bmw 3 series', 'mercedes-benz glc', 'buick regal', 'bmw x7', 'volkswagen passat', 'byd tang', 'volkswagen golf', 'volkswagen tayron gte', 'buick enclave', 'citroen elysee', 'bmw x1', 'honda cr-v', 'buick lacrosse', 'tesla model y', 'buick regal', 'tesla model 3', 'bmw x3', 'byd han', 'byd song plus', 'buick excelle', 'volkswagen tiguan l', 'lexus rx', 'tesla model 3', 'riich g3'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000} \nStep 3, sum the price of each vehicle: 16160000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":271
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":1905000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'black', 'gray', 'black', 'white', 'brown', 'black', 'blue', 'blue', 'white', 'black', 'black', 'black', 'white', 'black', 'white', 'gray', 'white', 'white', 'blue', 'silver', 'silver', 'black', 'white', 'red', 'silver', 'black', 'blue', 'red', 'black', 'white', 'black', 'gray', 'brown', 'white', 'white', 'black', 'white', 'golden', 'green', 'golden', 'white', 'white', 'orange', 'gray', 'white', 'blue', 'gray', 'silver', 'black', 'silver', 'white', 'brown', 'blue', 'white', 'blue', 'black', 'brown', 'white', 'silver', 'white', 'brown', 'silver', 'brown', 'white', 'brown', 'black', 'white', 'black', 'blue', 'gray', 'gray', 'blue', 'white', 'silver', 'black', 'red'] \nStep 2, identify the model of blue vehicles: ['byd song plus', 'infiniti qx50', 'tesla model y', 'volvo v40', 'volvo xc60', 'bmw 3 series', 'buick regal', 'bmw x3', 'buick excelle'] \nStep 3, query vehicle prices: {'byd song plus': 155000, 'infiniti qx50': 255000, 'tesla model y': 305000, 'volvo v40': 65000, 'volvo xc60': 290000, 'bmw 3 series': 285000, 'buick regal': 165000, 'bmw x3': 340000, 'buick excelle': 45000} \nStep 4, sum the price of each blue vehicle: 1905000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":272
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.8, 4.9, 4.9, 4.9, 4.4, 4.6, 4.9, 4.8, 4.7, 4.4, 4.5, 4.9, 4.6, 4.8, 4.9, 4.9, 4.9, 4.7, 4.3, 4.8, 4.7, 4.9, 5.1, 4.3, 4.3, 4.7, 4.8, 4.4, 4.1, 4.8, 4.4, 5.0, 3.9, 4.2, 4.7, 4.7, 5.0, 4.6, 4.9, 4.7, 4.9, 4.4, 4.7, 4.5, 4.8, 4.7, 4.7, 4.5, 5.2, 4.8, 4.6, 4.7, 4.4, 4.7, 4.8, 4.9, 5.2, 4.9, 4.9, 4.3, 4.6, 4.6, 4.4, 4.6, 4.7, 5.0, 4.8, 4.9, 4.7, 4.7, 5.0, 4.8, 4.6, 4.7, 4.9, 4.7, 4.6] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":273
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota avalon', 'audi s4', 'honda avancier', 'xpeng p7', 'buick regal', 'mercedes-benz gla', 'buick excelle', 'toyota camry', 'byd song plus', 'infiniti qx50', 'haval h2', 'lynk&co 1', 'volkswagen passat', 'buick envision', 'volkswagen sagitar', 'nissan teana', 'mercedes-benz c-class', 'audi a4l', 'nissan x-trail', 'buick encore', 'tesla model y', 'volkswagen tiguan l', 'toyota camry', 'mercedes-benz e-class', 'audi a3', 'volkswagen beetle', 'ford focus', 'skoda superb', 'volvo v40', 'volkswagen polo', 'tesla model y', 'bmw x2', 'volvo xc90', 'mini mini', 'ora good cat', 'volkswagen tiguan l', 'buick velite 6', 'audi a6l', 'toyota rav4', 'buick regal', 'tesla model 3', 'buick regal', 'volvo xc40', 'volkswagen lavida', 'audi q3', 'volkswagen sagitar', 'byd qin', 'volvo xc60', 'byd yuan plus', 'buick gl8', 'tesla model y', 'toyota corolla', 'honda cr-v', 'volkswagen touran', 'bmw 3 series', 'mercedes-benz glc', 'buick regal', 'bmw x7', 'volkswagen passat', 'byd tang', 'volkswagen golf', 'volkswagen tayron gte', 'buick enclave', 'citroen elysee', 'bmw x1', 'honda cr-v', 'buick lacrosse', 'tesla model y', 'buick regal', 'tesla model 3', 'bmw x3', 'byd han', 'byd song plus', 'buick excelle', 'volkswagen tiguan l', 'lexus rx', 'tesla model 3', 'riich g3'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000} \nStep 3, calculate the median price of all vehicles: 170000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":274
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":1305000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota avalon', 'audi s4', 'honda avancier', 'xpeng p7', 'buick regal', 'mercedes-benz gla', 'buick excelle', 'toyota camry', 'byd song plus', 'infiniti qx50', 'haval h2', 'lynk&co 1', 'volkswagen passat', 'buick envision', 'volkswagen sagitar', 'nissan teana', 'mercedes-benz c-class', 'audi a4l', 'nissan x-trail', 'buick encore', 'tesla model y', 'volkswagen tiguan l', 'toyota camry', 'mercedes-benz e-class', 'audi a3', 'volkswagen beetle', 'ford focus', 'skoda superb', 'volvo v40', 'volkswagen polo', 'tesla model y', 'bmw x2', 'volvo xc90', 'mini mini', 'ora good cat', 'volkswagen tiguan l', 'buick velite 6', 'audi a6l', 'toyota rav4', 'buick regal', 'tesla model 3', 'buick regal', 'volvo xc40', 'volkswagen lavida', 'audi q3', 'volkswagen sagitar', 'byd qin', 'volvo xc60', 'byd yuan plus', 'buick gl8', 'tesla model y', 'toyota corolla', 'honda cr-v', 'volkswagen touran', 'bmw 3 series', 'mercedes-benz glc', 'buick regal', 'bmw x7', 'volkswagen passat', 'byd tang', 'volkswagen golf', 'volkswagen tayron gte', 'buick enclave', 'citroen elysee', 'bmw x1', 'honda cr-v', 'buick lacrosse', 'tesla model y', 'buick regal', 'tesla model 3', 'bmw x3', 'byd han', 'byd song plus', 'buick excelle', 'volkswagen tiguan l', 'lexus rx', 'tesla model 3', 'riich g3'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000} \nStep 3, calculate the maximum price of all vehicles: 1305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":275
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota avalon', 'audi s4', 'honda avancier', 'xpeng p7', 'buick regal', 'mercedes-benz gla', 'buick excelle', 'toyota camry', 'byd song plus', 'infiniti qx50', 'haval h2', 'lynk&co 1', 'volkswagen passat', 'buick envision', 'volkswagen sagitar', 'nissan teana', 'mercedes-benz c-class', 'audi a4l', 'nissan x-trail', 'buick encore', 'tesla model y', 'volkswagen tiguan l', 'toyota camry', 'mercedes-benz e-class', 'audi a3', 'volkswagen beetle', 'ford focus', 'skoda superb', 'volvo v40', 'volkswagen polo', 'tesla model y', 'bmw x2', 'volvo xc90', 'mini mini', 'ora good cat', 'volkswagen tiguan l', 'buick velite 6', 'audi a6l', 'toyota rav4', 'buick regal', 'tesla model 3', 'buick regal', 'volvo xc40', 'volkswagen lavida', 'audi q3', 'volkswagen sagitar', 'byd qin', 'volvo xc60', 'byd yuan plus', 'buick gl8', 'tesla model y', 'toyota corolla', 'honda cr-v', 'volkswagen touran', 'bmw 3 series', 'mercedes-benz glc', 'buick regal', 'bmw x7', 'volkswagen passat', 'byd tang', 'volkswagen golf', 'volkswagen tayron gte', 'buick enclave', 'citroen elysee', 'bmw x1', 'honda cr-v', 'buick lacrosse', 'tesla model y', 'buick regal', 'tesla model 3', 'bmw x3', 'byd han', 'byd song plus', 'buick excelle', 'volkswagen tiguan l', 'lexus rx', 'tesla model 3', 'riich g3'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":276
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) silver. C) white. D) purple.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'black', 'gray', 'black', 'white', 'brown', 'black', 'blue', 'blue', 'white', 'black', 'black', 'black', 'white', 'black', 'white', 'gray', 'white', 'white', 'blue', 'silver', 'silver', 'black', 'white', 'red', 'silver', 'black', 'blue', 'red', 'black', 'white', 'black', 'gray', 'brown', 'white', 'white', 'black', 'white', 'golden', 'green', 'golden', 'white', 'white', 'orange', 'gray', 'white', 'blue', 'gray', 'silver', 'black', 'silver', 'white', 'brown', 'blue', 'white', 'blue', 'black', 'brown', 'white', 'silver', 'white', 'brown', 'silver', 'brown', 'white', 'brown', 'black', 'white', 'black', 'blue', 'gray', 'gray', 'blue', 'white', 'silver', 'black', 'red'] \/nStep 2, count vehicles for each color: {'white': 22, 'gray': 9, 'black': 17, 'brown': 7, 'blue': 9, 'silver': 8, 'red': 3, 'golden': 2, 'green': 1, 'orange': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":277
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'compact', 'compact', 'compact', 'mid-size', 'compact', 'micro-size', 'mid-size', 'suv', 'suv', 'micro-size', 'subcompact', 'suv', 'compact', 'full-size', 'crossover', 'mid-size', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'suv', 'mpv', 'mid-size', 'compact', 'crossover', 'mpv', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'compact', 'suv', 'crossover', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'compact'] \nStep 2, identify the color of full-size vehicles: ['black', 'black'] \nStep 3, count full-size vehicles for each color: {'black': 2} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":278
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 80 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"A) 1. B) 9. C) 8. D) 7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 79 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 80-79=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":279
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'compact', 'compact', 'compact', 'mid-size', 'compact', 'micro-size', 'mid-size', 'suv', 'suv', 'micro-size', 'subcompact', 'suv', 'compact', 'full-size', 'crossover', 'mid-size', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'suv', 'mpv', 'mid-size', 'compact', 'crossover', 'mpv', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'compact', 'suv', 'crossover', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'compact'] \/nStep 2, count all full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":280
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"A) 13. B) 16. C) 15. D) 14.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota avalon', 'audi s4', 'honda avancier', 'xpeng p7', 'buick regal', 'mercedes-benz gla', 'buick excelle', 'toyota camry', 'byd song plus', 'infiniti qx50', 'haval h2', 'lynk&co 1', 'volkswagen passat', 'buick envision', 'volkswagen sagitar', 'nissan teana', 'mercedes-benz c-class', 'audi a4l', 'nissan x-trail', 'buick encore', 'tesla model y', 'volkswagen tiguan l', 'toyota camry', 'mercedes-benz e-class', 'audi a3', 'volkswagen beetle', 'ford focus', 'skoda superb', 'volvo v40', 'volkswagen polo', 'tesla model y', 'bmw x2', 'volvo xc90', 'mini mini', 'ora good cat', 'volkswagen tiguan l', 'buick velite 6', 'audi a6l', 'toyota rav4', 'buick regal', 'tesla model 3', 'buick regal', 'volvo xc40', 'volkswagen lavida', 'audi q3', 'volkswagen sagitar', 'byd qin', 'volvo xc60', 'byd yuan plus', 'buick gl8', 'tesla model y', 'toyota corolla', 'honda cr-v', 'volkswagen touran', 'bmw 3 series', 'mercedes-benz glc', 'buick regal', 'bmw x7', 'volkswagen passat', 'byd tang', 'volkswagen golf', 'volkswagen tayron gte', 'buick enclave', 'citroen elysee', 'bmw x1', 'honda cr-v', 'buick lacrosse', 'tesla model y', 'buick regal', 'tesla model 3', 'bmw x3', 'byd han', 'byd song plus', 'buick excelle', 'volkswagen tiguan l', 'lexus rx', 'tesla model 3', 'riich g3'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000} \nStep 3, count vehicles priced above 300000 RMB: 13",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":281
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many white crossover vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'black', 'gray', 'black', 'white', 'brown', 'black', 'blue', 'blue', 'white', 'black', 'black', 'black', 'white', 'black', 'white', 'gray', 'white', 'white', 'blue', 'silver', 'silver', 'black', 'white', 'red', 'silver', 'black', 'blue', 'red', 'black', 'white', 'black', 'gray', 'brown', 'white', 'white', 'black', 'white', 'golden', 'green', 'golden', 'white', 'white', 'orange', 'gray', 'white', 'blue', 'gray', 'silver', 'black', 'silver', 'white', 'brown', 'blue', 'white', 'blue', 'black', 'brown', 'white', 'silver', 'white', 'brown', 'silver', 'brown', 'white', 'brown', 'black', 'white', 'black', 'blue', 'gray', 'gray', 'blue', 'white', 'silver', 'black', 'red'] \nStep 2, identify the type of white vehicles: ['suv', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'suv', 'suv', 'compact', 'crossover', 'suv', 'compact', 'compact', 'crossover', 'suv', 'suv', 'suv', 'crossover', 'mid-size', 'suv'] \nStep 3, count white crossover vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":282
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"audi",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2896.8, 1635.6], [3158.0, 1907.1], [2935.6, 1680.7], [2060.6, 461.2], [3069.4, 1817.0], [3205.0, 1945.4], [2365.3, 946.1], [2532.6, 1197.6], [2193.3, 196.0], [2497.9, 1146.6], [2856.3, 1588.5], [2819.6, 1537.4], [2091.8, 512.0], [2772.0, 1494.1], [2610.3, 1300.0], [2186.1, 685.7], [3025.7, 1769.1], [2127.1, 571.0], [2980.9, 1725.9], [2159.8, 629.4], [2454.3, 1095.4], [1952.0, 224.3], [2570.0, 1249.6], [2647.7, 1346.2], [1889.5, 109.4], [2289.1, 847.8], [3116.4, 1857.8], [2250.4, 789.3], [2324.2, 897.0], [1917.5, 168.1], [3246.6, 1994.3], [1865.0, 48.1], [2041.6, 399.0], [2396.4, 1001.9], [2221.8, 741.0], [2355.2, 379.0], [3337.3, 1648.0], [2681.4, 903.0], [2179.2, 56.8], [1794.3, 487.3], [3475.6, 1776.7], [2335.7, 313.5], [3430.1, 1737.5], [2995.1, 1284.8], [2730.5, 1436.8], [3343.6, 2085.9], [2008.7, 337.5], [2621.5, 791.3], [3029.3, 1339.1], [3570.1, 1864.9], [3300.3, 2034.8], [3519.1, 1819.7], [3071.6, 1381.4], [3386.0, 1693.7], [1976.6, 289.7], [2646.5, 850.5], [3291.2, 1607.2], [3116.6, 1432.9], [2955.1, 1238.3], [2386.7, 429.8], [2291.2, 262.2], [2560.4, 687.1], [2839.2, 1099.7], [3209.9, 1516.5], [2877.4, 1139.8], [2910.8, 1190.0], [2448.7, 533.8], [2586.1, 742.3], [3165.1, 1473.1], [2800.3, 1050.6], [2727.1, 944.2], [3246.3, 1566.3], [2692.4, 1394.2], [2743.8, 1005.7], [2526.7, 636.3], [2428.2, 476.9], [1723.8, 346.5], [2483.4, 589.6], [1660.1, 199.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[38.8, 22.1, 120.0], [50.1, 33.8, 120.0], [40.5, 24.0, 120.0], [2.6, -28.7, 120.0], [46.3, 29.9, 120.0], [52.1, 35.5, 120.0], [15.8, -7.7, 120.0], [23.0, 3.1, 120.0], [8.4, -40.2, 120.0], [21.5, 0.9, 120.0], [37.0, 20.0, 120.0], [35.4, 17.8, 120.0], [4.0, -26.5, 120.0], [33.4, 16.0, 120.0], [26.4, 7.6, 120.0], [8.0, -19.0, 120.0], [44.4, 27.9, 120.0], [5.5, -24.0, 120.0], [42.4, 26.0, 120.0], [6.9, -21.4, 120.0], [19.6, -1.3, 120.0], [-2.1, -39.0, 120.0], [24.7, 5.4, 120.0], [28.0, 9.6, 120.0], [-4.8, -43.9, 120.0], [12.5, -12.0, 120.0], [48.3, 31.7, 120.0], [10.8, -14.5, 120.0], [14.0, -9.9, 120.0], [-3.6, -41.4, 120.0], [53.9, 37.6, 120.0], [-5.8, -46.6, 120.0], [1.8, -31.4, 120.0], [17.1, -5.3, 120.0], [9.6, -16.6, 120.0], [15.4, -32.3, 120.0], [57.8, 22.6, 120.0], [29.5, -9.6, 120.0], [7.8, -46.2, 120.0], [-8.9, -27.6, 120.0], [63.8, 28.2, 120.0], [14.5, -35.1, 120.0], [61.9, 26.5, 120.0], [43.0, 6.9, 120.0], [31.6, 13.5, 120.0], [58.1, 41.6, 120.0], [0.4, -34.1, 120.0], [26.9, -14.4, 120.0], [44.5, 9.3, 120.0], [67.9, 32.0, 120.0], [56.2, 39.3, 120.0], [65.7, 30.0, 120.0], [46.3, 11.1, 120.0], [59.9, 24.6, 120.0], [-1.0, -36.1, 120.0], [28.0, -11.9, 120.0], [55.8, 20.9, 120.0], [48.3, 13.3, 120.0], [41.3, 4.9, 120.0], [16.7, -30.1, 120.0], [12.6, -37.3, 120.0], [24.2, -18.9, 120.0], [36.3, -1.1, 120.0], [52.3, 16.9, 120.0], [37.9, 0.6, 120.0], [39.4, 2.8, 120.0], [19.4, -25.6, 120.0], [25.3, -16.6, 120.0], [50.4, 15.1, 120.0], [34.6, -3.2, 120.0], [31.4, -7.8, 120.0], [53.9, 19.1, 120.0], [29.9, 11.6, 120.0], [32.2, -5.2, 120.0], [22.8, -21.1, 120.0], [18.5, -28.0, 120.0], [-11.9, -33.7, 120.0], [20.9, -23.2, 120.0], [-14.7, -40.0, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.0, 134.4, 128.9, 123.4, 132.0, 135.6, 121.3, 122.2, 126.8, 121.9, 127.2, 126.4, 123.0, 125.6, 123.1, 121.8, 130.9, 122.5, 129.9, 122.1, 121.6, 126.2, 122.6, 123.6, 127.9, 121.2, 133.2, 121.4, 121.2, 127.0, 136.8, 128.9, 124.1, 121.3, 121.5, 125.2, 135.1, 123.9, 128.8, 123.4, 138.8, 125.9, 137.6, 127.7, 124.8, 139.7, 124.7, 123.8, 128.3, 141.5, 138.2, 140.1, 129.1, 136.4, 125.3, 123.8, 134.0, 130.0, 127.0, 124.8, 126.3, 123.9, 125.4, 132.0, 125.9, 126.3, 124.2, 123.8, 131.0, 124.9, 124.3, 132.9, 124.2, 124.3, 124.0, 124.6, 125.2, 124.0, 127.4] \/nStep 5, find the minimum distance to the drone: 121.2 \/nStep 6, identify the brand of this vehicle: audi",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":283
+    },
+    {
+        "image":"ef434dcd-DJI_0120.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":10.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2896.8, 1635.6], [3158.0, 1907.1], [2935.6, 1680.7], [2060.6, 461.2], [3069.4, 1817.0], [3205.0, 1945.4], [2365.3, 946.1], [2532.6, 1197.6], [2193.3, 196.0], [2497.9, 1146.6], [2856.3, 1588.5], [2819.6, 1537.4], [2091.8, 512.0], [2772.0, 1494.1], [2610.3, 1300.0], [2186.1, 685.7], [3025.7, 1769.1], [2127.1, 571.0], [2980.9, 1725.9], [2159.8, 629.4], [2454.3, 1095.4], [1952.0, 224.3], [2570.0, 1249.6], [2647.7, 1346.2], [1889.5, 109.4], [2289.1, 847.8], [3116.4, 1857.8], [2250.4, 789.3], [2324.2, 897.0], [1917.5, 168.1], [3246.6, 1994.3], [1865.0, 48.1], [2041.6, 399.0], [2396.4, 1001.9], [2221.8, 741.0], [2355.2, 379.0], [3337.3, 1648.0], [2681.4, 903.0], [2179.2, 56.8], [1794.3, 487.3], [3475.6, 1776.7], [2335.7, 313.5], [3430.1, 1737.5], [2995.1, 1284.8], [2730.5, 1436.8], [3343.6, 2085.9], [2008.7, 337.5], [2621.5, 791.3], [3029.3, 1339.1], [3570.1, 1864.9], [3300.3, 2034.8], [3519.1, 1819.7], [3071.6, 1381.4], [3386.0, 1693.7], [1976.6, 289.7], [2646.5, 850.5], [3291.2, 1607.2], [3116.6, 1432.9], [2955.1, 1238.3], [2386.7, 429.8], [2291.2, 262.2], [2560.4, 687.1], [2839.2, 1099.7], [3209.9, 1516.5], [2877.4, 1139.8], [2910.8, 1190.0], [2448.7, 533.8], [2586.1, 742.3], [3165.1, 1473.1], [2800.3, 1050.6], [2727.1, 944.2], [3246.3, 1566.3], [2692.4, 1394.2], [2743.8, 1005.7], [2526.7, 636.3], [2428.2, 476.9], [1723.8, 346.5], [2483.4, 589.6], [1660.1, 199.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[38.8, 22.1, 120.0], [50.1, 33.8, 120.0], [40.5, 24.0, 120.0], [2.6, -28.7, 120.0], [46.3, 29.9, 120.0], [52.1, 35.5, 120.0], [15.8, -7.7, 120.0], [23.0, 3.1, 120.0], [8.4, -40.2, 120.0], [21.5, 0.9, 120.0], [37.0, 20.0, 120.0], [35.4, 17.8, 120.0], [4.0, -26.5, 120.0], [33.4, 16.0, 120.0], [26.4, 7.6, 120.0], [8.0, -19.0, 120.0], [44.4, 27.9, 120.0], [5.5, -24.0, 120.0], [42.4, 26.0, 120.0], [6.9, -21.4, 120.0], [19.6, -1.3, 120.0], [-2.1, -39.0, 120.0], [24.7, 5.4, 120.0], [28.0, 9.6, 120.0], [-4.8, -43.9, 120.0], [12.5, -12.0, 120.0], [48.3, 31.7, 120.0], [10.8, -14.5, 120.0], [14.0, -9.9, 120.0], [-3.6, -41.4, 120.0], [53.9, 37.6, 120.0], [-5.8, -46.6, 120.0], [1.8, -31.4, 120.0], [17.1, -5.3, 120.0], [9.6, -16.6, 120.0], [15.4, -32.3, 120.0], [57.8, 22.6, 120.0], [29.5, -9.6, 120.0], [7.8, -46.2, 120.0], [-8.9, -27.6, 120.0], [63.8, 28.2, 120.0], [14.5, -35.1, 120.0], [61.9, 26.5, 120.0], [43.0, 6.9, 120.0], [31.6, 13.5, 120.0], [58.1, 41.6, 120.0], [0.4, -34.1, 120.0], [26.9, -14.4, 120.0], [44.5, 9.3, 120.0], [67.9, 32.0, 120.0], [56.2, 39.3, 120.0], [65.7, 30.0, 120.0], [46.3, 11.1, 120.0], [59.9, 24.6, 120.0], [-1.0, -36.1, 120.0], [28.0, -11.9, 120.0], [55.8, 20.9, 120.0], [48.3, 13.3, 120.0], [41.3, 4.9, 120.0], [16.7, -30.1, 120.0], [12.6, -37.3, 120.0], [24.2, -18.9, 120.0], [36.3, -1.1, 120.0], [52.3, 16.9, 120.0], [37.9, 0.6, 120.0], [39.4, 2.8, 120.0], [19.4, -25.6, 120.0], [25.3, -16.6, 120.0], [50.4, 15.1, 120.0], [34.6, -3.2, 120.0], [31.4, -7.8, 120.0], [53.9, 19.1, 120.0], [29.9, 11.6, 120.0], [32.2, -5.2, 120.0], [22.8, -21.1, 120.0], [18.5, -28.0, 120.0], [-11.9, -33.7, 120.0], [20.9, -23.2, 120.0], [-14.7, -40.0, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.0, 134.4, 128.9, 123.4, 132.0, 135.6, 121.3, 122.2, 126.8, 121.9, 127.2, 126.4, 123.0, 125.6, 123.1, 121.8, 130.9, 122.5, 129.9, 122.1, 121.6, 126.2, 122.6, 123.6, 127.9, 121.2, 133.2, 121.4, 121.2, 127.0, 136.8, 128.9, 124.1, 121.3, 121.5, 125.2, 135.1, 123.9, 128.8, 123.4, 138.8, 125.9, 137.6, 127.7, 124.8, 139.7, 124.7, 123.8, 128.3, 141.5, 138.2, 140.1, 129.1, 136.4, 125.3, 123.8, 134.0, 130.0, 127.0, 124.8, 126.3, 123.9, 125.4, 132.0, 125.9, 126.3, 124.2, 123.8, 131.0, 124.9, 124.3, 132.9, 124.2, 124.3, 124.0, 124.6, 125.2, 124.0, 127.4] \/nStep 5, find the minimum distance to the drone: 121.2 \/nStep 6, calculate the flight time of the drone: 121.2\/12=10.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":284
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Rachel said she bought a new golden car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'gray', 'black', 'black', 'gray', 'white', 'silver', 'blue', 'black', 'black', 'blue', 'black', 'gray', 'brown', 'gray', 'gray', 'blue', 'gray', 'black', 'black', 'white', 'brown', 'blue', 'pink', 'black', 'black', 'white', 'white', 'white', 'white', 'black', 'white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black'] \/nStep 2, there is no golden car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":285
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":286
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":287
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":288
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"A) 887. B) 5326. C) 3551. D) 17755000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'nio ec6', 'ford mustang', 'toyota camry', 'bmw x3', 'byd yuan plus', 'bmw m5', 'toyota avalon', 'byd qin', 'tesla model y', 'bmw 5 series', 'infiniti g series', 'nissan teana', 'byd qin plus', 'volkswagen tiguan l', 'roewe i5', 'byd song plus', 'volkswagen touareg', 'tesla model 3', 'buick lacrosse', 'bmw 3 series', 'byd song plus', 'volvo xc60', 'cadillac xt6', 'aito m5', 'bmw x5', 'bmw x5', 'byd song plus', 'hyundai ix25', 'volkswagen touan l', 'byd song plus', 'mercedes-benz e-class', 'buick regal', 'buick regal', 'volkswagen passat', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000} \nStep 3, sum the price of each vehicle: 17755000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":289
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":1305000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'gray', 'black', 'black', 'gray', 'white', 'silver', 'blue', 'black', 'black', 'blue', 'black', 'gray', 'brown', 'gray', 'gray', 'blue', 'gray', 'black', 'black', 'white', 'brown', 'blue', 'pink', 'black', 'black', 'white', 'white', 'white', 'white', 'black', 'white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black'] \nStep 2, identify the model of gray vehicles: ['ford mustang', 'byd yuan plus', 'byd qin plus', 'roewe i5', 'byd song plus', 'tesla model 3'] \nStep 3, query vehicle prices: {'ford mustang': 560000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'roewe i5': 65000, 'byd song plus': 155000, 'tesla model 3': 285000} \nStep 4, sum the price of each gray vehicle: 1305000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":290
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.8, 4.8, 4.9, 4.7, 4.5, 5.0, 5.0, 4.7, 4.8, 5.2, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.1, 4.7, 5.0, 4.7, 4.8, 4.7, 5.1, 4.8, 5.1, 5.1, 4.8, 4.3, 4.5, 4.8, 5.1, 4.9, 4.9, 4.9, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1] \nStep 5, calculate the average length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":291
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.8, 4.8, 4.9, 4.7, 4.5, 5.0, 5.0, 4.7, 4.8, 5.2, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.1, 4.7, 5.0, 4.7, 4.8, 4.7, 5.1, 4.8, 5.1, 5.1, 4.8, 4.3, 4.5, 4.8, 5.1, 4.9, 4.9, 4.9, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":292
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.8, 4.8, 4.9, 4.7, 4.5, 5.0, 5.0, 4.7, 4.8, 5.2, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.1, 4.7, 5.0, 4.7, 4.8, 4.7, 5.1, 4.8, 5.1, 5.1, 4.8, 4.3, 4.5, 4.8, 5.1, 4.9, 4.9, 4.9, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1, 5.1] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":293
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'nio ec6', 'ford mustang', 'toyota camry', 'bmw x3', 'byd yuan plus', 'bmw m5', 'toyota avalon', 'byd qin', 'tesla model y', 'bmw 5 series', 'infiniti g series', 'nissan teana', 'byd qin plus', 'volkswagen tiguan l', 'roewe i5', 'byd song plus', 'volkswagen touareg', 'tesla model 3', 'buick lacrosse', 'bmw 3 series', 'byd song plus', 'volvo xc60', 'cadillac xt6', 'aito m5', 'bmw x5', 'bmw x5', 'byd song plus', 'hyundai ix25', 'volkswagen touan l', 'byd song plus', 'mercedes-benz e-class', 'buick regal', 'buick regal', 'volkswagen passat', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":294
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) red. C) black. D) golden.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'gray', 'black', 'black', 'gray', 'white', 'silver', 'blue', 'black', 'black', 'blue', 'black', 'gray', 'brown', 'gray', 'gray', 'blue', 'gray', 'black', 'black', 'white', 'brown', 'blue', 'pink', 'black', 'black', 'white', 'white', 'white', 'white', 'black', 'white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'pink': 2, 'blue': 5, 'gray': 6, 'black': 23, 'white': 8, 'silver': 1, 'brown': 2}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":295
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) black. C) red. D) gray.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['subcompact', 'suv', 'sports', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'mid-size', 'full-size', 'mid-size', 'mid-size', 'compact', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'mpv', 'suv', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv'] \nStep 2, identify the color of suv vehicles: ['blue', 'black', 'gray', 'brown', 'gray', 'blue', 'white', 'brown', 'blue', 'pink', 'black', 'black', 'white', 'white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black'] \nStep 3, count suv vehicles for each color: {'blue': 3, 'black': 15, 'gray': 2, 'brown': 2, 'white': 4, 'pink': 1} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":296
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 48 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 47 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 48-47=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":297
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['subcompact', 'suv', 'sports', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'mid-size', 'full-size', 'mid-size', 'mid-size', 'compact', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'mpv', 'suv', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv'] \/nStep 2, count all subcompact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":298
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'nio ec6', 'ford mustang', 'toyota camry', 'bmw x3', 'byd yuan plus', 'bmw m5', 'toyota avalon', 'byd qin', 'tesla model y', 'bmw 5 series', 'infiniti g series', 'nissan teana', 'byd qin plus', 'volkswagen tiguan l', 'roewe i5', 'byd song plus', 'volkswagen touareg', 'tesla model 3', 'buick lacrosse', 'bmw 3 series', 'byd song plus', 'volvo xc60', 'cadillac xt6', 'aito m5', 'bmw x5', 'bmw x5', 'byd song plus', 'hyundai ix25', 'volkswagen touan l', 'byd song plus', 'mercedes-benz e-class', 'buick regal', 'buick regal', 'volkswagen passat', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5', 'bmw x5'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000} \nStep 3, count vehicles priced below 100000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":299
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'gray', 'black', 'black', 'gray', 'white', 'silver', 'blue', 'black', 'black', 'blue', 'black', 'gray', 'brown', 'gray', 'gray', 'blue', 'gray', 'black', 'black', 'white', 'brown', 'blue', 'pink', 'black', 'black', 'white', 'white', 'white', 'white', 'black', 'white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black', 'black'] \nStep 2, identify the type of blue vehicles: ['suv', 'compact', 'mid-size', 'suv', 'suv'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":300
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"compact",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1783.3, 987.9], [1875.8, 1038.1], [2742.4, 1847.0], [936.5, 1150.5], [2343.6, 1752.2], [1223.4, 1296.4], [1525.6, 1446.4], [2483.3, 1785.5], [1649.3, 1501.5], [1981.2, 1636.4], [2100.1, 1664.4], [2611.0, 1812.4], [1125.1, 1258.3], [310.1, 257.7], [813.6, 533.3], [445.8, 333.8], [1396.1, 836.4], [876.5, 593.3], [1690.0, 942.0], [2231.1, 1701.8], [383.1, 298.0], [579.1, 421.6], [648.7, 458.5], [729.0, 494.3], [1225.5, 736.5], [1435.1, 1382.3], [1435.1, 1382.3], [501.4, 387.7], [1577.0, 908.5], [2880.1, 1891.5], [1057.1, 666.7], [978.2, 618.6], [1031.1, 1214.4], [1031.1, 1214.4], [1867.5, 1591.4], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.6, -3.5, 71.3], [-3.2, -2.2, 70.6], [16.1, 15.7, 60.2], [-26.4, 0.6, 68.9], [7.6, 13.9, 61.3], [-18.7, 4.1, 66.9], [-11.1, 7.5, 64.9], [10.6, 14.5, 60.9], [-8.1, 8.7, 64.2], [-0.4, 11.5, 62.6], [2.2, 12.1, 62.3], [13.3, 15.0, 60.6], [-21.3, 3.2, 67.4], [-51.5, -26.4, 84.5], [-33.8, -16.8, 79.0], [-46.5, -23.7, 82.9], [-16.0, -7.7, 73.7], [-31.5, -14.9, 77.9], [-8.0, -4.8, 72.0], [5.2, 12.9, 61.9], [-48.8, -24.9, 83.7], [-41.6, -20.6, 81.2], [-39.2, -19.3, 80.4], [-36.5, -18.1, 79.7], [-21.0, -10.6, 75.4], [-13.4, 6.1, 65.8], [-13.4, 6.1, 65.8], [-44.2, -21.7, 81.8], [-11.1, -5.7, 72.6], [19.0, 16.5, 59.8], [-26.0, -12.7, 76.6], [-28.5, -14.1, 77.4], [-23.8, 2.2, 68.0], [-23.8, 2.2, 68.0], [-3.0, 10.6, 63.2], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [71.6, 70.7, 64.3, 73.8, 63.3, 69.6, 66.3, 63.5, 65.3, 63.7, 63.5, 63.9, 70.8, 102.5, 87.6, 98.0, 75.8, 85.4, 72.6, 63.4, 100.0, 93.5, 91.5, 89.6, 79.0, 67.4, 67.4, 95.5, 73.6, 64.8, 81.9, 83.7, 72.1, 72.1, 64.1, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6] \/nStep 5, find the maximum distance to the drone: 102.5 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":301
+    },
+    {
+        "image":"804bf3b1-DJI_0130.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":8.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1783.3, 987.9], [1875.8, 1038.1], [2742.4, 1847.0], [936.5, 1150.5], [2343.6, 1752.2], [1223.4, 1296.4], [1525.6, 1446.4], [2483.3, 1785.5], [1649.3, 1501.5], [1981.2, 1636.4], [2100.1, 1664.4], [2611.0, 1812.4], [1125.1, 1258.3], [310.1, 257.7], [813.6, 533.3], [445.8, 333.8], [1396.1, 836.4], [876.5, 593.3], [1690.0, 942.0], [2231.1, 1701.8], [383.1, 298.0], [579.1, 421.6], [648.7, 458.5], [729.0, 494.3], [1225.5, 736.5], [1435.1, 1382.3], [1435.1, 1382.3], [501.4, 387.7], [1577.0, 908.5], [2880.1, 1891.5], [1057.1, 666.7], [978.2, 618.6], [1031.1, 1214.4], [1031.1, 1214.4], [1867.5, 1591.4], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7], [1328.9, 1323.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.6, -3.5, 71.3], [-3.2, -2.2, 70.6], [16.1, 15.7, 60.2], [-26.4, 0.6, 68.9], [7.6, 13.9, 61.3], [-18.7, 4.1, 66.9], [-11.1, 7.5, 64.9], [10.6, 14.5, 60.9], [-8.1, 8.7, 64.2], [-0.4, 11.5, 62.6], [2.2, 12.1, 62.3], [13.3, 15.0, 60.6], [-21.3, 3.2, 67.4], [-51.5, -26.4, 84.5], [-33.8, -16.8, 79.0], [-46.5, -23.7, 82.9], [-16.0, -7.7, 73.7], [-31.5, -14.9, 77.9], [-8.0, -4.8, 72.0], [5.2, 12.9, 61.9], [-48.8, -24.9, 83.7], [-41.6, -20.6, 81.2], [-39.2, -19.3, 80.4], [-36.5, -18.1, 79.7], [-21.0, -10.6, 75.4], [-13.4, 6.1, 65.8], [-13.4, 6.1, 65.8], [-44.2, -21.7, 81.8], [-11.1, -5.7, 72.6], [19.0, 16.5, 59.8], [-26.0, -12.7, 76.6], [-28.5, -14.1, 77.4], [-23.8, 2.2, 68.0], [-23.8, 2.2, 68.0], [-3.0, 10.6, 63.2], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5], [-16.1, 4.8, 66.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [71.6, 70.7, 64.3, 73.8, 63.3, 69.6, 66.3, 63.5, 65.3, 63.7, 63.5, 63.9, 70.8, 102.5, 87.6, 98.0, 75.8, 85.4, 72.6, 63.4, 100.0, 93.5, 91.5, 89.6, 79.0, 67.4, 67.4, 95.5, 73.6, 64.8, 81.9, 83.7, 72.1, 72.1, 64.1, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6, 68.6] \/nStep 5, find the maximum distance to the drone: 102.5 \/nStep 6, calculate the flight time of the drone: 102.5\/12=8.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":47,
+        "region":"image-level",
+        "qid":302
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Monica said she bought a new purple car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'white', 'white', 'blue', 'blue', 'silver', 'black', 'silver', 'black', 'gray', 'white', 'gray', 'white', 'white', 'brown', 'white', 'white', 'gray', 'black', 'white', 'gray', 'brown', 'white', 'red', 'blue', 'gray', 'gray', 'black', 'gray', 'golden', 'gray', 'black', 'black', 'red', 'silver', 'orange', 'orange'] \/nStep 2, there is no purple car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":303
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":304
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":305
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4760. B) 4260. C) 14260. D) 5260.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":306
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 283. B) 8490000. C) 424. D) 1698.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volvo xc60', 'volvo xc40', 'haval h2', 'buick regal', 'infiniti qx50', 'toyota corolla', 'bmw x7', 'citroen elysee', 'tesla model y', 'audi s4', 'volkswagen lavida', 'audi a4l', 'buick regal', 'roewe erx5', 'buick enclave', 'mercedes-benz glc', 'volkswagen tiguan l', 'byd song plus', 'nissan teana', 'volkswagen tayron gte', 'xpeng p7', 'bmw x1', 'honda cr-v', 'volkswagen beetle', 'bmw x3', 'byd han', 'ford focus', 'tesla model 3', 'byd yuan plus', 'buick regal', 'toyota avalon', 'tesla model y', 'buick regal', 'volkswagen polo', 'buick gl8', 'audi q3', 'audi q3'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000} \nStep 3, sum the price of each vehicle: 8490000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":307
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are orange vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 215000. B) 430000. C) 215000. D) 215000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'white', 'white', 'blue', 'blue', 'silver', 'black', 'silver', 'black', 'gray', 'white', 'gray', 'white', 'white', 'brown', 'white', 'white', 'gray', 'black', 'white', 'gray', 'brown', 'white', 'red', 'blue', 'gray', 'gray', 'black', 'gray', 'golden', 'gray', 'black', 'black', 'red', 'silver', 'orange', 'orange'] \nStep 2, identify the model of orange vehicles: ['audi q3', 'audi q3'] \nStep 3, query vehicle prices: {'audi q3': 215000} \nStep 4, sum the price of each orange vehicle: 430000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":308
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"",
+        "answer":223421,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volvo xc60', 'volvo xc40', 'haval h2', 'buick regal', 'infiniti qx50', 'toyota corolla', 'bmw x7', 'citroen elysee', 'tesla model y', 'audi s4', 'volkswagen lavida', 'audi a4l', 'buick regal', 'roewe erx5', 'buick enclave', 'mercedes-benz glc', 'volkswagen tiguan l', 'byd song plus', 'nissan teana', 'volkswagen tayron gte', 'xpeng p7', 'bmw x1', 'honda cr-v', 'volkswagen beetle', 'bmw x3', 'byd han', 'ford focus', 'tesla model 3', 'byd yuan plus', 'buick regal', 'toyota avalon', 'tesla model y', 'buick regal', 'volkswagen polo', 'buick gl8', 'audi q3', 'audi q3'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000} \nStep 3, calculate the average price of all vehicles: 223421",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":309
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 197500. B) 1305000. C) 223421. D) 25000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volvo xc60', 'volvo xc40', 'haval h2', 'buick regal', 'infiniti qx50', 'toyota corolla', 'bmw x7', 'citroen elysee', 'tesla model y', 'audi s4', 'volkswagen lavida', 'audi a4l', 'buick regal', 'roewe erx5', 'buick enclave', 'mercedes-benz glc', 'volkswagen tiguan l', 'byd song plus', 'nissan teana', 'volkswagen tayron gte', 'xpeng p7', 'bmw x1', 'honda cr-v', 'volkswagen beetle', 'bmw x3', 'byd han', 'ford focus', 'tesla model 3', 'byd yuan plus', 'buick regal', 'toyota avalon', 'tesla model y', 'buick regal', 'volkswagen polo', 'buick gl8', 'audi q3', 'audi q3'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000} \nStep 3, calculate the median price of all vehicles: 197500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":310
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 1305000. B) 25000. C) 223421. D) 197500.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volvo xc60', 'volvo xc40', 'haval h2', 'buick regal', 'infiniti qx50', 'toyota corolla', 'bmw x7', 'citroen elysee', 'tesla model y', 'audi s4', 'volkswagen lavida', 'audi a4l', 'buick regal', 'roewe erx5', 'buick enclave', 'mercedes-benz glc', 'volkswagen tiguan l', 'byd song plus', 'nissan teana', 'volkswagen tayron gte', 'xpeng p7', 'bmw x1', 'honda cr-v', 'volkswagen beetle', 'bmw x3', 'byd han', 'ford focus', 'tesla model 3', 'byd yuan plus', 'buick regal', 'toyota avalon', 'tesla model y', 'buick regal', 'volkswagen polo', 'buick gl8', 'audi q3', 'audi q3'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000} \nStep 3, calculate the maximum price of all vehicles: 1305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":311
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.4, 4.4, 4.9, 4.7, 4.6, 5.2, 4.4, 4.8, 4.8, 4.7, 4.9, 4.9, 4.7, 4.6, 4.8, 4.7, 4.8, 4.9, 4.6, 4.9, 4.6, 4.7, 4.3, 4.7, 5.0, 4.7, 4.7, 4.5, 4.9, 5.0, 4.8, 4.9, 4.1, 5.2, 4.5, 4.5] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":312
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) pink. B) golden. C) red. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'white', 'white', 'blue', 'blue', 'silver', 'black', 'silver', 'black', 'gray', 'white', 'gray', 'white', 'white', 'brown', 'white', 'white', 'gray', 'black', 'white', 'gray', 'brown', 'white', 'red', 'blue', 'gray', 'gray', 'black', 'gray', 'golden', 'gray', 'black', 'black', 'red', 'silver', 'orange', 'orange'] \/nStep 2, count vehicles for each color: {'black': 7, 'blue': 4, 'white': 9, 'silver': 3, 'gray': 8, 'brown': 2, 'red': 2, 'golden': 1, 'orange': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":313
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) blue. C) silver. D) golden.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'crossover', 'compact', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'micro-size', 'mpv', 'suv', 'suv'] \nStep 2, identify the color of suv vehicles: ['blue', 'white', 'white', 'blue', 'black', 'white', 'brown', 'white', 'white', 'gray', 'white', 'brown', 'blue', 'gray', 'orange', 'orange'] \nStep 3, count suv vehicles for each color: {'blue': 3, 'white': 6, 'black': 1, 'brown': 2, 'gray': 2, 'orange': 2} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":314
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 48 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 9. B) 3. C) 5. D) 10.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 38 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 48-38=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":315
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 6. C) 7. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'crossover', 'compact', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'micro-size', 'mpv', 'suv', 'suv'] \/nStep 2, count all compact vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":316
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"",
+        "answer":37,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen passat', 'volvo xc60', 'volvo xc40', 'haval h2', 'buick regal', 'infiniti qx50', 'toyota corolla', 'bmw x7', 'citroen elysee', 'tesla model y', 'audi s4', 'volkswagen lavida', 'audi a4l', 'buick regal', 'roewe erx5', 'buick enclave', 'mercedes-benz glc', 'volkswagen tiguan l', 'byd song plus', 'nissan teana', 'volkswagen tayron gte', 'xpeng p7', 'bmw x1', 'honda cr-v', 'volkswagen beetle', 'bmw x3', 'byd han', 'ford focus', 'tesla model 3', 'byd yuan plus', 'buick regal', 'toyota avalon', 'tesla model y', 'buick regal', 'volkswagen polo', 'buick gl8', 'audi q3', 'audi q3'] \nStep 2, query all vehicle prices: {'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'byd han': 210000, 'ford focus': 55000, 'tesla model 3': 285000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000} \nStep 3, count vehicles priced below 500000 RMB: 37",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":317
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many blue micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'white', 'white', 'blue', 'blue', 'silver', 'black', 'silver', 'black', 'gray', 'white', 'gray', 'white', 'white', 'brown', 'white', 'white', 'gray', 'black', 'white', 'gray', 'brown', 'white', 'red', 'blue', 'gray', 'gray', 'black', 'gray', 'golden', 'gray', 'black', 'black', 'red', 'silver', 'orange', 'orange'] \nStep 2, identify the type of blue vehicles: ['suv', 'mid-size', 'suv', 'suv'] \nStep 3, count blue micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":318
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"yuan plus",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2321.7, 1891.2], [1792.7, 1151.1], [1627.6, 1245.4], [2469.2, 1723.5], [2076.6, 982.4], [2631.9, 1612.1], [1936.3, 1070.6], [1446.7, 1315.2], [1071.3, 1534.9], [2202.9, 883.6], [2903.3, 1402.7], [2106.9, 2016.0], [3030.3, 1281.9], [668.2, 1760.5], [2784.7, 1500.4], [2321.8, 803.8], [2536.2, 663.7], [2639.1, 587.2], [392.8, 1911.2], [3113.1, 1160.9], [881.4, 1633.3], [3243.7, 1078.3], [1268.7, 1437.0], [2733.8, 515.1], [3355.8, 987.0], [2432.1, 726.3], [1913.8, 2144.9], [2901.1, 401.4], [146.0, 2030.0], [3051.2, 282.9], [2819.6, 457.9], [3432.0, 900.7], [2982.6, 354.9], [3498.4, 810.4], [3607.3, 740.0], [3655.2, 649.7], [3750.8, 579.3], [3750.8, 579.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.9, 9.2, 33.2], [-3.1, 0.4, 42.0], [-5.5, 1.8, 40.7], [5.9, 7.5, 34.9], [1.2, -2.3, 44.7], [8.2, 6.3, 36.1], [-1.0, -0.8, 43.3], [-7.9, 2.7, 39.7], [-12.4, 5.5, 37.0], [3.4, -4.0, 46.5], [12.6, 3.9, 38.6], [1.2, 10.3, 32.1], [14.9, 2.3, 40.2], [-16.6, 7.9, 34.5], [10.6, 5.1, 37.4], [5.6, -5.6, 48.0], [9.8, -8.5, 50.9], [12.1, -10.2, 52.6], [-19.1, 9.4, 33.1], [16.8, 0.5, 41.9], [-14.5, 6.6, 35.9], [19.3, -0.7, 43.2], [-10.1, 4.3, 38.1], [14.4, -12.0, 54.4], [21.8, -2.2, 44.6], [7.7, -7.1, 49.5], [-1.0, 11.4, 31.0], [18.6, -15.0, 57.4], [-21.4, 10.4, 32.0], [23.1, -18.5, 60.9], [16.5, -13.4, 55.9], [23.8, -3.7, 46.2], [20.8, -16.3, 58.7], [25.8, -5.4, 47.9], [28.5, -6.8, 49.3], [30.5, -8.8, 51.2], [33.3, -10.4, 52.8], [33.3, -10.4, 52.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.7, 42.2, 41.1, 36.2, 44.8, 37.6, 43.3, 40.6, 39.4, 46.8, 40.7, 33.8, 42.9, 39.1, 39.2, 48.6, 52.5, 55.0, 39.3, 45.1, 39.2, 47.3, 39.7, 57.5, 49.7, 50.6, 33.1, 62.2, 39.9, 67.7, 59.8, 52.1, 64.4, 54.7, 57.3, 60.3, 63.3, 63.3] \/nStep 5, find the maximum distance to the drone: 67.7 \/nStep 6, identify the model of this vehicle: yuan plus",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":319
+    },
+    {
+        "image":"436392aa-DJI_0146.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 18. B) 18.5. C) 3.8. D) 19.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2321.7, 1891.2], [1792.7, 1151.1], [1627.6, 1245.4], [2469.2, 1723.5], [2076.6, 982.4], [2631.9, 1612.1], [1936.3, 1070.6], [1446.7, 1315.2], [1071.3, 1534.9], [2202.9, 883.6], [2903.3, 1402.7], [2106.9, 2016.0], [3030.3, 1281.9], [668.2, 1760.5], [2784.7, 1500.4], [2321.8, 803.8], [2536.2, 663.7], [2639.1, 587.2], [392.8, 1911.2], [3113.1, 1160.9], [881.4, 1633.3], [3243.7, 1078.3], [1268.7, 1437.0], [2733.8, 515.1], [3355.8, 987.0], [2432.1, 726.3], [1913.8, 2144.9], [2901.1, 401.4], [146.0, 2030.0], [3051.2, 282.9], [2819.6, 457.9], [3432.0, 900.7], [2982.6, 354.9], [3498.4, 810.4], [3607.3, 740.0], [3655.2, 649.7], [3750.8, 579.3], [3750.8, 579.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.9, 9.2, 33.2], [-3.1, 0.4, 42.0], [-5.5, 1.8, 40.7], [5.9, 7.5, 34.9], [1.2, -2.3, 44.7], [8.2, 6.3, 36.1], [-1.0, -0.8, 43.3], [-7.9, 2.7, 39.7], [-12.4, 5.5, 37.0], [3.4, -4.0, 46.5], [12.6, 3.9, 38.6], [1.2, 10.3, 32.1], [14.9, 2.3, 40.2], [-16.6, 7.9, 34.5], [10.6, 5.1, 37.4], [5.6, -5.6, 48.0], [9.8, -8.5, 50.9], [12.1, -10.2, 52.6], [-19.1, 9.4, 33.1], [16.8, 0.5, 41.9], [-14.5, 6.6, 35.9], [19.3, -0.7, 43.2], [-10.1, 4.3, 38.1], [14.4, -12.0, 54.4], [21.8, -2.2, 44.6], [7.7, -7.1, 49.5], [-1.0, 11.4, 31.0], [18.6, -15.0, 57.4], [-21.4, 10.4, 32.0], [23.1, -18.5, 60.9], [16.5, -13.4, 55.9], [23.8, -3.7, 46.2], [20.8, -16.3, 58.7], [25.8, -5.4, 47.9], [28.5, -6.8, 49.3], [30.5, -8.8, 51.2], [33.3, -10.4, 52.8], [33.3, -10.4, 52.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.7, 42.2, 41.1, 36.2, 44.8, 37.6, 43.3, 40.6, 39.4, 46.8, 40.7, 33.8, 42.9, 39.1, 39.2, 48.6, 52.5, 55.0, 39.3, 45.1, 39.2, 47.3, 39.7, 57.5, 49.7, 50.6, 33.1, 62.2, 39.9, 67.7, 59.8, 52.1, 64.4, 54.7, 57.3, 60.3, 63.3, 63.3] \/nStep 5, find the maximum distance to the drone: 67.7 \/nStep 6, calculate the flight time of the drone: 67.7\/18=3.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":38,
+        "region":"image-level",
+        "qid":320
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'white', 'blue', 'brown', 'brown', 'silver', 'blue', 'blue', 'golden', 'white', 'white', 'black', 'gray', 'gray', 'black', 'black', 'brown', 'brown', 'brown', 'gray'] \/nStep 2, there is no orange car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":321
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":322
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":323
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5260. B) 4760. C) 9260. D) 4260.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":324
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":3220000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen t-roc', 'volkswagen tiguan l', 'roewe erx5', 'cadillac xt6', 'audi q5', 'volvo xc60', 'toyota levin', 'buick excelle', 'bmw ix3', 'peugeot 3008', 'byd song plus', 'byd song plus', 'volkswagen lavida', 'byd qin plus', 'roewe i5', 'bmw 3 series', 'ford mondeo', 'volkswagen tiguan l', 'buick lacrosse', 'buick lacrosse', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000} \nStep 3, sum the price of each vehicle: 3220000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":325
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":530000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'white', 'blue', 'brown', 'brown', 'silver', 'blue', 'blue', 'golden', 'white', 'white', 'black', 'gray', 'gray', 'black', 'black', 'brown', 'brown', 'brown', 'gray'] \nStep 2, identify the model of black vehicles: ['volkswagen lavida', 'bmw 3 series', 'ford mondeo'] \nStep 3, query vehicle prices: {'volkswagen lavida': 75000, 'bmw 3 series': 285000, 'ford mondeo': 170000} \nStep 4, sum the price of each black vehicle: 530000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":326
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":153333,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen t-roc', 'volkswagen tiguan l', 'roewe erx5', 'cadillac xt6', 'audi q5', 'volvo xc60', 'toyota levin', 'buick excelle', 'bmw ix3', 'peugeot 3008', 'byd song plus', 'byd song plus', 'volkswagen lavida', 'byd qin plus', 'roewe i5', 'bmw 3 series', 'ford mondeo', 'volkswagen tiguan l', 'buick lacrosse', 'buick lacrosse', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000} \nStep 3, calculate the average price of all vehicles: 153333",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":327
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.7, 4.7, 5.1, 4.6, 4.7, 4.6, 4.6, 4.7, 4.4, 4.8, 4.8, 4.7, 4.8, 4.7, 4.7, 4.9, 4.7, 5.0, 5.0, 4.5] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":328
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"A) 530000. B) 370000. C) 155000. D) 40000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen t-roc', 'volkswagen tiguan l', 'roewe erx5', 'cadillac xt6', 'audi q5', 'volvo xc60', 'toyota levin', 'buick excelle', 'bmw ix3', 'peugeot 3008', 'byd song plus', 'byd song plus', 'volkswagen lavida', 'byd qin plus', 'roewe i5', 'bmw 3 series', 'ford mondeo', 'volkswagen tiguan l', 'buick lacrosse', 'buick lacrosse', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000} \nStep 3, calculate the maximum price of all vehicles: 370000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":329
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5.1. B) 4. C) 4.3. D) 4.7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.7, 4.7, 5.1, 4.6, 4.7, 4.6, 4.6, 4.7, 4.4, 4.8, 4.8, 4.7, 4.8, 4.7, 4.7, 4.9, 4.7, 5.0, 5.0, 4.5] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":330
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"brown",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'white', 'blue', 'brown', 'brown', 'silver', 'blue', 'blue', 'golden', 'white', 'white', 'black', 'gray', 'gray', 'black', 'black', 'brown', 'brown', 'brown', 'gray'] \/nStep 2, count vehicles for each color: {'white': 4, 'silver': 2, 'blue': 3, 'brown': 5, 'golden': 1, 'black': 3, 'gray': 3}. \/nStep 3, sort to get the most common color: brown",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":331
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 13 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 21 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 21-13=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":332
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'white', 'blue', 'brown', 'brown', 'silver', 'blue', 'blue', 'golden', 'white', 'white', 'black', 'gray', 'gray', 'black', 'black', 'brown', 'brown', 'brown', 'gray'] \/nStep 2, count all blue vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":333
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen t-roc', 'volkswagen tiguan l', 'roewe erx5', 'cadillac xt6', 'audi q5', 'volvo xc60', 'toyota levin', 'buick excelle', 'bmw ix3', 'peugeot 3008', 'byd song plus', 'byd song plus', 'volkswagen lavida', 'byd qin plus', 'roewe i5', 'bmw 3 series', 'ford mondeo', 'volkswagen tiguan l', 'buick lacrosse', 'buick lacrosse', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000} \nStep 3, count vehicles priced below 100000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":334
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'white', 'blue', 'brown', 'brown', 'silver', 'blue', 'blue', 'golden', 'white', 'white', 'black', 'gray', 'gray', 'black', 'black', 'brown', 'brown', 'brown', 'gray'] \nStep 2, identify the type of silver vehicles: ['suv', 'compact'] \nStep 3, count silver compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":335
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1809.0, 1053.3], [2084.2, 720.4], [1628.6, 1314.9], [2420.7, 2007.7], [1356.6, 1643.4], [2501.9, 1812.0], [1701.1, 1185.8], [1208.8, 1825.1], [1483.3, 1466.6], [1905.0, 936.0], [2617.5, 1466.0], [2565.4, 1636.1], [2007.1, 841.9], [2848.1, 1071.1], [2731.3, 1332.3], [2792.6, 1205.4], [1925.5, 1504.3], [2318.8, 2223.2], [1083.1, 2025.3], [1083.1, 2025.3], [3521.6, 56.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.0, -1.1, 43.6], [1.5, -7.2, 49.7], [-5.3, 2.7, 39.7], [4.9, 10.2, 32.2], [-8.3, 6.7, 35.7], [6.2, 8.4, 34.0], [-4.5, 0.9, 41.5], [-9.7, 8.5, 33.9], [-7.0, 4.7, 37.8], [-1.6, -3.1, 45.5], [8.4, 4.6, 37.8], [7.3, 6.6, 35.8], [0.1, -4.8, 47.2], [13.2, -0.8, 43.3], [10.4, 2.9, 39.5], [11.8, 1.2, 41.2], [-1.0, 5.1, 37.3], [3.5, 12.0, 30.4], [-10.6, 10.4, 32.0], [-10.6, 10.4, 32.0], [37.9, -26.6, 69.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.7, 50.2, 40.2, 34.1, 37.3, 35.6, 41.8, 36.3, 38.7, 45.7, 39.0, 37.2, 47.5, 45.3, 40.9, 42.9, 37.7, 32.9, 35.3, 35.3, 83.1] \/nStep 5, find the minimum distance to the drone: 32.9 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":336
+    },
+    {
+        "image":"05e3969e-DJI_0152.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 10. B) 3.3. C) 9.5. D) 10.5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1809.0, 1053.3], [2084.2, 720.4], [1628.6, 1314.9], [2420.7, 2007.7], [1356.6, 1643.4], [2501.9, 1812.0], [1701.1, 1185.8], [1208.8, 1825.1], [1483.3, 1466.6], [1905.0, 936.0], [2617.5, 1466.0], [2565.4, 1636.1], [2007.1, 841.9], [2848.1, 1071.1], [2731.3, 1332.3], [2792.6, 1205.4], [1925.5, 1504.3], [2318.8, 2223.2], [1083.1, 2025.3], [1083.1, 2025.3], [3521.6, 56.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.0, -1.1, 43.6], [1.5, -7.2, 49.7], [-5.3, 2.7, 39.7], [4.9, 10.2, 32.2], [-8.3, 6.7, 35.7], [6.2, 8.4, 34.0], [-4.5, 0.9, 41.5], [-9.7, 8.5, 33.9], [-7.0, 4.7, 37.8], [-1.6, -3.1, 45.5], [8.4, 4.6, 37.8], [7.3, 6.6, 35.8], [0.1, -4.8, 47.2], [13.2, -0.8, 43.3], [10.4, 2.9, 39.5], [11.8, 1.2, 41.2], [-1.0, 5.1, 37.3], [3.5, 12.0, 30.4], [-10.6, 10.4, 32.0], [-10.6, 10.4, 32.0], [37.9, -26.6, 69.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.7, 50.2, 40.2, 34.1, 37.3, 35.6, 41.8, 36.3, 38.7, 45.7, 39.0, 37.2, 47.5, 45.3, 40.9, 42.9, 37.7, 32.9, 35.3, 35.3, 83.1] \/nStep 5, find the minimum distance to the drone: 32.9 \/nStep 6, calculate the flight time of the drone: 32.9\/10=3.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":337
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Rachel said she bought a new green car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'blue', 'silver', 'white', 'pink', 'blue', 'black', 'black', 'black', 'black', 'black', 'black', 'white', 'black', 'pink', 'gray', 'white', 'black', 'white', 'white', 'black', 'silver', 'blue', 'brown', 'blue', 'white', 'black', 'red', 'gray', 'brown', 'blue', 'brown', 'white', 'blue', 'blue', 'black', 'black', 'gray', 'brown', 'white', 'gray', 'black', 'gray', 'golden', 'silver', 'gray'] \/nStep 2, there is no green car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":338
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":339
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":340
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":23197,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":341
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":10565000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford mustang', 'volkswagen touan l', 'byd song plus', 'infiniti g series', 'toyota avalon', 'bmw m5', 'aito m5', 'byd qin', 'bmw 5 series', 'toyota camry', 'bmw x3', 'tesla model y', 'volkswagen passat', 'buick lacrosse', 'buick regal', 'ford mondeo', 'byd dolphin', 'tesla model 3', 'hyundai ix25', 'bmw x5', 'volkswagen t-roc', 'byd qin', 'mercedes-benz e-class', 'volkswagen tiguan l', 'volkswagen touareg', 'buick lacrosse', 'bmw ix3', 'roewe erx5', 'nissan teana', 'toyota rav4', 'byd song plus', 'volkswagen tiguan l', 'cadillac xt6', 'audi q5', 'byd song plus', 'buick excelle', 'nio ec6', 'volkswagen lavida', 'volkswagen lavida', 'byd yuan plus', 'volvo xc60', 'byd song plus', 'roewe i5', 'bmw 3 series', 'byd qin plus', 'peugeot 3008', 'toyota levin', 'leap c01'] \nStep 2, query all vehicle prices: {'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000} \nStep 3, sum the price of each vehicle: 10565000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":342
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"A) 440000. B) 146666. C) 95000. D) 190000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'blue', 'silver', 'white', 'pink', 'blue', 'black', 'black', 'black', 'black', 'black', 'black', 'white', 'black', 'pink', 'gray', 'white', 'black', 'white', 'white', 'black', 'silver', 'blue', 'brown', 'blue', 'white', 'black', 'red', 'gray', 'brown', 'blue', 'brown', 'white', 'blue', 'blue', 'black', 'black', 'gray', 'brown', 'white', 'gray', 'black', 'gray', 'golden', 'silver', 'gray'] \nStep 2, identify the model of silver vehicles: ['toyota avalon', 'volkswagen tiguan l', 'toyota levin'] \nStep 3, query vehicle prices: {'toyota avalon': 190000, 'volkswagen tiguan l': 155000, 'toyota levin': 95000} \nStep 4, sum the price of each silver vehicle: 440000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":343
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":220104,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford mustang', 'volkswagen touan l', 'byd song plus', 'infiniti g series', 'toyota avalon', 'bmw m5', 'aito m5', 'byd qin', 'bmw 5 series', 'toyota camry', 'bmw x3', 'tesla model y', 'volkswagen passat', 'buick lacrosse', 'buick regal', 'ford mondeo', 'byd dolphin', 'tesla model 3', 'hyundai ix25', 'bmw x5', 'volkswagen t-roc', 'byd qin', 'mercedes-benz e-class', 'volkswagen tiguan l', 'volkswagen touareg', 'buick lacrosse', 'bmw ix3', 'roewe erx5', 'nissan teana', 'toyota rav4', 'byd song plus', 'volkswagen tiguan l', 'cadillac xt6', 'audi q5', 'byd song plus', 'buick excelle', 'nio ec6', 'volkswagen lavida', 'volkswagen lavida', 'byd yuan plus', 'volvo xc60', 'byd song plus', 'roewe i5', 'bmw 3 series', 'byd qin plus', 'peugeot 3008', 'toyota levin', 'leap c01'] \nStep 2, query all vehicle prices: {'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000} \nStep 3, calculate the average price of all vehicles: 220104",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":344
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.5, 4.8, 4.8, 5.0, 5.0, 4.8, 4.7, 5.2, 4.9, 4.7, 4.8, 4.9, 5.0, 4.9, 4.9, 4.1, 4.7, 4.3, 5.1, 4.3, 4.7, 5.1, 4.7, 5.1, 5.0, 4.7, 4.7, 4.9, 4.6, 4.8, 4.7, 5.1, 4.6, 4.8, 4.6, 4.8, 4.7, 4.7, 4.5, 4.7, 4.8, 4.7, 4.7, 4.8, 4.4, 4.6, 5.0] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":345
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.1. B) 4.8. C) 5.2. D) 228.8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.5, 4.8, 4.8, 5.0, 5.0, 4.8, 4.7, 5.2, 4.9, 4.7, 4.8, 4.9, 5.0, 4.9, 4.9, 4.1, 4.7, 4.3, 5.1, 4.3, 4.7, 5.1, 4.7, 5.1, 5.0, 4.7, 4.7, 4.9, 4.6, 4.8, 4.7, 5.1, 4.6, 4.8, 4.6, 4.8, 4.7, 4.7, 4.5, 4.7, 4.8, 4.7, 4.7, 4.8, 4.4, 4.6, 5.0] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":346
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford mustang', 'volkswagen touan l', 'byd song plus', 'infiniti g series', 'toyota avalon', 'bmw m5', 'aito m5', 'byd qin', 'bmw 5 series', 'toyota camry', 'bmw x3', 'tesla model y', 'volkswagen passat', 'buick lacrosse', 'buick regal', 'ford mondeo', 'byd dolphin', 'tesla model 3', 'hyundai ix25', 'bmw x5', 'volkswagen t-roc', 'byd qin', 'mercedes-benz e-class', 'volkswagen tiguan l', 'volkswagen touareg', 'buick lacrosse', 'bmw ix3', 'roewe erx5', 'nissan teana', 'toyota rav4', 'byd song plus', 'volkswagen tiguan l', 'cadillac xt6', 'audi q5', 'byd song plus', 'buick excelle', 'nio ec6', 'volkswagen lavida', 'volkswagen lavida', 'byd yuan plus', 'volvo xc60', 'byd song plus', 'roewe i5', 'bmw 3 series', 'byd qin plus', 'peugeot 3008', 'toyota levin', 'leap c01'] \nStep 2, query all vehicle prices: {'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":347
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'blue', 'silver', 'white', 'pink', 'blue', 'black', 'black', 'black', 'black', 'black', 'black', 'white', 'black', 'pink', 'gray', 'white', 'black', 'white', 'white', 'black', 'silver', 'blue', 'brown', 'blue', 'white', 'black', 'red', 'gray', 'brown', 'blue', 'brown', 'white', 'blue', 'blue', 'black', 'black', 'gray', 'brown', 'white', 'gray', 'black', 'gray', 'golden', 'silver', 'gray'] \/nStep 2, count vehicles for each color: {'gray': 7, 'white': 10, 'blue': 7, 'silver': 3, 'pink': 2, 'black': 13, 'brown': 4, 'red': 1, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":348
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['sports', 'mpv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'compact', 'full-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'subcompact', 'mid-size', 'suv', 'suv', 'suv', 'compact', 'full-size', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'crossover', 'suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'compact', 'full-size'] \nStep 2, identify the color of full-size vehicles: ['black', 'black', 'gray'] \nStep 3, count full-size vehicles for each color: {'black': 2, 'gray': 1} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":349
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 55 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 48 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 55-48=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":350
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many sports vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['sports', 'mpv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'compact', 'full-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'subcompact', 'mid-size', 'suv', 'suv', 'suv', 'compact', 'full-size', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'crossover', 'suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'compact', 'full-size'] \/nStep 2, count all sports vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":351
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"A) 45. B) 47. C) 46. D) 48.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford mustang', 'volkswagen touan l', 'byd song plus', 'infiniti g series', 'toyota avalon', 'bmw m5', 'aito m5', 'byd qin', 'bmw 5 series', 'toyota camry', 'bmw x3', 'tesla model y', 'volkswagen passat', 'buick lacrosse', 'buick regal', 'ford mondeo', 'byd dolphin', 'tesla model 3', 'hyundai ix25', 'bmw x5', 'volkswagen t-roc', 'byd qin', 'mercedes-benz e-class', 'volkswagen tiguan l', 'volkswagen touareg', 'buick lacrosse', 'bmw ix3', 'roewe erx5', 'nissan teana', 'toyota rav4', 'byd song plus', 'volkswagen tiguan l', 'cadillac xt6', 'audi q5', 'byd song plus', 'buick excelle', 'nio ec6', 'volkswagen lavida', 'volkswagen lavida', 'byd yuan plus', 'volvo xc60', 'byd song plus', 'roewe i5', 'bmw 3 series', 'byd qin plus', 'peugeot 3008', 'toyota levin', 'leap c01'] \nStep 2, query all vehicle prices: {'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000} \nStep 3, count vehicles priced below 500000 RMB: 45",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":352
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 3. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'blue', 'silver', 'white', 'pink', 'blue', 'black', 'black', 'black', 'black', 'black', 'black', 'white', 'black', 'pink', 'gray', 'white', 'black', 'white', 'white', 'black', 'silver', 'blue', 'brown', 'blue', 'white', 'black', 'red', 'gray', 'brown', 'blue', 'brown', 'white', 'blue', 'blue', 'black', 'black', 'gray', 'brown', 'white', 'gray', 'black', 'gray', 'golden', 'silver', 'gray'] \nStep 2, identify the type of silver vehicles: ['mid-size', 'suv', 'compact'] \nStep 3, count silver compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":353
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) volkswagen. B) lincoln. C) chery. D) audi.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2065.3, 1539.0], [2040.3, 1618.5], [2722.3, 662.9], [2077.7, 1465.4], [2086.4, 1397.5], [2234.5, 934.7], [2692.7, 740.8], [2208.8, 987.8], [2144.7, 1204.3], [2368.6, 670.7], [2102.8, 1325.1], [2154.9, 1141.9], [2166.0, 1088.7], [2115.1, 1264.4], [2342.6, 716.1], [2187.3, 1036.5], [2592.6, 1011.9], [2609.4, 965.1], [2614.2, 910.7], [2258.6, 880.3], [2569.8, 329.0], [2427.5, 560.1], [2742.7, 626.5], [2630.7, 237.3], [2748.0, 580.2], [2459.9, 521.8], [2513.5, 417.2], [2538.9, 383.6], [2316.6, 754.6], [2386.2, 627.7], [2646.2, 823.8], [2779.0, 547.8], [2792.2, 511.0], [2491.2, 452.1], [2818.9, 445.8], [2476.7, 486.5], [2558.9, 1061.6], [2611.2, 275.7], [2611.2, 275.7], [2300.7, 789.9], [2807.6, 476.5], [2834.4, 414.8], [2864.1, 389.7], [2878.8, 361.1], [2896.2, 329.3], [2588.2, 296.7], [2552.4, 360.2], [2415.3, 598.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.0, 12.9, 86.1], [1.2, 14.9, 84.0], [30.9, -19.8, 118.8], [2.5, 10.8, 88.2], [2.8, 8.9, 90.1], [9.0, -7.3, 106.3], [28.7, -15.9, 114.9], [7.8, -5.1, 104.1], [5.0, 2.8, 96.2], [15.7, -19.4, 118.4], [3.4, 6.7, 92.3], [5.5, 0.6, 98.4], [6.0, -1.3, 100.3], [3.9, 4.7, 94.3], [14.3, -17.1, 116.1], [6.9, -3.3, 102.3], [22.0, -4.2, 103.2], [23.1, -6.1, 105.0], [23.7, -8.3, 107.3], [10.1, -9.6, 108.6], [28.5, -39.8, 138.8], [19.2, -25.3, 124.3], [32.3, -21.7, 120.7], [33.1, -46.6, 145.6], [33.2, -24.2, 123.2], [21.0, -27.5, 126.5], [24.6, -33.9, 132.9], [26.2, -36.1, 135.1], [13.0, -15.3, 114.2], [16.8, -21.6, 120.6], [25.9, -12.1, 111.1], [35.1, -26.0, 125.0], [36.3, -28.1, 127.1], [23.1, -31.7, 130.7], [38.7, -32.1, 131.1], [22.1, -29.6, 128.6], [20.4, -2.3, 101.3], [31.4, -43.7, 142.7], [31.4, -43.7, 142.7], [12.2, -13.6, 112.6], [37.6, -30.2, 129.2], [40.0, -34.1, 133.1], [41.9, -35.7, 134.7], [43.3, -37.6, 136.6], [44.8, -39.8, 138.8], [29.9, -42.1, 141.1], [27.2, -37.7, 136.7], [18.3, -23.2, 122.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [87.1, 85.4, 124.3, 88.9, 90.6, 106.9, 119.5, 104.6, 96.4, 121.0, 92.6, 98.6, 100.5, 94.5, 118.2, 102.5, 105.6, 107.7, 110.2, 109.5, 147.2, 128.3, 126.8, 156.4, 129.9, 131.1, 139.3, 142.3, 116.0, 123.7, 114.7, 132.4, 135.2, 136.5, 140.4, 133.8, 103.4, 152.5, 152.5, 114.1, 137.9, 143.1, 145.5, 148.1, 151.2, 150.3, 144.4, 125.7] \/nStep 5, find the maximum distance to the drone: 156.4 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":354
+    },
+    {
+        "image":"255c8337-DJI_0160.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":9.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2065.3, 1539.0], [2040.3, 1618.5], [2722.3, 662.9], [2077.7, 1465.4], [2086.4, 1397.5], [2234.5, 934.7], [2692.7, 740.8], [2208.8, 987.8], [2144.7, 1204.3], [2368.6, 670.7], [2102.8, 1325.1], [2154.9, 1141.9], [2166.0, 1088.7], [2115.1, 1264.4], [2342.6, 716.1], [2187.3, 1036.5], [2592.6, 1011.9], [2609.4, 965.1], [2614.2, 910.7], [2258.6, 880.3], [2569.8, 329.0], [2427.5, 560.1], [2742.7, 626.5], [2630.7, 237.3], [2748.0, 580.2], [2459.9, 521.8], [2513.5, 417.2], [2538.9, 383.6], [2316.6, 754.6], [2386.2, 627.7], [2646.2, 823.8], [2779.0, 547.8], [2792.2, 511.0], [2491.2, 452.1], [2818.9, 445.8], [2476.7, 486.5], [2558.9, 1061.6], [2611.2, 275.7], [2611.2, 275.7], [2300.7, 789.9], [2807.6, 476.5], [2834.4, 414.8], [2864.1, 389.7], [2878.8, 361.1], [2896.2, 329.3], [2588.2, 296.7], [2552.4, 360.2], [2415.3, 598.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.0, 12.9, 86.1], [1.2, 14.9, 84.0], [30.9, -19.8, 118.8], [2.5, 10.8, 88.2], [2.8, 8.9, 90.1], [9.0, -7.3, 106.3], [28.7, -15.9, 114.9], [7.8, -5.1, 104.1], [5.0, 2.8, 96.2], [15.7, -19.4, 118.4], [3.4, 6.7, 92.3], [5.5, 0.6, 98.4], [6.0, -1.3, 100.3], [3.9, 4.7, 94.3], [14.3, -17.1, 116.1], [6.9, -3.3, 102.3], [22.0, -4.2, 103.2], [23.1, -6.1, 105.0], [23.7, -8.3, 107.3], [10.1, -9.6, 108.6], [28.5, -39.8, 138.8], [19.2, -25.3, 124.3], [32.3, -21.7, 120.7], [33.1, -46.6, 145.6], [33.2, -24.2, 123.2], [21.0, -27.5, 126.5], [24.6, -33.9, 132.9], [26.2, -36.1, 135.1], [13.0, -15.3, 114.2], [16.8, -21.6, 120.6], [25.9, -12.1, 111.1], [35.1, -26.0, 125.0], [36.3, -28.1, 127.1], [23.1, -31.7, 130.7], [38.7, -32.1, 131.1], [22.1, -29.6, 128.6], [20.4, -2.3, 101.3], [31.4, -43.7, 142.7], [31.4, -43.7, 142.7], [12.2, -13.6, 112.6], [37.6, -30.2, 129.2], [40.0, -34.1, 133.1], [41.9, -35.7, 134.7], [43.3, -37.6, 136.6], [44.8, -39.8, 138.8], [29.9, -42.1, 141.1], [27.2, -37.7, 136.7], [18.3, -23.2, 122.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [87.1, 85.4, 124.3, 88.9, 90.6, 106.9, 119.5, 104.6, 96.4, 121.0, 92.6, 98.6, 100.5, 94.5, 118.2, 102.5, 105.6, 107.7, 110.2, 109.5, 147.2, 128.3, 126.8, 156.4, 129.9, 131.1, 139.3, 142.3, 116.0, 123.7, 114.7, 132.4, 135.2, 136.5, 140.4, 133.8, 103.4, 152.5, 152.5, 114.1, 137.9, 143.1, 145.5, 148.1, 151.2, 150.3, 144.4, 125.7] \/nStep 5, find the maximum distance to the drone: 156.4 \/nStep 6, calculate the flight time of the drone: 156.4\/16=9.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":48,
+        "region":"image-level",
+        "qid":355
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Monica said she bought a new yellow car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'gray', 'red', 'white', 'red', 'red', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'blue', 'black', 'black', 'white', 'blue', 'white', 'black', 'white', 'blue', 'white', 'white', 'white', 'white', 'blue', 'blue', 'gray', 'gray', 'black', 'silver', 'white', 'silver', 'black', 'blue', 'blue', 'black', 'white', 'silver', 'white', 'silver', 'white', 'gray', 'gray', 'white', 'golden', 'golden', 'black', 'blue', 'gray', 'brown', 'white', 'silver', 'brown', 'brown', 'white', 'blue', 'blue', 'white', 'white', 'silver', 'white', 'white', 'white', 'white', 'white', 'silver', 'blue', 'gray', 'gray', 'white', 'black', 'black', 'black', 'black'] \/nStep 2, there is no yellow car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":356
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 100. B) 30. C) 120. D) 80.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":357
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 70. B) 90. C) 60. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":358
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 18823. B) 17823. C) 16823. D) 21823.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":359
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":13865000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['cadillac xts', 'roewe erx5', 'lexus ct', 'byd han', 'mini mini', 'toyota corolla', 'roewe erx5', 'tesla model 3', 'volkswagen polo', 'volkswagen santana', 'ford focus', 'byd tang', 'audi a3', 'mercedes-benz glc', 'volkswagen lavida', 'ford mondeo', 'byd dolphin', 'buick regal', 'nissan x-trail', 'bmw x3', 'buick envision', 'bmw 3 series', 'bmw 4 series', 'audi q3', 'byd han', 'skoda octavia', 'tesla model y', 'roewe 550', 'toyota corolla', 'audi q3', 'audi q3', 'wey vv6', 'infiniti qx60', 'bmw 6 series gt', 'rising er6', 'ideal one', 'roewe erx5', 'ford mondeo', 'toyota levin', 'tesla model 3', 'volkswagen tayron x', 'bmw x1', 'mazda ruiyi', 'changan cs15', 'roewe erx5', 'tesla model y', 'toyota corolla', 'mazda axela', 'byd song', 'byd yuan plus', 'harvard h6', 'citroen c5', 'citroen c5', 'toyota highlander', 'lexus rx', 'byd tang', 'roewe rx5', 'buick regal', 'lexus nx', 'buick envision', 'volvo s90', 'volkswagen polo', 'byd han', 'denza x', 'honda vezel', 'volkswagen polo', 'lexus rx', 'volkswagen lavida', 'roewe 550', 'cadillac ats-l', 'cadillac ats-l', 'volvo v40', 'volkswagen sagitar', 'bmw 3 series', 'ford mondeo', 'tesla model 3', 'lexus es', 'volkswagen passat', 'volkswagen tayron gte', 'chery tiggo', 'tesla model y'] \nStep 2, query all vehicle prices: {'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000} \nStep 3, sum the price of each vehicle: 13865000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":360
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are brown vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"A) 211666. B) 105000. C) 325000. D) 635000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'gray', 'red', 'white', 'red', 'red', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'blue', 'black', 'black', 'white', 'blue', 'white', 'black', 'white', 'blue', 'white', 'white', 'white', 'white', 'blue', 'blue', 'gray', 'gray', 'black', 'silver', 'white', 'silver', 'black', 'blue', 'blue', 'black', 'white', 'silver', 'white', 'silver', 'white', 'gray', 'gray', 'white', 'golden', 'golden', 'black', 'blue', 'gray', 'brown', 'white', 'silver', 'brown', 'brown', 'white', 'blue', 'blue', 'white', 'white', 'silver', 'white', 'white', 'white', 'white', 'white', 'silver', 'blue', 'gray', 'gray', 'white', 'black', 'black', 'black', 'black'] \nStep 2, identify the model of brown vehicles: ['roewe rx5', 'buick envision', 'volvo s90'] \nStep 3, query vehicle prices: {'roewe rx5': 105000, 'buick envision': 205000, 'volvo s90': 325000} \nStep 4, sum the price of each brown vehicle: 635000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":361
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":171172,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['cadillac xts', 'roewe erx5', 'lexus ct', 'byd han', 'mini mini', 'toyota corolla', 'roewe erx5', 'tesla model 3', 'volkswagen polo', 'volkswagen santana', 'ford focus', 'byd tang', 'audi a3', 'mercedes-benz glc', 'volkswagen lavida', 'ford mondeo', 'byd dolphin', 'buick regal', 'nissan x-trail', 'bmw x3', 'buick envision', 'bmw 3 series', 'bmw 4 series', 'audi q3', 'byd han', 'skoda octavia', 'tesla model y', 'roewe 550', 'toyota corolla', 'audi q3', 'audi q3', 'wey vv6', 'infiniti qx60', 'bmw 6 series gt', 'rising er6', 'ideal one', 'roewe erx5', 'ford mondeo', 'toyota levin', 'tesla model 3', 'volkswagen tayron x', 'bmw x1', 'mazda ruiyi', 'changan cs15', 'roewe erx5', 'tesla model y', 'toyota corolla', 'mazda axela', 'byd song', 'byd yuan plus', 'harvard h6', 'citroen c5', 'citroen c5', 'toyota highlander', 'lexus rx', 'byd tang', 'roewe rx5', 'buick regal', 'lexus nx', 'buick envision', 'volvo s90', 'volkswagen polo', 'byd han', 'denza x', 'honda vezel', 'volkswagen polo', 'lexus rx', 'volkswagen lavida', 'roewe 550', 'cadillac ats-l', 'cadillac ats-l', 'volvo v40', 'volkswagen sagitar', 'bmw 3 series', 'ford mondeo', 'tesla model 3', 'lexus es', 'volkswagen passat', 'volkswagen tayron gte', 'chery tiggo', 'tesla model y'] \nStep 2, query all vehicle prices: {'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000} \nStep 3, calculate the average price of all vehicles: 171172",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":362
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"A) 150000. B) 635000. C) 15000. D) 171172.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['cadillac xts', 'roewe erx5', 'lexus ct', 'byd han', 'mini mini', 'toyota corolla', 'roewe erx5', 'tesla model 3', 'volkswagen polo', 'volkswagen santana', 'ford focus', 'byd tang', 'audi a3', 'mercedes-benz glc', 'volkswagen lavida', 'ford mondeo', 'byd dolphin', 'buick regal', 'nissan x-trail', 'bmw x3', 'buick envision', 'bmw 3 series', 'bmw 4 series', 'audi q3', 'byd han', 'skoda octavia', 'tesla model y', 'roewe 550', 'toyota corolla', 'audi q3', 'audi q3', 'wey vv6', 'infiniti qx60', 'bmw 6 series gt', 'rising er6', 'ideal one', 'roewe erx5', 'ford mondeo', 'toyota levin', 'tesla model 3', 'volkswagen tayron x', 'bmw x1', 'mazda ruiyi', 'changan cs15', 'roewe erx5', 'tesla model y', 'toyota corolla', 'mazda axela', 'byd song', 'byd yuan plus', 'harvard h6', 'citroen c5', 'citroen c5', 'toyota highlander', 'lexus rx', 'byd tang', 'roewe rx5', 'buick regal', 'lexus nx', 'buick envision', 'volvo s90', 'volkswagen polo', 'byd han', 'denza x', 'honda vezel', 'volkswagen polo', 'lexus rx', 'volkswagen lavida', 'roewe 550', 'cadillac ats-l', 'cadillac ats-l', 'volvo v40', 'volkswagen sagitar', 'bmw 3 series', 'ford mondeo', 'tesla model 3', 'lexus es', 'volkswagen passat', 'volkswagen tayron gte', 'chery tiggo', 'tesla model y'] \nStep 2, query all vehicle prices: {'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000} \nStep 3, calculate the median price of all vehicles: 150000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":363
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.1, 4.7, 4.4, 5.0, 3.9, 4.6, 4.7, 4.7, 4.1, 4.5, 4.7, 4.9, 4.3, 4.8, 4.7, 4.9, 4.1, 4.9, 4.7, 4.7, 4.6, 4.7, 4.8, 4.5, 5.0, 4.8, 4.8, 4.6, 4.6, 4.5, 4.5, 4.6, 5.1, 5.1, 4.7, 5.0, 4.7, 4.9, 4.6, 4.7, 4.6, 4.6, 4.7, 4.1, 4.7, 4.8, 4.6, 4.7, 4.6, 4.5, 4.7, 4.8, 4.8, 5.0, 4.9, 4.9, 4.6, 4.9, 4.7, 4.6, 5.1, 4.1, 5.0, 4.9, 4.4, 4.1, 4.9, 4.7, 4.6, 4.7, 4.7, 4.4, 4.8, 4.7, 4.9, 4.7, 5.0, 4.9, 4.6, 4.4, 4.8] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":364
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":15000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['cadillac xts', 'roewe erx5', 'lexus ct', 'byd han', 'mini mini', 'toyota corolla', 'roewe erx5', 'tesla model 3', 'volkswagen polo', 'volkswagen santana', 'ford focus', 'byd tang', 'audi a3', 'mercedes-benz glc', 'volkswagen lavida', 'ford mondeo', 'byd dolphin', 'buick regal', 'nissan x-trail', 'bmw x3', 'buick envision', 'bmw 3 series', 'bmw 4 series', 'audi q3', 'byd han', 'skoda octavia', 'tesla model y', 'roewe 550', 'toyota corolla', 'audi q3', 'audi q3', 'wey vv6', 'infiniti qx60', 'bmw 6 series gt', 'rising er6', 'ideal one', 'roewe erx5', 'ford mondeo', 'toyota levin', 'tesla model 3', 'volkswagen tayron x', 'bmw x1', 'mazda ruiyi', 'changan cs15', 'roewe erx5', 'tesla model y', 'toyota corolla', 'mazda axela', 'byd song', 'byd yuan plus', 'harvard h6', 'citroen c5', 'citroen c5', 'toyota highlander', 'lexus rx', 'byd tang', 'roewe rx5', 'buick regal', 'lexus nx', 'buick envision', 'volvo s90', 'volkswagen polo', 'byd han', 'denza x', 'honda vezel', 'volkswagen polo', 'lexus rx', 'volkswagen lavida', 'roewe 550', 'cadillac ats-l', 'cadillac ats-l', 'volvo v40', 'volkswagen sagitar', 'bmw 3 series', 'ford mondeo', 'tesla model 3', 'lexus es', 'volkswagen passat', 'volkswagen tayron gte', 'chery tiggo', 'tesla model y'] \nStep 2, query all vehicle prices: {'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000} \nStep 3, calculate the minimum price of all vehicles: 15000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":365
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'gray', 'red', 'white', 'red', 'red', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'blue', 'black', 'black', 'white', 'blue', 'white', 'black', 'white', 'blue', 'white', 'white', 'white', 'white', 'blue', 'blue', 'gray', 'gray', 'black', 'silver', 'white', 'silver', 'black', 'blue', 'blue', 'black', 'white', 'silver', 'white', 'silver', 'white', 'gray', 'gray', 'white', 'golden', 'golden', 'black', 'blue', 'gray', 'brown', 'white', 'silver', 'brown', 'brown', 'white', 'blue', 'blue', 'white', 'white', 'silver', 'white', 'white', 'white', 'white', 'white', 'silver', 'blue', 'gray', 'gray', 'white', 'black', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 32, 'silver': 8, 'red': 4, 'gray': 9, 'black': 12, 'blue': 11, 'golden': 2, 'brown': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":366
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"gray",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['full-size', 'suv', 'compact', 'mid-size', 'micro-size', 'compact', 'suv', 'mid-size', 'micro-size', 'compact', 'compact', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'subcompact', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'sports', 'suv', 'mid-size', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'full-size', 'compact', 'suv', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'full-size', 'micro-size', 'mid-size', 'suv', 'suv', 'micro-size', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'compact', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size'] \nStep 2, identify the color of subcompact vehicles: ['gray'] \nStep 3, count subcompact vehicles for each color: {'gray': 1} \nStep 4, sort to get the most common color of subcompact vehicle: gray",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":367
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 72 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 4. B) 9. C) 5. D) 8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 81 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 81-72=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":368
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 11. B) 8. C) 9. D) 10.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'gray', 'red', 'white', 'red', 'red', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'blue', 'black', 'black', 'white', 'blue', 'white', 'black', 'white', 'blue', 'white', 'white', 'white', 'white', 'blue', 'blue', 'gray', 'gray', 'black', 'silver', 'white', 'silver', 'black', 'blue', 'blue', 'black', 'white', 'silver', 'white', 'silver', 'white', 'gray', 'gray', 'white', 'golden', 'golden', 'black', 'blue', 'gray', 'brown', 'white', 'silver', 'brown', 'brown', 'white', 'blue', 'blue', 'white', 'white', 'silver', 'white', 'white', 'white', 'white', 'white', 'silver', 'blue', 'gray', 'gray', 'white', 'black', 'black', 'black', 'black'] \/nStep 2, count all gray vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":369
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"A) 32. B) 31. C) 29. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['cadillac xts', 'roewe erx5', 'lexus ct', 'byd han', 'mini mini', 'toyota corolla', 'roewe erx5', 'tesla model 3', 'volkswagen polo', 'volkswagen santana', 'ford focus', 'byd tang', 'audi a3', 'mercedes-benz glc', 'volkswagen lavida', 'ford mondeo', 'byd dolphin', 'buick regal', 'nissan x-trail', 'bmw x3', 'buick envision', 'bmw 3 series', 'bmw 4 series', 'audi q3', 'byd han', 'skoda octavia', 'tesla model y', 'roewe 550', 'toyota corolla', 'audi q3', 'audi q3', 'wey vv6', 'infiniti qx60', 'bmw 6 series gt', 'rising er6', 'ideal one', 'roewe erx5', 'ford mondeo', 'toyota levin', 'tesla model 3', 'volkswagen tayron x', 'bmw x1', 'mazda ruiyi', 'changan cs15', 'roewe erx5', 'tesla model y', 'toyota corolla', 'mazda axela', 'byd song', 'byd yuan plus', 'harvard h6', 'citroen c5', 'citroen c5', 'toyota highlander', 'lexus rx', 'byd tang', 'roewe rx5', 'buick regal', 'lexus nx', 'buick envision', 'volvo s90', 'volkswagen polo', 'byd han', 'denza x', 'honda vezel', 'volkswagen polo', 'lexus rx', 'volkswagen lavida', 'roewe 550', 'cadillac ats-l', 'cadillac ats-l', 'volvo v40', 'volkswagen sagitar', 'bmw 3 series', 'ford mondeo', 'tesla model 3', 'lexus es', 'volkswagen passat', 'volkswagen tayron gte', 'chery tiggo', 'tesla model y'] \nStep 2, query all vehicle prices: {'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000} \nStep 3, count vehicles priced below 100000 RMB: 29",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":370
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many golden full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) -1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'gray', 'red', 'white', 'red', 'red', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'blue', 'black', 'black', 'white', 'blue', 'white', 'black', 'white', 'blue', 'white', 'white', 'white', 'white', 'blue', 'blue', 'gray', 'gray', 'black', 'silver', 'white', 'silver', 'black', 'blue', 'blue', 'black', 'white', 'silver', 'white', 'silver', 'white', 'gray', 'gray', 'white', 'golden', 'golden', 'black', 'blue', 'gray', 'brown', 'white', 'silver', 'brown', 'brown', 'white', 'blue', 'blue', 'white', 'white', 'silver', 'white', 'white', 'white', 'white', 'white', 'silver', 'blue', 'gray', 'gray', 'white', 'black', 'black', 'black', 'black'] \nStep 2, identify the type of golden vehicles: ['mid-size', 'mid-size'] \nStep 3, count golden full-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":371
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1450.1, 714.0], [1667.5, 1122.9], [1513.5, 691.5], [1930.4, 1042.4], [1844.7, 572.7], [1345.1, 538.2], [1605.5, 1159.5], [2456.7, 810.0], [2327.2, 423.9], [1717.3, 628.4], [1577.8, 857.4], [1778.3, 606.0], [1508.3, 872.2], [2186.7, 1125.6], [2443.5, 264.8], [2505.7, 964.3], [2130.5, 974.7], [1994.9, 1019.3], [1735.9, 1107.5], [1648.3, 645.1], [2528.2, 1112.2], [2253.0, 1109.2], [1977.0, 537.5], [2097.4, 660.1], [1806.9, 1086.0], [2064.2, 999.5], [2085.4, 1468.9], [1973.7, 716.9], [2256.7, 925.5], [1771.7, 779.8], [1771.7, 779.8], [2020.3, 1486.3], [2196.9, 949.6], [1708.0, 812.7], [2109.6, 490.4], [1833.9, 766.1], [1906.3, 546.6], [1908.3, 743.8], [2150.4, 1452.3], [1799.2, 1262.1], [1668.0, 1304.5], [2040.5, 687.4], [1873.3, 1069.5], [1500.0, 1693.3], [1580.4, 676.8], [2213.2, 1431.6], [1925.8, 1213.2], [2274.3, 1406.2], [2044.2, 501.1], [1642.1, 835.0], [1861.5, 1230.1], [2123.6, 1151.8], [2123.6, 1151.8], [1985.7, 1195.1], [1953.9, 1503.6], [1890.9, 1538.6], [1736.0, 1284.9], [2163.4, 643.6], [1593.8, 1331.9], [1827.9, 1552.3], [1749.7, 1577.9], [2346.4, 1379.3], [1354.3, 1292.2], [1540.4, 1172.8], [2316.9, 1087.3], [2449.2, 144.9], [1478.3, 486.4], [2011.2, 289.0], [1307.8, 1164.7], [1889.9, 343.1], [1889.9, 343.1], [2292.1, 201.7], [1450.1, 1567.2], [1611.6, 443.9], [1759.1, 391.4], [2688.9, 55.1], [2416.7, 1351.1], [1697.5, 1620.9], [1449.7, 909.0], [1387.4, 765.8], [1116.1, 642.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-23.8, -17.8, 120.0], [-14.4, -0.1, 120.0], [-21.0, -18.7, 120.0], [-3.0, -3.6, 120.0], [-6.7, -23.9, 120.0], [-28.3, -25.4, 120.0], [-17.1, 1.5, 120.0], [19.8, -13.6, 120.0], [14.2, -30.3, 120.0], [-12.2, -21.5, 120.0], [-18.3, -11.6, 120.0], [-9.6, -22.4, 120.0], [-21.3, -10.9, 120.0], [8.1, 0.0, 120.0], [19.2, -37.2, 120.0], [21.9, -7.0, 120.0], [5.6, -6.5, 120.0], [-0.2, -4.6, 120.0], [-11.4, -0.8, 120.0], [-15.2, -20.8, 120.0], [22.8, -0.6, 120.0], [10.9, -0.7, 120.0], [-1.0, -25.4, 120.0], [4.2, -20.1, 120.0], [-8.4, -1.7, 120.0], [2.8, -5.4, 120.0], [3.7, 14.9, 120.0], [-1.1, -17.7, 120.0], [11.1, -8.6, 120.0], [-9.9, -14.9, 120.0], [-9.9, -14.9, 120.0], [0.9, 15.6, 120.0], [8.5, -7.6, 120.0], [-12.6, -13.5, 120.0], [4.7, -27.4, 120.0], [-7.2, -15.5, 120.0], [-4.1, -25.0, 120.0], [-4.0, -16.5, 120.0], [6.5, 14.2, 120.0], [-8.7, 5.9, 120.0], [-14.4, 7.8, 120.0], [1.8, -18.9, 120.0], [-5.5, -2.4, 120.0], [-21.6, 24.6, 120.0], [-18.1, -19.4, 120.0], [9.2, 13.3, 120.0], [-3.2, 3.8, 120.0], [11.9, 12.2, 120.0], [1.9, -27.0, 120.0], [-15.5, -12.5, 120.0], [-6.0, 4.5, 120.0], [5.3, 1.2, 120.0], [5.3, 1.2, 120.0], [-0.6, 3.0, 120.0], [-2.0, 16.4, 120.0], [-4.7, 17.9, 120.0], [-11.4, 6.9, 120.0], [7.1, -20.8, 120.0], [-17.6, 8.9, 120.0], [-7.4, 18.5, 120.0], [-10.8, 19.6, 120.0], [15.0, 11.0, 120.0], [-27.9, 7.2, 120.0], [-19.9, 2.1, 120.0], [13.7, -1.6, 120.0], [19.4, -42.4, 120.0], [-22.6, -27.6, 120.0], [0.5, -36.2, 120.0], [-29.9, 1.7, 120.0], [-4.8, -33.8, 120.0], [-4.8, -33.8, 120.0], [12.6, -39.9, 120.0], [-23.8, 19.1, 120.0], [-16.8, -29.5, 120.0], [-10.4, -31.7, 120.0], [29.8, -46.3, 120.0], [18.0, 9.8, 120.0], [-13.1, 21.4, 120.0], [-23.8, -9.3, 120.0], [-26.5, -15.5, 120.0], [-38.2, -20.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [123.6, 120.9, 123.3, 120.1, 122.5, 125.9, 121.2, 122.4, 124.6, 122.5, 121.9, 122.5, 122.4, 120.3, 127.1, 122.2, 120.3, 120.1, 120.5, 122.7, 122.2, 120.5, 122.7, 121.7, 120.3, 120.2, 121.0, 121.3, 120.8, 121.3, 121.3, 121.0, 120.5, 121.4, 123.2, 121.2, 122.6, 121.2, 121.0, 120.5, 121.1, 121.5, 120.1, 124.4, 122.9, 121.1, 120.1, 121.2, 123.0, 121.6, 120.2, 120.1, 120.1, 120.0, 121.1, 121.4, 120.7, 122.0, 121.6, 121.6, 122.1, 121.4, 123.4, 121.7, 120.8, 128.7, 125.2, 125.3, 123.7, 124.8, 124.8, 127.1, 123.8, 124.7, 124.6, 132.0, 121.7, 122.6, 122.7, 123.9, 127.7] \/nStep 5, find the minimum distance to the drone: 120.0 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":372
+    },
+    {
+        "image":"185d23b2-DJI_0184.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":12.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1450.1, 714.0], [1667.5, 1122.9], [1513.5, 691.5], [1930.4, 1042.4], [1844.7, 572.7], [1345.1, 538.2], [1605.5, 1159.5], [2456.7, 810.0], [2327.2, 423.9], [1717.3, 628.4], [1577.8, 857.4], [1778.3, 606.0], [1508.3, 872.2], [2186.7, 1125.6], [2443.5, 264.8], [2505.7, 964.3], [2130.5, 974.7], [1994.9, 1019.3], [1735.9, 1107.5], [1648.3, 645.1], [2528.2, 1112.2], [2253.0, 1109.2], [1977.0, 537.5], [2097.4, 660.1], [1806.9, 1086.0], [2064.2, 999.5], [2085.4, 1468.9], [1973.7, 716.9], [2256.7, 925.5], [1771.7, 779.8], [1771.7, 779.8], [2020.3, 1486.3], [2196.9, 949.6], [1708.0, 812.7], [2109.6, 490.4], [1833.9, 766.1], [1906.3, 546.6], [1908.3, 743.8], [2150.4, 1452.3], [1799.2, 1262.1], [1668.0, 1304.5], [2040.5, 687.4], [1873.3, 1069.5], [1500.0, 1693.3], [1580.4, 676.8], [2213.2, 1431.6], [1925.8, 1213.2], [2274.3, 1406.2], [2044.2, 501.1], [1642.1, 835.0], [1861.5, 1230.1], [2123.6, 1151.8], [2123.6, 1151.8], [1985.7, 1195.1], [1953.9, 1503.6], [1890.9, 1538.6], [1736.0, 1284.9], [2163.4, 643.6], [1593.8, 1331.9], [1827.9, 1552.3], [1749.7, 1577.9], [2346.4, 1379.3], [1354.3, 1292.2], [1540.4, 1172.8], [2316.9, 1087.3], [2449.2, 144.9], [1478.3, 486.4], [2011.2, 289.0], [1307.8, 1164.7], [1889.9, 343.1], [1889.9, 343.1], [2292.1, 201.7], [1450.1, 1567.2], [1611.6, 443.9], [1759.1, 391.4], [2688.9, 55.1], [2416.7, 1351.1], [1697.5, 1620.9], [1449.7, 909.0], [1387.4, 765.8], [1116.1, 642.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-23.8, -17.8, 120.0], [-14.4, -0.1, 120.0], [-21.0, -18.7, 120.0], [-3.0, -3.6, 120.0], [-6.7, -23.9, 120.0], [-28.3, -25.4, 120.0], [-17.1, 1.5, 120.0], [19.8, -13.6, 120.0], [14.2, -30.3, 120.0], [-12.2, -21.5, 120.0], [-18.3, -11.6, 120.0], [-9.6, -22.4, 120.0], [-21.3, -10.9, 120.0], [8.1, 0.0, 120.0], [19.2, -37.2, 120.0], [21.9, -7.0, 120.0], [5.6, -6.5, 120.0], [-0.2, -4.6, 120.0], [-11.4, -0.8, 120.0], [-15.2, -20.8, 120.0], [22.8, -0.6, 120.0], [10.9, -0.7, 120.0], [-1.0, -25.4, 120.0], [4.2, -20.1, 120.0], [-8.4, -1.7, 120.0], [2.8, -5.4, 120.0], [3.7, 14.9, 120.0], [-1.1, -17.7, 120.0], [11.1, -8.6, 120.0], [-9.9, -14.9, 120.0], [-9.9, -14.9, 120.0], [0.9, 15.6, 120.0], [8.5, -7.6, 120.0], [-12.6, -13.5, 120.0], [4.7, -27.4, 120.0], [-7.2, -15.5, 120.0], [-4.1, -25.0, 120.0], [-4.0, -16.5, 120.0], [6.5, 14.2, 120.0], [-8.7, 5.9, 120.0], [-14.4, 7.8, 120.0], [1.8, -18.9, 120.0], [-5.5, -2.4, 120.0], [-21.6, 24.6, 120.0], [-18.1, -19.4, 120.0], [9.2, 13.3, 120.0], [-3.2, 3.8, 120.0], [11.9, 12.2, 120.0], [1.9, -27.0, 120.0], [-15.5, -12.5, 120.0], [-6.0, 4.5, 120.0], [5.3, 1.2, 120.0], [5.3, 1.2, 120.0], [-0.6, 3.0, 120.0], [-2.0, 16.4, 120.0], [-4.7, 17.9, 120.0], [-11.4, 6.9, 120.0], [7.1, -20.8, 120.0], [-17.6, 8.9, 120.0], [-7.4, 18.5, 120.0], [-10.8, 19.6, 120.0], [15.0, 11.0, 120.0], [-27.9, 7.2, 120.0], [-19.9, 2.1, 120.0], [13.7, -1.6, 120.0], [19.4, -42.4, 120.0], [-22.6, -27.6, 120.0], [0.5, -36.2, 120.0], [-29.9, 1.7, 120.0], [-4.8, -33.8, 120.0], [-4.8, -33.8, 120.0], [12.6, -39.9, 120.0], [-23.8, 19.1, 120.0], [-16.8, -29.5, 120.0], [-10.4, -31.7, 120.0], [29.8, -46.3, 120.0], [18.0, 9.8, 120.0], [-13.1, 21.4, 120.0], [-23.8, -9.3, 120.0], [-26.5, -15.5, 120.0], [-38.2, -20.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [123.6, 120.9, 123.3, 120.1, 122.5, 125.9, 121.2, 122.4, 124.6, 122.5, 121.9, 122.5, 122.4, 120.3, 127.1, 122.2, 120.3, 120.1, 120.5, 122.7, 122.2, 120.5, 122.7, 121.7, 120.3, 120.2, 121.0, 121.3, 120.8, 121.3, 121.3, 121.0, 120.5, 121.4, 123.2, 121.2, 122.6, 121.2, 121.0, 120.5, 121.1, 121.5, 120.1, 124.4, 122.9, 121.1, 120.1, 121.2, 123.0, 121.6, 120.2, 120.1, 120.1, 120.0, 121.1, 121.4, 120.7, 122.0, 121.6, 121.6, 122.1, 121.4, 123.4, 121.7, 120.8, 128.7, 125.2, 125.3, 123.7, 124.8, 124.8, 127.1, 123.8, 124.7, 124.6, 132.0, 121.7, 122.6, 122.7, 123.9, 127.7] \/nStep 5, find the minimum distance to the drone: 120.0 \/nStep 6, calculate the flight time of the drone: 120.0\/10=12.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":81,
+        "region":"image-level",
+        "qid":373
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new orange car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'blue', 'silver', 'red', 'white', 'white', 'white', 'white', 'red', 'black', 'black', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'white', 'blue', 'black', 'golden', 'blue', 'white', 'white', 'white', 'white', 'gray', 'white', 'silver', 'black', 'white', 'brown', 'gray', 'blue', 'white', 'gray', 'silver', 'silver', 'silver', 'red', 'gray', 'silver', 'white', 'silver', 'silver', 'gray', 'white', 'blue', 'black', 'red', 'gray', 'black', 'gray', 'black', 'white', 'white', 'black', 'white', 'blue', 'white', 'black', 'white', 'black', 'black'] \/nStep 2, there is no orange car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":374
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":375
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":376
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":377
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":12095000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd han', 'skoda octavia', 'infiniti qx60', 'roewe erx5', 'tesla model 3', 'buick regal', 'bmw 3 series', 'audi q3', 'mercedes-benz glc', 'roewe erx5', 'toyota highlander', 'byd han', 'buick regal', 'audi q3', 'byd tang', 'ford mondeo', 'audi a3', 'roewe 550', 'tesla model 3', 'roewe erx5', 'toyota corolla', 'ford focus', 'toyota corolla', 'ideal one', 'nissan x-trail', 'harvard h6', 'bmw x1', 'bmw x3', 'citroen c5', 'volkswagen tayron x', 'volvo v40', 'volkswagen polo', 'volkswagen lavida', 'honda vezel', 'bmw 6 series gt', 'volkswagen santana', 'lexus rx', 'mazda ruiyi', 'cadillac ats-l', 'roewe rx5', 'byd yuan plus', 'bmw 3 series', 'cadillac xts', 'tesla model 3', 'roewe erx5', 'roewe erx5', 'toyota corolla', 'lexus ct', 'ford mondeo', 'roewe ei6', 'roewe 550', 'lexus nx', 'lexus nx', 'byd song', 'volkswagen polo', 'denza x', 'cadillac xt5', 'mini mini', 'byd dolphin', 'buick envision', 'rising er6', 'audi q5l', 'volkswagen polo', 'volkswagen lavida', 'volkswagen tayron gte', 'mazda axela', 'bmw 4 series', 'lexus es', 'ford mondeo', 'tesla model y', 'chery tiggo', 'chery tiggo'] \nStep 2, query all vehicle prices: {'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000} \nStep 3, sum the price of each vehicle: 12095000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":378
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000}",
+        "choices":"A) 176250. B) 285000. C) 705000. D) 185000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'blue', 'silver', 'red', 'white', 'white', 'white', 'white', 'red', 'black', 'black', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'white', 'blue', 'black', 'golden', 'blue', 'white', 'white', 'white', 'white', 'gray', 'white', 'silver', 'black', 'white', 'brown', 'gray', 'blue', 'white', 'gray', 'silver', 'silver', 'silver', 'red', 'gray', 'silver', 'white', 'silver', 'silver', 'gray', 'white', 'blue', 'black', 'red', 'gray', 'black', 'gray', 'black', 'white', 'white', 'black', 'white', 'blue', 'white', 'black', 'white', 'black', 'black'] \nStep 2, identify the model of red vehicles: ['tesla model 3', 'roewe erx5', 'lexus ct', 'mini mini'] \nStep 3, query vehicle prices: {'tesla model 3': 285000, 'roewe erx5': 50000, 'lexus ct': 100000, 'mini mini': 270000} \nStep 4, sum the price of each red vehicle: 705000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":379
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000}",
+        "choices":"A) 147500. B) 167986. C) 705000. D) 15000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd han', 'skoda octavia', 'infiniti qx60', 'roewe erx5', 'tesla model 3', 'buick regal', 'bmw 3 series', 'audi q3', 'mercedes-benz glc', 'roewe erx5', 'toyota highlander', 'byd han', 'buick regal', 'audi q3', 'byd tang', 'ford mondeo', 'audi a3', 'roewe 550', 'tesla model 3', 'roewe erx5', 'toyota corolla', 'ford focus', 'toyota corolla', 'ideal one', 'nissan x-trail', 'harvard h6', 'bmw x1', 'bmw x3', 'citroen c5', 'volkswagen tayron x', 'volvo v40', 'volkswagen polo', 'volkswagen lavida', 'honda vezel', 'bmw 6 series gt', 'volkswagen santana', 'lexus rx', 'mazda ruiyi', 'cadillac ats-l', 'roewe rx5', 'byd yuan plus', 'bmw 3 series', 'cadillac xts', 'tesla model 3', 'roewe erx5', 'roewe erx5', 'toyota corolla', 'lexus ct', 'ford mondeo', 'roewe ei6', 'roewe 550', 'lexus nx', 'lexus nx', 'byd song', 'volkswagen polo', 'denza x', 'cadillac xt5', 'mini mini', 'byd dolphin', 'buick envision', 'rising er6', 'audi q5l', 'volkswagen polo', 'volkswagen lavida', 'volkswagen tayron gte', 'mazda axela', 'bmw 4 series', 'lexus es', 'ford mondeo', 'tesla model y', 'chery tiggo', 'chery tiggo'] \nStep 2, query all vehicle prices: {'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000} \nStep 3, calculate the average price of all vehicles: 167986",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":380
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":147500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd han', 'skoda octavia', 'infiniti qx60', 'roewe erx5', 'tesla model 3', 'buick regal', 'bmw 3 series', 'audi q3', 'mercedes-benz glc', 'roewe erx5', 'toyota highlander', 'byd han', 'buick regal', 'audi q3', 'byd tang', 'ford mondeo', 'audi a3', 'roewe 550', 'tesla model 3', 'roewe erx5', 'toyota corolla', 'ford focus', 'toyota corolla', 'ideal one', 'nissan x-trail', 'harvard h6', 'bmw x1', 'bmw x3', 'citroen c5', 'volkswagen tayron x', 'volvo v40', 'volkswagen polo', 'volkswagen lavida', 'honda vezel', 'bmw 6 series gt', 'volkswagen santana', 'lexus rx', 'mazda ruiyi', 'cadillac ats-l', 'roewe rx5', 'byd yuan plus', 'bmw 3 series', 'cadillac xts', 'tesla model 3', 'roewe erx5', 'roewe erx5', 'toyota corolla', 'lexus ct', 'ford mondeo', 'roewe ei6', 'roewe 550', 'lexus nx', 'lexus nx', 'byd song', 'volkswagen polo', 'denza x', 'cadillac xt5', 'mini mini', 'byd dolphin', 'buick envision', 'rising er6', 'audi q5l', 'volkswagen polo', 'volkswagen lavida', 'volkswagen tayron gte', 'mazda axela', 'bmw 4 series', 'lexus es', 'ford mondeo', 'tesla model y', 'chery tiggo', 'chery tiggo'] \nStep 2, query all vehicle prices: {'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000} \nStep 3, calculate the median price of all vehicles: 147500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":381
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 336.0. B) 4. C) 5.1. D) 3.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.8, 5.1, 4.7, 4.7, 4.9, 4.7, 4.5, 4.8, 4.7, 5.0, 5.0, 4.9, 4.5, 4.9, 4.9, 4.3, 4.6, 4.7, 4.7, 4.6, 4.7, 4.6, 5.0, 4.7, 4.7, 4.6, 4.7, 4.8, 4.6, 4.4, 4.1, 4.7, 4.4, 5.1, 4.5, 4.9, 4.7, 4.7, 4.6, 4.5, 4.7, 5.1, 4.7, 4.7, 4.7, 4.6, 4.4, 4.9, 4.7, 4.6, 4.7, 4.7, 4.6, 4.1, 4.9, 4.8, 3.9, 4.1, 4.6, 4.7, 4.8, 4.1, 4.7, 4.6, 4.7, 4.8, 5.0, 4.9, 4.8, 4.4, 4.4] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":382
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.8, 5.1, 4.7, 4.7, 4.9, 4.7, 4.5, 4.8, 4.7, 5.0, 5.0, 4.9, 4.5, 4.9, 4.9, 4.3, 4.6, 4.7, 4.7, 4.6, 4.7, 4.6, 5.0, 4.7, 4.7, 4.6, 4.7, 4.8, 4.6, 4.4, 4.1, 4.7, 4.4, 5.1, 4.5, 4.9, 4.7, 4.7, 4.6, 4.5, 4.7, 5.1, 4.7, 4.7, 4.7, 4.6, 4.4, 4.9, 4.7, 4.6, 4.7, 4.7, 4.6, 4.1, 4.9, 4.8, 3.9, 4.1, 4.6, 4.7, 4.8, 4.1, 4.7, 4.6, 4.7, 4.8, 5.0, 4.9, 4.8, 4.4, 4.4] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":383
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'blue', 'silver', 'red', 'white', 'white', 'white', 'white', 'red', 'black', 'black', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'white', 'blue', 'black', 'golden', 'blue', 'white', 'white', 'white', 'white', 'gray', 'white', 'silver', 'black', 'white', 'brown', 'gray', 'blue', 'white', 'gray', 'silver', 'silver', 'silver', 'red', 'gray', 'silver', 'white', 'silver', 'silver', 'gray', 'white', 'blue', 'black', 'red', 'gray', 'black', 'gray', 'black', 'white', 'white', 'black', 'white', 'blue', 'white', 'black', 'white', 'black', 'black'] \/nStep 2, count vehicles for each color: {'gray': 8, 'white': 29, 'blue': 7, 'silver': 9, 'red': 4, 'black': 13, 'golden': 1, 'brown': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":384
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of sports vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'micro-size', 'compact', 'suv', 'full-size', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'full-size', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'micro-size', 'suv', 'suv', 'micro-size', 'subcompact', 'suv', 'compact', 'suv', 'micro-size', 'compact', 'suv', 'compact', 'sports', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv'] \nStep 2, identify the color of sports vehicles: ['blue'] \nStep 3, count sports vehicles for each color: {'blue': 1} \nStep 4, sort to get the most common color of sports vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":385
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 78 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 72 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 78-72=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":386
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'micro-size', 'compact', 'suv', 'full-size', 'compact', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'full-size', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'micro-size', 'suv', 'suv', 'micro-size', 'subcompact', 'suv', 'compact', 'suv', 'micro-size', 'compact', 'suv', 'compact', 'sports', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv'] \/nStep 2, count all subcompact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":387
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000}",
+        "choices":"A) 12. B) 10. C) 11. D) 13.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd han', 'skoda octavia', 'infiniti qx60', 'roewe erx5', 'tesla model 3', 'buick regal', 'bmw 3 series', 'audi q3', 'mercedes-benz glc', 'roewe erx5', 'toyota highlander', 'byd han', 'buick regal', 'audi q3', 'byd tang', 'ford mondeo', 'audi a3', 'roewe 550', 'tesla model 3', 'roewe erx5', 'toyota corolla', 'ford focus', 'toyota corolla', 'ideal one', 'nissan x-trail', 'harvard h6', 'bmw x1', 'bmw x3', 'citroen c5', 'volkswagen tayron x', 'volvo v40', 'volkswagen polo', 'volkswagen lavida', 'honda vezel', 'bmw 6 series gt', 'volkswagen santana', 'lexus rx', 'mazda ruiyi', 'cadillac ats-l', 'roewe rx5', 'byd yuan plus', 'bmw 3 series', 'cadillac xts', 'tesla model 3', 'roewe erx5', 'roewe erx5', 'toyota corolla', 'lexus ct', 'ford mondeo', 'roewe ei6', 'roewe 550', 'lexus nx', 'lexus nx', 'byd song', 'volkswagen polo', 'denza x', 'cadillac xt5', 'mini mini', 'byd dolphin', 'buick envision', 'rising er6', 'audi q5l', 'volkswagen polo', 'volkswagen lavida', 'volkswagen tayron gte', 'mazda axela', 'bmw 4 series', 'lexus es', 'ford mondeo', 'tesla model y', 'chery tiggo', 'chery tiggo'] \nStep 2, query all vehicle prices: {'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'audi q5l': 305000, 'volkswagen tayron gte': 215000, 'mazda axela': 130000, 'bmw 4 series': 455000, 'lexus es': 340000, 'tesla model y': 305000, 'chery tiggo': 15000} \nStep 3, count vehicles priced above 300000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":388
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'blue', 'silver', 'red', 'white', 'white', 'white', 'white', 'red', 'black', 'black', 'white', 'white', 'white', 'white', 'white', 'white', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'white', 'blue', 'black', 'golden', 'blue', 'white', 'white', 'white', 'white', 'gray', 'white', 'silver', 'black', 'white', 'brown', 'gray', 'blue', 'white', 'gray', 'silver', 'silver', 'silver', 'red', 'gray', 'silver', 'white', 'silver', 'silver', 'gray', 'white', 'blue', 'black', 'red', 'gray', 'black', 'gray', 'black', 'white', 'white', 'black', 'white', 'blue', 'white', 'black', 'white', 'black', 'black'] \nStep 2, identify the type of silver vehicles: ['suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv'] \nStep 3, count silver compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":389
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"q5l",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2426.2, 1491.5], [2675.4, 1422.9], [2924.5, 1340.7], [1916.8, 1623.8], [3355.6, 1117.6], [2545.0, 1454.8], [3073.4, 1631.5], [2125.8, 1048.9], [2948.0, 1662.8], [1789.1, 1697.1], [2553.7, 1784.7], [2184.6, 1558.8], [2792.6, 859.4], [2683.3, 881.8], [2140.1, 798.2], [2361.6, 998.2], [1654.3, 1188.6], [2472.9, 961.5], [2174.5, 1915.0], [2350.2, 720.0], [3024.3, 1300.7], [1781.6, 1166.0], [1438.6, 700.9], [2238.3, 1027.5], [2052.8, 1599.9], [2303.0, 1849.9], [2591.9, 920.1], [1922.1, 846.5], [2824.1, 1695.6], [1900.2, 2001.1], [2919.9, 303.6], [3130.9, 247.5], [2499.9, 403.5], [3187.7, 1585.5], [2013.7, 1098.4], [2036.2, 831.7], [1660.5, 636.8], [2314.8, 1535.5], [2328.4, 463.0], [2043.1, 1962.3], [1895.2, 1126.4], [1874.7, 581.8], [1580.6, 952.1], [3474.7, 151.3], [1807.4, 892.1], [1807.4, 892.1], [2433.1, 1820.9], [1692.5, 921.4], [2108.0, 520.1], [2716.7, 351.0], [1204.3, 1694.3], [1744.9, 2045.8], [1744.9, 2045.8], [2572.8, 664.0], [3356.6, 2181.7], [1664.0, 1732.8], [3303.9, 196.4], [2249.0, 761.7], [2802.6, 1381.0], [3630.2, 1631.7], [2678.5, 643.1], [3865.2, 45.5], [3018.0, 569.7], [3160.6, 378.9], [1539.2, 1235.3], [3196.4, 2214.8], [2463.8, 704.1], [3506.6, 2132.7], [3507.4, 1376.6], [3058.1, 2257.7], [1459.1, 999.2], [1459.1, 999.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.9, 8.5, 64.4], [15.9, 7.0, 65.2], [22.1, 5.2, 66.3], [-1.9, 11.3, 62.8], [33.9, -0.2, 69.4], [12.7, 7.7, 64.8], [24.2, 11.4, 62.7], [3.2, -1.9, 70.4], [21.3, 12.1, 62.3], [-4.7, 12.8, 61.9], [12.2, 14.5, 60.9], [4.2, 9.9, 63.5], [20.9, -7.0, 73.3], [18.0, -6.4, 73.0], [3.8, -8.8, 74.3], [9.3, -3.3, 71.2], [-8.5, 1.6, 68.4], [12.2, -4.2, 71.7], [3.7, 16.9, 59.5], [9.5, -11.0, 75.7], [24.7, 4.2, 66.8], [-5.4, 1.0, 68.7], [-15.4, -11.6, 76.0], [6.1, -2.5, 70.7], [1.2, 10.8, 63.1], [6.6, 15.7, 60.2], [15.4, -5.3, 72.4], [-2.1, -7.4, 73.5], [18.4, 12.7, 61.9], [-2.1, 18.5, 58.6], [27.7, -24.7, 83.6], [34.5, -26.8, 84.8], [14.7, -21.2, 81.5], [27.1, 10.5, 63.2], [0.3, -0.7, 69.7], [1.0, -7.8, 73.8], [-9.4, -13.6, 77.1], [7.2, 9.4, 63.8], [9.5, -19.2, 80.4], [0.9, 17.8, 59.0], [-2.6, 0.0, 69.3], [-3.5, -15.3, 78.1], [-10.9, -4.5, 71.9], [46.2, -30.5, 86.9], [-5.1, -6.1, 72.8], [-5.1, -6.1, 72.8], [9.4, 15.2, 60.5], [-8.0, -5.3, 72.3], [3.1, -17.3, 79.3], [21.3, -23.0, 82.6], [-17.8, 12.7, 61.9], [-5.3, 19.3, 58.1], [-5.3, 19.3, 58.1], [15.8, -12.7, 76.6], [27.8, 21.6, 56.8], [-7.4, 13.5, 61.5], [40.4, -28.7, 85.9], [6.7, -9.8, 74.9], [19.0, 6.1, 65.8], [36.8, 11.4, 62.7], [18.8, -13.4, 77.0], [60.1, -34.8, 89.4], [28.7, -15.7, 78.3], [34.3, -22.1, 82.0], [-11.2, 2.7, 67.7], [24.4, 22.2, 56.5], [12.7, -11.5, 75.9], [31.1, 20.8, 57.3], [35.8, 6.0, 65.8], [21.4, 22.9, 56.1], [-13.9, -3.2, 71.1], [-13.9, -3.2, 71.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [65.7, 67.5, 70.1, 63.8, 77.2, 66.5, 68.2, 70.5, 66.9, 63.4, 63.8, 64.5, 76.6, 75.4, 74.9, 71.8, 68.9, 72.9, 62.0, 77.1, 71.4, 68.9, 78.4, 71.0, 64.0, 62.6, 74.2, 73.9, 65.8, 61.5, 91.4, 95.4, 85.5, 69.6, 69.7, 74.2, 78.9, 64.9, 83.2, 61.6, 69.3, 79.7, 72.8, 103.0, 73.2, 73.2, 63.1, 73.0, 81.2, 88.3, 65.7, 61.5, 61.5, 79.3, 66.8, 63.4, 99.1, 75.9, 68.7, 73.6, 80.4, 113.1, 84.9, 91.6, 68.7, 65.4, 77.8, 68.4, 75.2, 64.2, 72.6, 72.6] \/nStep 5, find the maximum distance to the drone: 113.1 \/nStep 6, identify the model of this vehicle: q5l",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":390
+    },
+    {
+        "image":"4eb04cdf-DJI_0188.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":11.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2426.2, 1491.5], [2675.4, 1422.9], [2924.5, 1340.7], [1916.8, 1623.8], [3355.6, 1117.6], [2545.0, 1454.8], [3073.4, 1631.5], [2125.8, 1048.9], [2948.0, 1662.8], [1789.1, 1697.1], [2553.7, 1784.7], [2184.6, 1558.8], [2792.6, 859.4], [2683.3, 881.8], [2140.1, 798.2], [2361.6, 998.2], [1654.3, 1188.6], [2472.9, 961.5], [2174.5, 1915.0], [2350.2, 720.0], [3024.3, 1300.7], [1781.6, 1166.0], [1438.6, 700.9], [2238.3, 1027.5], [2052.8, 1599.9], [2303.0, 1849.9], [2591.9, 920.1], [1922.1, 846.5], [2824.1, 1695.6], [1900.2, 2001.1], [2919.9, 303.6], [3130.9, 247.5], [2499.9, 403.5], [3187.7, 1585.5], [2013.7, 1098.4], [2036.2, 831.7], [1660.5, 636.8], [2314.8, 1535.5], [2328.4, 463.0], [2043.1, 1962.3], [1895.2, 1126.4], [1874.7, 581.8], [1580.6, 952.1], [3474.7, 151.3], [1807.4, 892.1], [1807.4, 892.1], [2433.1, 1820.9], [1692.5, 921.4], [2108.0, 520.1], [2716.7, 351.0], [1204.3, 1694.3], [1744.9, 2045.8], [1744.9, 2045.8], [2572.8, 664.0], [3356.6, 2181.7], [1664.0, 1732.8], [3303.9, 196.4], [2249.0, 761.7], [2802.6, 1381.0], [3630.2, 1631.7], [2678.5, 643.1], [3865.2, 45.5], [3018.0, 569.7], [3160.6, 378.9], [1539.2, 1235.3], [3196.4, 2214.8], [2463.8, 704.1], [3506.6, 2132.7], [3507.4, 1376.6], [3058.1, 2257.7], [1459.1, 999.2], [1459.1, 999.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.9, 8.5, 64.4], [15.9, 7.0, 65.2], [22.1, 5.2, 66.3], [-1.9, 11.3, 62.8], [33.9, -0.2, 69.4], [12.7, 7.7, 64.8], [24.2, 11.4, 62.7], [3.2, -1.9, 70.4], [21.3, 12.1, 62.3], [-4.7, 12.8, 61.9], [12.2, 14.5, 60.9], [4.2, 9.9, 63.5], [20.9, -7.0, 73.3], [18.0, -6.4, 73.0], [3.8, -8.8, 74.3], [9.3, -3.3, 71.2], [-8.5, 1.6, 68.4], [12.2, -4.2, 71.7], [3.7, 16.9, 59.5], [9.5, -11.0, 75.7], [24.7, 4.2, 66.8], [-5.4, 1.0, 68.7], [-15.4, -11.6, 76.0], [6.1, -2.5, 70.7], [1.2, 10.8, 63.1], [6.6, 15.7, 60.2], [15.4, -5.3, 72.4], [-2.1, -7.4, 73.5], [18.4, 12.7, 61.9], [-2.1, 18.5, 58.6], [27.7, -24.7, 83.6], [34.5, -26.8, 84.8], [14.7, -21.2, 81.5], [27.1, 10.5, 63.2], [0.3, -0.7, 69.7], [1.0, -7.8, 73.8], [-9.4, -13.6, 77.1], [7.2, 9.4, 63.8], [9.5, -19.2, 80.4], [0.9, 17.8, 59.0], [-2.6, 0.0, 69.3], [-3.5, -15.3, 78.1], [-10.9, -4.5, 71.9], [46.2, -30.5, 86.9], [-5.1, -6.1, 72.8], [-5.1, -6.1, 72.8], [9.4, 15.2, 60.5], [-8.0, -5.3, 72.3], [3.1, -17.3, 79.3], [21.3, -23.0, 82.6], [-17.8, 12.7, 61.9], [-5.3, 19.3, 58.1], [-5.3, 19.3, 58.1], [15.8, -12.7, 76.6], [27.8, 21.6, 56.8], [-7.4, 13.5, 61.5], [40.4, -28.7, 85.9], [6.7, -9.8, 74.9], [19.0, 6.1, 65.8], [36.8, 11.4, 62.7], [18.8, -13.4, 77.0], [60.1, -34.8, 89.4], [28.7, -15.7, 78.3], [34.3, -22.1, 82.0], [-11.2, 2.7, 67.7], [24.4, 22.2, 56.5], [12.7, -11.5, 75.9], [31.1, 20.8, 57.3], [35.8, 6.0, 65.8], [21.4, 22.9, 56.1], [-13.9, -3.2, 71.1], [-13.9, -3.2, 71.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [65.7, 67.5, 70.1, 63.8, 77.2, 66.5, 68.2, 70.5, 66.9, 63.4, 63.8, 64.5, 76.6, 75.4, 74.9, 71.8, 68.9, 72.9, 62.0, 77.1, 71.4, 68.9, 78.4, 71.0, 64.0, 62.6, 74.2, 73.9, 65.8, 61.5, 91.4, 95.4, 85.5, 69.6, 69.7, 74.2, 78.9, 64.9, 83.2, 61.6, 69.3, 79.7, 72.8, 103.0, 73.2, 73.2, 63.1, 73.0, 81.2, 88.3, 65.7, 61.5, 61.5, 79.3, 66.8, 63.4, 99.1, 75.9, 68.7, 73.6, 80.4, 113.1, 84.9, 91.6, 68.7, 65.4, 77.8, 68.4, 75.2, 64.2, 72.6, 72.6] \/nStep 5, find the maximum distance to the drone: 113.1 \/nStep 6, calculate the flight time of the drone: 113.1\/10=11.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":72,
+        "region":"image-level",
+        "qid":391
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'red', 'white', 'gray', 'black', 'white', 'white', 'blue', 'silver', 'black', 'gray', 'blue', 'silver', 'white', 'gray', 'golden', 'white', 'red', 'white', 'white', 'black', 'gray', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'white', 'blue', 'blue', 'silver', 'white', 'silver', 'gray', 'gray', 'blue', 'white', 'black', 'white', 'blue', 'blue', 'red', 'black', 'black', 'brown', 'white', 'white', 'white', 'white', 'red', 'red', 'gray', 'black', 'blue', 'blue', 'white', 'silver', 'silver', 'black', 'white', 'brown', 'white', 'white', 'gray', 'white', 'white', 'black', 'black', 'black', 'black', 'brown', 'black', 'white', 'white'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":392
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":393
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":394
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":23197,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":395
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"A) 472. B) 2832. C) 14160000. D) 708.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'byd tang', 'tesla model 3', 'volkswagen lavida', 'byd han', 'buick envision', 'skoda octavia', 'skoda octavia', 'wey vv6', 'roewe erx5', 'ford mondeo', 'bmw 6 series gt', 'nissan x-trail', 'roewe erx5', 'ford mondeo', 'byd yuan plus', 'citroen c5', 'ford focus', 'roewe erx5', 'audi q3', 'buick regal', 'bmw x3', 'rising er6', 'byd han', 'toyota levin', 'audi a3', 'cadillac xts', 'toyota corolla', 'ideal one', 'tesla model y', 'roewe erx5', 'mercedes-benz glc', 'volkswagen santana', 'volkswagen tayron x', 'bmw 4 series', 'lexus nx', 'tesla model y', 'roewe ei6', 'byd tang', 'byd dolphin', 'denza x', 'volvo v40', 'toyota highlander', 'cadillac ats-l', 'infiniti qx60', 'lexus rx', 'mini mini', 'mazda ruiyi', 'cadillac xt5', 'roewe rx5', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'lexus ct', 'lexus ct', 'byd song', 'volkswagen tayron gte', 'bmw 3 series', 'bmw x1', 'volkswagen lavida', 'lexus rx', 'lexus rx', 'tesla model 3', 'mazda axela', 'buick envision', 'toyota corolla', 'bmw 3 series', 'ford mondeo', 'honda vezel', 'honda vezel', 'chery tiggo', 'tesla model y', 'tesla model y', 'tesla model y', 'volvo s90', 'volkswagen passat', 'audi q3', 'buick regal'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000} \nStep 3, sum the price of each vehicle: 14160000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":396
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":179240,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'byd tang', 'tesla model 3', 'volkswagen lavida', 'byd han', 'buick envision', 'skoda octavia', 'skoda octavia', 'wey vv6', 'roewe erx5', 'ford mondeo', 'bmw 6 series gt', 'nissan x-trail', 'roewe erx5', 'ford mondeo', 'byd yuan plus', 'citroen c5', 'ford focus', 'roewe erx5', 'audi q3', 'buick regal', 'bmw x3', 'rising er6', 'byd han', 'toyota levin', 'audi a3', 'cadillac xts', 'toyota corolla', 'ideal one', 'tesla model y', 'roewe erx5', 'mercedes-benz glc', 'volkswagen santana', 'volkswagen tayron x', 'bmw 4 series', 'lexus nx', 'tesla model y', 'roewe ei6', 'byd tang', 'byd dolphin', 'denza x', 'volvo v40', 'toyota highlander', 'cadillac ats-l', 'infiniti qx60', 'lexus rx', 'mini mini', 'mazda ruiyi', 'cadillac xt5', 'roewe rx5', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'lexus ct', 'lexus ct', 'byd song', 'volkswagen tayron gte', 'bmw 3 series', 'bmw x1', 'volkswagen lavida', 'lexus rx', 'lexus rx', 'tesla model 3', 'mazda axela', 'buick envision', 'toyota corolla', 'bmw 3 series', 'ford mondeo', 'honda vezel', 'honda vezel', 'chery tiggo', 'tesla model y', 'tesla model y', 'tesla model y', 'volvo s90', 'volkswagen passat', 'audi q3', 'buick regal'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000} \nStep 3, calculate the average price of all vehicles: 179240",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":397
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.9, 4.7, 4.7, 5.0, 4.6, 4.8, 4.8, 4.6, 4.7, 4.9, 5.1, 4.7, 4.7, 4.9, 4.5, 4.8, 4.7, 4.7, 4.5, 4.9, 4.7, 4.7, 5.0, 4.6, 4.3, 5.1, 4.6, 5.0, 4.8, 4.7, 4.8, 4.5, 4.6, 4.8, 4.7, 4.8, 4.7, 4.9, 4.1, 4.9, 4.4, 5.0, 4.7, 5.1, 4.9, 3.9, 4.7, 4.8, 4.6, 4.1, 4.1, 4.1, 4.1, 4.4, 4.4, 4.6, 4.6, 4.7, 4.6, 4.7, 4.9, 4.9, 4.7, 4.7, 4.6, 4.6, 4.7, 4.9, 4.4, 4.4, 4.4, 4.8, 4.8, 4.8, 5.1, 4.9, 4.5, 4.9] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":398
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":530000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'byd tang', 'tesla model 3', 'volkswagen lavida', 'byd han', 'buick envision', 'skoda octavia', 'skoda octavia', 'wey vv6', 'roewe erx5', 'ford mondeo', 'bmw 6 series gt', 'nissan x-trail', 'roewe erx5', 'ford mondeo', 'byd yuan plus', 'citroen c5', 'ford focus', 'roewe erx5', 'audi q3', 'buick regal', 'bmw x3', 'rising er6', 'byd han', 'toyota levin', 'audi a3', 'cadillac xts', 'toyota corolla', 'ideal one', 'tesla model y', 'roewe erx5', 'mercedes-benz glc', 'volkswagen santana', 'volkswagen tayron x', 'bmw 4 series', 'lexus nx', 'tesla model y', 'roewe ei6', 'byd tang', 'byd dolphin', 'denza x', 'volvo v40', 'toyota highlander', 'cadillac ats-l', 'infiniti qx60', 'lexus rx', 'mini mini', 'mazda ruiyi', 'cadillac xt5', 'roewe rx5', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'lexus ct', 'lexus ct', 'byd song', 'volkswagen tayron gte', 'bmw 3 series', 'bmw x1', 'volkswagen lavida', 'lexus rx', 'lexus rx', 'tesla model 3', 'mazda axela', 'buick envision', 'toyota corolla', 'bmw 3 series', 'ford mondeo', 'honda vezel', 'honda vezel', 'chery tiggo', 'tesla model y', 'tesla model y', 'tesla model y', 'volvo s90', 'volkswagen passat', 'audi q3', 'buick regal'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000} \nStep 3, calculate the maximum price of all vehicles: 530000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":399
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.9, 4.7, 4.7, 5.0, 4.6, 4.8, 4.8, 4.6, 4.7, 4.9, 5.1, 4.7, 4.7, 4.9, 4.5, 4.8, 4.7, 4.7, 4.5, 4.9, 4.7, 4.7, 5.0, 4.6, 4.3, 5.1, 4.6, 5.0, 4.8, 4.7, 4.8, 4.5, 4.6, 4.8, 4.7, 4.8, 4.7, 4.9, 4.1, 4.9, 4.4, 5.0, 4.7, 5.1, 4.9, 3.9, 4.7, 4.8, 4.6, 4.1, 4.1, 4.1, 4.1, 4.4, 4.4, 4.6, 4.6, 4.7, 4.6, 4.7, 4.9, 4.9, 4.7, 4.7, 4.6, 4.6, 4.7, 4.9, 4.4, 4.4, 4.4, 4.8, 4.8, 4.8, 5.1, 4.9, 4.5, 4.9] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":400
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) yellow. C) brown. D) gray.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'red', 'white', 'gray', 'black', 'white', 'white', 'blue', 'silver', 'black', 'gray', 'blue', 'silver', 'white', 'gray', 'golden', 'white', 'red', 'white', 'white', 'black', 'gray', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'white', 'blue', 'blue', 'silver', 'white', 'silver', 'gray', 'gray', 'blue', 'white', 'black', 'white', 'blue', 'blue', 'red', 'black', 'black', 'brown', 'white', 'white', 'white', 'white', 'red', 'red', 'gray', 'black', 'blue', 'blue', 'white', 'silver', 'silver', 'black', 'white', 'brown', 'white', 'white', 'gray', 'white', 'white', 'black', 'black', 'black', 'black', 'brown', 'black', 'white', 'white'] \/nStep 2, count vehicles for each color: {'white': 29, 'red': 5, 'gray': 8, 'black': 15, 'blue': 10, 'silver': 8, 'golden': 1, 'brown': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":401
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) white. C) yellow. D) brown.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'full-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'mid-size', 'compact', 'compact', 'full-size', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'suv', 'sports', 'suv', 'mid-size', 'compact', 'suv', 'subcompact', 'suv', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'micro-size', 'mid-size', 'suv', 'suv', 'micro-size', 'micro-size', 'micro-size', 'micro-size', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'full-size', 'mid-size', 'suv', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['white', 'white', 'white', 'white', 'white', 'gray', 'silver', 'white', 'white', 'white', 'silver', 'white', 'red', 'red', 'white', 'white', 'white'] \nStep 3, count compact vehicles for each color: {'white': 12, 'gray': 1, 'silver': 2, 'red': 2} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":402
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 78 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 6. C) 1. D) 7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 79 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 79-78=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":403
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 3. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'red', 'white', 'gray', 'black', 'white', 'white', 'blue', 'silver', 'black', 'gray', 'blue', 'silver', 'white', 'gray', 'golden', 'white', 'red', 'white', 'white', 'black', 'gray', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'white', 'blue', 'blue', 'silver', 'white', 'silver', 'gray', 'gray', 'blue', 'white', 'black', 'white', 'blue', 'blue', 'red', 'black', 'black', 'brown', 'white', 'white', 'white', 'white', 'red', 'red', 'gray', 'black', 'blue', 'blue', 'white', 'silver', 'silver', 'black', 'white', 'brown', 'white', 'white', 'gray', 'white', 'white', 'black', 'black', 'black', 'black', 'brown', 'black', 'white', 'white'] \/nStep 2, count all brown vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":404
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":65,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'byd tang', 'tesla model 3', 'volkswagen lavida', 'byd han', 'buick envision', 'skoda octavia', 'skoda octavia', 'wey vv6', 'roewe erx5', 'ford mondeo', 'bmw 6 series gt', 'nissan x-trail', 'roewe erx5', 'ford mondeo', 'byd yuan plus', 'citroen c5', 'ford focus', 'roewe erx5', 'audi q3', 'buick regal', 'bmw x3', 'rising er6', 'byd han', 'toyota levin', 'audi a3', 'cadillac xts', 'toyota corolla', 'ideal one', 'tesla model y', 'roewe erx5', 'mercedes-benz glc', 'volkswagen santana', 'volkswagen tayron x', 'bmw 4 series', 'lexus nx', 'tesla model y', 'roewe ei6', 'byd tang', 'byd dolphin', 'denza x', 'volvo v40', 'toyota highlander', 'cadillac ats-l', 'infiniti qx60', 'lexus rx', 'mini mini', 'mazda ruiyi', 'cadillac xt5', 'roewe rx5', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'volkswagen polo', 'lexus ct', 'lexus ct', 'byd song', 'volkswagen tayron gte', 'bmw 3 series', 'bmw x1', 'volkswagen lavida', 'lexus rx', 'lexus rx', 'tesla model 3', 'mazda axela', 'buick envision', 'toyota corolla', 'bmw 3 series', 'ford mondeo', 'honda vezel', 'honda vezel', 'chery tiggo', 'tesla model y', 'tesla model y', 'tesla model y', 'volvo s90', 'volkswagen passat', 'audi q3', 'buick regal'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000} \nStep 3, count vehicles priced below 300000 RMB: 65",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":405
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many silver subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'red', 'white', 'gray', 'black', 'white', 'white', 'blue', 'silver', 'black', 'gray', 'blue', 'silver', 'white', 'gray', 'golden', 'white', 'red', 'white', 'white', 'black', 'gray', 'black', 'silver', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'white', 'blue', 'blue', 'silver', 'white', 'silver', 'gray', 'gray', 'blue', 'white', 'black', 'white', 'blue', 'blue', 'red', 'black', 'black', 'brown', 'white', 'white', 'white', 'white', 'red', 'red', 'gray', 'black', 'blue', 'blue', 'white', 'silver', 'silver', 'black', 'white', 'brown', 'white', 'white', 'gray', 'white', 'white', 'black', 'black', 'black', 'black', 'brown', 'black', 'white', 'white'] \nStep 2, identify the type of silver vehicles: ['suv', 'suv', 'compact', 'suv', 'suv', 'compact', 'suv', 'suv'] \nStep 3, count silver subcompact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":406
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"tesla",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1861.0, 1344.0], [2005.4, 1150.6], [1682.3, 1946.9], [2523.4, 1922.9], [1434.6, 1299.8], [1179.6, 2059.9], [1466.4, 1444.2], [1466.4, 1444.2], [794.6, 1394.3], [2080.3, 1269.8], [1426.4, 2024.5], [1752.3, 1086.8], [1389.3, 1106.2], [1379.3, 1047.4], [1831.5, 1276.1], [1733.3, 1027.7], [1246.6, 1512.6], [1712.1, 978.5], [1347.3, 990.5], [1792.2, 1143.0], [1456.3, 1368.9], [1957.1, 1035.1], [2161.7, 1489.1], [1408.3, 1172.4], [812.4, 1545.0], [1699.2, 923.7], [1884.5, 879.8], [2079.1, 804.1], [1804.6, 1198.5], [801.6, 1468.0], [1922.7, 976.8], [1252.0, 1591.8], [1977.7, 1095.4], [1149.9, 1049.4], [2099.3, 1344.0], [1143.1, 987.1], [820.9, 1621.7], [2508.4, 1545.1], [790.6, 1254.7], [1488.0, 1517.2], [1338.0, 940.6], [2591.7, 1717.7], [1216.5, 1357.5], [2343.5, 1271.0], [1512.4, 1598.2], [793.9, 1324.7], [2039.0, 1214.3], [1414.6, 1237.3], [2801.8, 2092.9], [1163.4, 1106.7], [2266.0, 1757.5], [2266.0, 1757.5], [2701.1, 1916.0], [2701.1, 1916.0], [1905.3, 929.0], [1905.3, 929.0], [2142.3, 1413.6], [1669.6, 875.9], [2196.9, 1010.9], [1895.2, 1414.0], [2417.5, 1387.8], [2135.0, 902.4], [2135.0, 902.4], [1170.5, 1172.9], [828.8, 1696.3], [790.5, 1196.6], [1532.3, 1674.4], [1270.1, 1673.1], [2268.5, 1137.9], [1282.7, 1755.1], [1282.7, 1755.1], [1835.7, 833.9], [1974.5, 642.9], [1974.5, 642.9], [1974.5, 642.9], [783.5, 1131.8], [760.6, 1078.0], [1928.7, 1477.0], [1949.1, 1542.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.6, 7.2, 91.8], [0.2, 0.9, 98.1], [-8.7, 22.6, 76.4], [14.5, 22.1, 76.9], [-19.0, 5.9, 93.1], [-21.9, 24.9, 74.0], [-17.1, 10.2, 88.8], [-17.1, 10.2, 88.8], [-39.2, 8.8, 90.2], [2.7, 4.9, 94.1], [-15.5, 24.2, 74.8], [-9.0, -1.4, 100.4], [-21.9, -0.7, 99.7], [-22.8, -2.8, 101.8], [-5.7, 5.1, 93.9], [-9.9, -3.6, 102.6], [-23.6, 12.1, 86.9], [-10.8, -5.5, 104.5], [-24.5, -5.0, 104.0], [-7.4, 0.6, 98.4], [-17.8, 8.0, 91.0], [-1.6, -3.3, 102.3], [5.1, 11.5, 87.5], [-20.8, 1.7, 97.3], [-36.8, 13.0, 86.0], [-11.6, -7.7, 106.7], [-4.5, -9.6, 108.6], [3.2, -12.9, 111.9], [-6.8, 2.6, 96.4], [-38.1, 10.9, 88.1], [-2.9, -5.6, 104.6], [-22.8, 14.3, 84.7], [-0.8, -1.1, 100.1], [-31.2, -2.8, 101.8], [3.3, 7.2, 91.8], [-32.2, -5.2, 104.2], [-35.7, 15.0, 84.0], [15.8, 13.0, 86.0], [-41.2, 4.4, 94.6], [-16.0, 12.3, 86.7], [-25.3, -7.0, 106.0], [17.4, 17.4, 81.6], [-25.8, 7.7, 91.3], [11.6, 4.9, 94.0], [-14.9, 14.4, 84.6], [-40.1, 6.6, 92.3], [1.3, 3.1, 95.9], [-20.1, 3.9, 95.1], [21.2, 25.6, 73.4], [-30.0, -0.7, 99.7], [7.7, 18.4, 80.6], [7.7, 18.4, 80.6], [19.5, 22.0, 77.0], [19.5, 22.0, 77.0], [-3.6, -7.5, 106.5], [-3.6, -7.5, 106.5], [4.6, 9.3, 89.7], [-13.0, -9.8, 108.8], [7.3, -4.2, 103.2], [-3.4, 9.3, 89.7], [13.6, 8.6, 90.4], [5.2, -8.6, 107.6], [5.2, -8.6, 107.6], [-29.1, 1.7, 97.3], [-34.7, 16.9, 82.1], [-42.1, 2.5, 96.5], [-13.9, 16.4, 82.6], [-21.7, 16.3, 82.7], [9.5, 0.5, 98.5], [-20.9, 18.3, 80.7], [-20.9, 18.3, 80.7], [-6.5, -11.6, 110.6], [-1.1, -20.8, 119.8], [-1.1, -20.8, 119.8], [-1.1, -20.8, 119.8], [-43.3, 0.2, 98.8], [-45.0, -1.7, 100.7], [-2.3, 11.1, 87.8], [-1.6, 13.0, 86.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [92.2, 98.1, 80.1, 81.3, 95.2, 81.1, 91.0, 91.0, 98.8, 94.3, 80.1, 100.8, 102.1, 104.4, 94.2, 103.1, 90.8, 105.2, 107.0, 98.6, 93.1, 102.4, 88.4, 99.5, 94.4, 107.6, 109.1, 112.7, 96.7, 96.6, 104.8, 88.9, 100.1, 106.5, 92.1, 109.2, 92.5, 88.4, 103.3, 89.0, 109.2, 85.2, 95.2, 94.9, 87.1, 100.9, 96.0, 97.3, 80.6, 104.1, 83.0, 83.0, 82.4, 82.4, 106.8, 106.8, 90.3, 110.0, 103.6, 90.2, 91.8, 108.1, 108.1, 101.6, 90.7, 105.3, 85.4, 87.0, 99.0, 85.3, 85.3, 111.4, 121.6, 121.6, 121.6, 107.8, 110.3, 88.6, 87.0] \/nStep 5, find the minimum distance to the drone: 80.1 \/nStep 6, identify the brand of this vehicle: tesla",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":407
+    },
+    {
+        "image":"fbfa05bd-DJI_0216.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1861.0, 1344.0], [2005.4, 1150.6], [1682.3, 1946.9], [2523.4, 1922.9], [1434.6, 1299.8], [1179.6, 2059.9], [1466.4, 1444.2], [1466.4, 1444.2], [794.6, 1394.3], [2080.3, 1269.8], [1426.4, 2024.5], [1752.3, 1086.8], [1389.3, 1106.2], [1379.3, 1047.4], [1831.5, 1276.1], [1733.3, 1027.7], [1246.6, 1512.6], [1712.1, 978.5], [1347.3, 990.5], [1792.2, 1143.0], [1456.3, 1368.9], [1957.1, 1035.1], [2161.7, 1489.1], [1408.3, 1172.4], [812.4, 1545.0], [1699.2, 923.7], [1884.5, 879.8], [2079.1, 804.1], [1804.6, 1198.5], [801.6, 1468.0], [1922.7, 976.8], [1252.0, 1591.8], [1977.7, 1095.4], [1149.9, 1049.4], [2099.3, 1344.0], [1143.1, 987.1], [820.9, 1621.7], [2508.4, 1545.1], [790.6, 1254.7], [1488.0, 1517.2], [1338.0, 940.6], [2591.7, 1717.7], [1216.5, 1357.5], [2343.5, 1271.0], [1512.4, 1598.2], [793.9, 1324.7], [2039.0, 1214.3], [1414.6, 1237.3], [2801.8, 2092.9], [1163.4, 1106.7], [2266.0, 1757.5], [2266.0, 1757.5], [2701.1, 1916.0], [2701.1, 1916.0], [1905.3, 929.0], [1905.3, 929.0], [2142.3, 1413.6], [1669.6, 875.9], [2196.9, 1010.9], [1895.2, 1414.0], [2417.5, 1387.8], [2135.0, 902.4], [2135.0, 902.4], [1170.5, 1172.9], [828.8, 1696.3], [790.5, 1196.6], [1532.3, 1674.4], [1270.1, 1673.1], [2268.5, 1137.9], [1282.7, 1755.1], [1282.7, 1755.1], [1835.7, 833.9], [1974.5, 642.9], [1974.5, 642.9], [1974.5, 642.9], [783.5, 1131.8], [760.6, 1078.0], [1928.7, 1477.0], [1949.1, 1542.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.6, 7.2, 91.8], [0.2, 0.9, 98.1], [-8.7, 22.6, 76.4], [14.5, 22.1, 76.9], [-19.0, 5.9, 93.1], [-21.9, 24.9, 74.0], [-17.1, 10.2, 88.8], [-17.1, 10.2, 88.8], [-39.2, 8.8, 90.2], [2.7, 4.9, 94.1], [-15.5, 24.2, 74.8], [-9.0, -1.4, 100.4], [-21.9, -0.7, 99.7], [-22.8, -2.8, 101.8], [-5.7, 5.1, 93.9], [-9.9, -3.6, 102.6], [-23.6, 12.1, 86.9], [-10.8, -5.5, 104.5], [-24.5, -5.0, 104.0], [-7.4, 0.6, 98.4], [-17.8, 8.0, 91.0], [-1.6, -3.3, 102.3], [5.1, 11.5, 87.5], [-20.8, 1.7, 97.3], [-36.8, 13.0, 86.0], [-11.6, -7.7, 106.7], [-4.5, -9.6, 108.6], [3.2, -12.9, 111.9], [-6.8, 2.6, 96.4], [-38.1, 10.9, 88.1], [-2.9, -5.6, 104.6], [-22.8, 14.3, 84.7], [-0.8, -1.1, 100.1], [-31.2, -2.8, 101.8], [3.3, 7.2, 91.8], [-32.2, -5.2, 104.2], [-35.7, 15.0, 84.0], [15.8, 13.0, 86.0], [-41.2, 4.4, 94.6], [-16.0, 12.3, 86.7], [-25.3, -7.0, 106.0], [17.4, 17.4, 81.6], [-25.8, 7.7, 91.3], [11.6, 4.9, 94.0], [-14.9, 14.4, 84.6], [-40.1, 6.6, 92.3], [1.3, 3.1, 95.9], [-20.1, 3.9, 95.1], [21.2, 25.6, 73.4], [-30.0, -0.7, 99.7], [7.7, 18.4, 80.6], [7.7, 18.4, 80.6], [19.5, 22.0, 77.0], [19.5, 22.0, 77.0], [-3.6, -7.5, 106.5], [-3.6, -7.5, 106.5], [4.6, 9.3, 89.7], [-13.0, -9.8, 108.8], [7.3, -4.2, 103.2], [-3.4, 9.3, 89.7], [13.6, 8.6, 90.4], [5.2, -8.6, 107.6], [5.2, -8.6, 107.6], [-29.1, 1.7, 97.3], [-34.7, 16.9, 82.1], [-42.1, 2.5, 96.5], [-13.9, 16.4, 82.6], [-21.7, 16.3, 82.7], [9.5, 0.5, 98.5], [-20.9, 18.3, 80.7], [-20.9, 18.3, 80.7], [-6.5, -11.6, 110.6], [-1.1, -20.8, 119.8], [-1.1, -20.8, 119.8], [-1.1, -20.8, 119.8], [-43.3, 0.2, 98.8], [-45.0, -1.7, 100.7], [-2.3, 11.1, 87.8], [-1.6, 13.0, 86.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [92.2, 98.1, 80.1, 81.3, 95.2, 81.1, 91.0, 91.0, 98.8, 94.3, 80.1, 100.8, 102.1, 104.4, 94.2, 103.1, 90.8, 105.2, 107.0, 98.6, 93.1, 102.4, 88.4, 99.5, 94.4, 107.6, 109.1, 112.7, 96.7, 96.6, 104.8, 88.9, 100.1, 106.5, 92.1, 109.2, 92.5, 88.4, 103.3, 89.0, 109.2, 85.2, 95.2, 94.9, 87.1, 100.9, 96.0, 97.3, 80.6, 104.1, 83.0, 83.0, 82.4, 82.4, 106.8, 106.8, 90.3, 110.0, 103.6, 90.2, 91.8, 108.1, 108.1, 101.6, 90.7, 105.3, 85.4, 87.0, 99.0, 85.3, 85.3, 111.4, 121.6, 121.6, 121.6, 107.8, 110.3, 88.6, 87.0] \/nStep 5, find the minimum distance to the drone: 80.1 \/nStep 6, calculate the flight time of the drone: 80.1\/16=5.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":79,
+        "region":"image-level",
+        "qid":408
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new green car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'gray', 'black', 'white', 'gray', 'white', 'white', 'white', 'black', 'gray', 'white', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'black', 'white', 'brown', 'golden', 'golden', 'blue', 'brown'] \/nStep 2, there is no green car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":409
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 110. B) 20. C) 120. D) 40.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":410
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":411
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":1869,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":412
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"",
+        "answer":3830000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'skoda karoq', 'rising marvel r', 'hyundai tucson', 'toyota corolla', 'byd qin plus', 'skoda fabia', 'mercedes-benz c-class', 'lexus es', 'harvard h6', 'kia forte', 'volkswagen tiguan', 'audi a3', 'volkswagen lavida', 'volvo s60', 'volkswagen lavida', 'audi a4l', 'geely haoyue', 'nissan x-trail', 'tesla model y', 'volkswagen sharan', 'buick excelle', 'volkswagen passat', 'skoda kamiq', 'porsche macan'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000} \nStep 3, sum the price of each vehicle: 3830000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":413
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"",
+        "answer":410000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'gray', 'black', 'white', 'gray', 'white', 'white', 'white', 'black', 'gray', 'white', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'black', 'white', 'brown', 'golden', 'golden', 'blue', 'brown'] \nStep 2, identify the model of golden vehicles: ['volvo s60', 'buick excelle', 'volkswagen passat'] \nStep 3, query vehicle prices: {'volvo s60': 230000, 'buick excelle': 45000, 'volkswagen passat': 135000} \nStep 4, sum the price of each golden vehicle: 410000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":414
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"A) 20000. B) 410000. C) 153200. D) 110000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'skoda karoq', 'rising marvel r', 'hyundai tucson', 'toyota corolla', 'byd qin plus', 'skoda fabia', 'mercedes-benz c-class', 'lexus es', 'harvard h6', 'kia forte', 'volkswagen tiguan', 'audi a3', 'volkswagen lavida', 'volvo s60', 'volkswagen lavida', 'audi a4l', 'geely haoyue', 'nissan x-trail', 'tesla model y', 'volkswagen sharan', 'buick excelle', 'volkswagen passat', 'skoda kamiq', 'porsche macan'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000} \nStep 3, calculate the average price of all vehicles: 153200",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":415
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"",
+        "answer":110000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'skoda karoq', 'rising marvel r', 'hyundai tucson', 'toyota corolla', 'byd qin plus', 'skoda fabia', 'mercedes-benz c-class', 'lexus es', 'harvard h6', 'kia forte', 'volkswagen tiguan', 'audi a3', 'volkswagen lavida', 'volvo s60', 'volkswagen lavida', 'audi a4l', 'geely haoyue', 'nissan x-trail', 'tesla model y', 'volkswagen sharan', 'buick excelle', 'volkswagen passat', 'skoda kamiq', 'porsche macan'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000} \nStep 3, calculate the median price of all vehicles: 110000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":416
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"A) 20000. B) 715000. C) 410000. D) 110000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'skoda karoq', 'rising marvel r', 'hyundai tucson', 'toyota corolla', 'byd qin plus', 'skoda fabia', 'mercedes-benz c-class', 'lexus es', 'harvard h6', 'kia forte', 'volkswagen tiguan', 'audi a3', 'volkswagen lavida', 'volvo s60', 'volkswagen lavida', 'audi a4l', 'geely haoyue', 'nissan x-trail', 'tesla model y', 'volkswagen sharan', 'buick excelle', 'volkswagen passat', 'skoda kamiq', 'porsche macan'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":417
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.4, 4.7, 4.7, 4.6, 4.8, 4.0, 4.9, 5.0, 4.7, 4.5, 4.5, 4.3, 4.7, 4.8, 4.7, 4.9, 4.8, 4.7, 4.8, 4.9, 4.6, 4.9, 4.4, 4.7] \nStep 5, find the minimum length of all vehicles: 4.0",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":418
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) orange. C) white. D) purple.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'gray', 'black', 'white', 'gray', 'white', 'white', 'white', 'black', 'gray', 'white', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'black', 'white', 'brown', 'golden', 'golden', 'blue', 'brown'] \/nStep 2, count vehicles for each color: {'silver': 1, 'brown': 3, 'gray': 4, 'black': 3, 'white': 9, 'golden': 3, 'blue': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":419
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'suv', 'compact', 'compact', 'subcompact', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'mpv', 'compact', 'mid-size', 'suv', 'suv'] \nStep 2, identify the color of subcompact vehicles: ['white'] \nStep 3, count subcompact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of subcompact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":420
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 15 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 25 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 25-15=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":421
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'suv', 'compact', 'compact', 'subcompact', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'mpv', 'compact', 'mid-size', 'suv', 'suv'] \/nStep 2, count all mid-size vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":422
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'skoda karoq', 'rising marvel r', 'hyundai tucson', 'toyota corolla', 'byd qin plus', 'skoda fabia', 'mercedes-benz c-class', 'lexus es', 'harvard h6', 'kia forte', 'volkswagen tiguan', 'audi a3', 'volkswagen lavida', 'volvo s60', 'volkswagen lavida', 'audi a4l', 'geely haoyue', 'nissan x-trail', 'tesla model y', 'volkswagen sharan', 'buick excelle', 'volkswagen passat', 'skoda kamiq', 'porsche macan'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'porsche macan': 715000} \nStep 3, count vehicles priced below 100000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":423
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 0. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'gray', 'black', 'white', 'gray', 'white', 'white', 'white', 'black', 'gray', 'white', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'black', 'white', 'brown', 'golden', 'golden', 'blue', 'brown'] \nStep 2, identify the type of black vehicles: ['suv', 'suv', 'suv'] \nStep 3, count black mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":424
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2623.9, 1245.1], [2283.2, 376.3], [2684.5, 1606.1], [2621.5, 1431.7], [2353.4, 560.9], [3712.7, 1834.0], [2737.8, 1785.8], [2403.2, 738.5], [2238.7, 194.0], [2531.9, 1092.1], [3808.9, 1992.2], [3507.6, 948.7], [2784.4, 1953.4], [3679.9, 1663.1], [2442.7, 916.1], [3463.2, 777.2], [3559.9, 1140.0], [3680.3, 1478.9], [3611.8, 1309.0], [3426.3, 597.6], [3344.4, 237.7], [3349.8, 425.7], [2845.6, 2124.7], [3852.8, 2167.5], [3252.8, 66.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.0, 1.7, 40.0], [4.1, -10.8, 40.0], [9.9, 6.9, 40.0], [9.0, 4.4, 40.0], [5.1, -8.1, 40.0], [24.7, 10.2, 40.0], [10.6, 9.5, 40.0], [5.8, -5.6, 40.0], [3.4, -13.4, 40.0], [7.7, -0.5, 40.0], [26.1, 12.5, 40.0], [21.7, -2.5, 40.0], [11.3, 11.9, 40.0], [24.2, 7.8, 40.0], [6.4, -3.0, 40.0], [21.1, -5.0, 40.0], [22.5, 0.2, 40.0], [24.2, 5.1, 40.0], [23.2, 2.7, 40.0], [20.6, -7.6, 40.0], [19.4, -12.8, 40.0], [19.5, -10.1, 40.0], [12.2, 14.4, 40.0], [26.7, 15.0, 40.0], [18.1, -15.3, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.0, 41.6, 41.8, 41.2, 41.1, 48.1, 42.5, 40.8, 42.3, 40.7, 49.4, 45.6, 43.2, 47.4, 40.6, 45.5, 45.9, 47.0, 46.3, 45.6, 46.3, 45.6, 44.2, 50.4, 46.5] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":425
+    },
+    {
+        "image":"f87d7dee-DJI_0229.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2623.9, 1245.1], [2283.2, 376.3], [2684.5, 1606.1], [2621.5, 1431.7], [2353.4, 560.9], [3712.7, 1834.0], [2737.8, 1785.8], [2403.2, 738.5], [2238.7, 194.0], [2531.9, 1092.1], [3808.9, 1992.2], [3507.6, 948.7], [2784.4, 1953.4], [3679.9, 1663.1], [2442.7, 916.1], [3463.2, 777.2], [3559.9, 1140.0], [3680.3, 1478.9], [3611.8, 1309.0], [3426.3, 597.6], [3344.4, 237.7], [3349.8, 425.7], [2845.6, 2124.7], [3852.8, 2167.5], [3252.8, 66.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.0, 1.7, 40.0], [4.1, -10.8, 40.0], [9.9, 6.9, 40.0], [9.0, 4.4, 40.0], [5.1, -8.1, 40.0], [24.7, 10.2, 40.0], [10.6, 9.5, 40.0], [5.8, -5.6, 40.0], [3.4, -13.4, 40.0], [7.7, -0.5, 40.0], [26.1, 12.5, 40.0], [21.7, -2.5, 40.0], [11.3, 11.9, 40.0], [24.2, 7.8, 40.0], [6.4, -3.0, 40.0], [21.1, -5.0, 40.0], [22.5, 0.2, 40.0], [24.2, 5.1, 40.0], [23.2, 2.7, 40.0], [20.6, -7.6, 40.0], [19.4, -12.8, 40.0], [19.5, -10.1, 40.0], [12.2, 14.4, 40.0], [26.7, 15.0, 40.0], [18.1, -15.3, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.0, 41.6, 41.8, 41.2, 41.1, 48.1, 42.5, 40.8, 42.3, 40.7, 49.4, 45.6, 43.2, 47.4, 40.6, 45.5, 45.9, 47.0, 46.3, 45.6, 46.3, 45.6, 44.2, 50.4, 46.5] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, calculate the flight time of the drone: 40.6\/10=4.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":25,
+        "region":"image-level",
+        "qid":426
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Rachel said she bought a new gray car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'gray', 'white', 'black', 'gray', 'white', 'silver', 'blue', 'white', 'brown', 'brown', 'white', 'white', 'golden', 'white', 'black', 'white', 'black', 'white', 'golden', 'golden', 'golden', 'golden', 'white', 'brown', 'blue', 'gray', 'gray', 'gray', 'white', 'golden'] \/nStep 2, there is an gray car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":427
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 40. B) 70. C) 30. D) 80.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":428
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":429
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 12477. B) 9477. C) 7977. D) 7477.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":430
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":5160000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model y', 'rising marvel r', 'mercedes-benz c-class', 'nissan x-trail', 'audi q3', 'lexus es', 'roewe 550', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'mercedes-benz c-class', 'toyota corolla', 'volvo s60', 'audi a3', 'hyundai tucson', 'skoda fabia', 'harvard h6', 'volkswagen lavida', 'volvo s60', 'volvo s60', 'volkswagen passat', 'buick excelle', 'mini mini', 'skoda karoq', 'geely haoyue', 'kia forte', 'kia forte', 'byd qin plus', 'volkswagen lavida', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000} \nStep 3, sum the price of each vehicle: 5160000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":431
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"A) 92500. B) 185000. C) 110000. D) 75000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'gray', 'white', 'black', 'gray', 'white', 'silver', 'blue', 'white', 'brown', 'brown', 'white', 'white', 'golden', 'white', 'black', 'white', 'black', 'white', 'golden', 'golden', 'golden', 'golden', 'white', 'brown', 'blue', 'gray', 'gray', 'gray', 'white', 'golden'] \nStep 2, identify the model of blue vehicles: ['skoda kamiq', 'geely haoyue'] \nStep 3, query vehicle prices: {'skoda kamiq': 110000, 'geely haoyue': 75000} \nStep 4, sum the price of each blue vehicle: 185000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":432
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.8, 4.7, 4.9, 4.7, 4.5, 5.0, 4.6, 4.4, 4.5, 4.9, 4.7, 4.9, 4.6, 4.8, 4.3, 4.7, 4.0, 4.7, 4.7, 4.8, 4.8, 4.9, 4.6, 3.9, 4.4, 4.8, 4.5, 4.5, 4.8, 4.7, 4.9] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":433
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":135000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model y', 'rising marvel r', 'mercedes-benz c-class', 'nissan x-trail', 'audi q3', 'lexus es', 'roewe 550', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'mercedes-benz c-class', 'toyota corolla', 'volvo s60', 'audi a3', 'hyundai tucson', 'skoda fabia', 'harvard h6', 'volkswagen lavida', 'volvo s60', 'volvo s60', 'volkswagen passat', 'buick excelle', 'mini mini', 'skoda karoq', 'geely haoyue', 'kia forte', 'kia forte', 'byd qin plus', 'volkswagen lavida', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":434
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":715000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model y', 'rising marvel r', 'mercedes-benz c-class', 'nissan x-trail', 'audi q3', 'lexus es', 'roewe 550', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'mercedes-benz c-class', 'toyota corolla', 'volvo s60', 'audi a3', 'hyundai tucson', 'skoda fabia', 'harvard h6', 'volkswagen lavida', 'volvo s60', 'volvo s60', 'volkswagen passat', 'buick excelle', 'mini mini', 'skoda karoq', 'geely haoyue', 'kia forte', 'kia forte', 'byd qin plus', 'volkswagen lavida', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":435
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model y', 'rising marvel r', 'mercedes-benz c-class', 'nissan x-trail', 'audi q3', 'lexus es', 'roewe 550', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'mercedes-benz c-class', 'toyota corolla', 'volvo s60', 'audi a3', 'hyundai tucson', 'skoda fabia', 'harvard h6', 'volkswagen lavida', 'volvo s60', 'volvo s60', 'volkswagen passat', 'buick excelle', 'mini mini', 'skoda karoq', 'geely haoyue', 'kia forte', 'kia forte', 'byd qin plus', 'volkswagen lavida', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":436
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'gray', 'white', 'black', 'gray', 'white', 'silver', 'blue', 'white', 'brown', 'brown', 'white', 'white', 'golden', 'white', 'black', 'white', 'black', 'white', 'golden', 'golden', 'golden', 'golden', 'white', 'brown', 'blue', 'gray', 'gray', 'gray', 'white', 'golden'] \/nStep 2, count vehicles for each color: {'gray': 6, 'white': 11, 'black': 3, 'silver': 1, 'blue': 2, 'brown': 3, 'golden': 6}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":437
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'suv', 'mid-size', 'compact', 'mid-size', 'compact', 'suv', 'subcompact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'micro-size', 'suv', 'suv', 'compact', 'compact', 'compact', 'compact', 'mid-size'] \nStep 2, identify the color of micro-size vehicles: ['white'] \nStep 3, count micro-size vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of micro-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":438
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 30 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 7. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 32 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 32-30=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":439
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'suv', 'mid-size', 'compact', 'mid-size', 'compact', 'suv', 'subcompact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'micro-size', 'suv', 'suv', 'compact', 'compact', 'compact', 'compact', 'mid-size'] \/nStep 2, count all mid-size vehicles: 10",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":440
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":31,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a4l', 'tesla model y', 'rising marvel r', 'mercedes-benz c-class', 'nissan x-trail', 'audi q3', 'lexus es', 'roewe 550', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'mercedes-benz c-class', 'toyota corolla', 'volvo s60', 'audi a3', 'hyundai tucson', 'skoda fabia', 'harvard h6', 'volkswagen lavida', 'volvo s60', 'volvo s60', 'volkswagen passat', 'buick excelle', 'mini mini', 'skoda karoq', 'geely haoyue', 'kia forte', 'kia forte', 'byd qin plus', 'volkswagen lavida', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000} \nStep 3, count vehicles priced below 500000 RMB: 31",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":441
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many black micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'gray', 'white', 'black', 'gray', 'white', 'silver', 'blue', 'white', 'brown', 'brown', 'white', 'white', 'golden', 'white', 'black', 'white', 'black', 'white', 'golden', 'golden', 'golden', 'golden', 'white', 'brown', 'blue', 'gray', 'gray', 'gray', 'white', 'golden'] \nStep 2, identify the type of black vehicles: ['suv', 'suv', 'suv'] \nStep 3, count black micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":442
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"x-trail",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1419.1, 1276.5], [1314.9, 1031.0], [1031.7, 1546.5], [1697.8, 1895.9], [1449.0, 1354.8], [1123.3, 625.6], [726.1, 901.1], [981.2, 1377.8], [1623.9, 1746.5], [1379.4, 1188.9], [1249.1, 868.9], [1195.5, 791.8], [843.1, 1147.0], [806.2, 1064.9], [874.1, 1231.2], [1106.1, 1709.1], [991.2, 1468.7], [1071.9, 1631.7], [926.3, 1310.4], [1348.6, 1111.9], [1732.6, 1969.8], [1732.6, 1969.8], [1165.3, 705.5], [1270.9, 953.1], [1664.7, 1824.0], [759.4, 985.7], [1484.4, 1433.1], [1592.0, 1668.1], [1592.0, 1668.1], [1518.9, 1602.7], [1489.6, 1527.2], [1144.4, 1785.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.7, 4.4, 80.0], [-19.8, -2.7, 80.0], [-27.9, 12.2, 80.0], [-8.7, 22.2, 80.0], [-15.9, 6.6, 80.0], [-25.3, -14.4, 80.0], [-36.7, -6.5, 80.0], [-29.4, 7.3, 80.0], [-10.8, 17.9, 80.0], [-17.9, 1.8, 80.0], [-21.7, -7.4, 80.0], [-23.2, -9.6, 80.0], [-33.4, 0.6, 80.0], [-34.4, -1.7, 80.0], [-32.5, 3.1, 80.0], [-25.8, 16.8, 80.0], [-29.1, 9.9, 80.0], [-26.8, 14.6, 80.0], [-31.0, 5.3, 80.0], [-18.8, -0.4, 80.0], [-7.7, 24.4, 80.0], [-7.7, 24.4, 80.0], [-24.1, -12.1, 80.0], [-21.0, -5.0, 80.0], [-9.7, 20.2, 80.0], [-35.8, -4.0, 80.0], [-14.9, 8.9, 80.0], [-11.8, 15.7, 80.0], [-11.8, 15.7, 80.0], [-13.9, 13.8, 80.0], [-14.7, 11.6, 80.0], [-24.7, 19.1, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.9, 82.4, 85.6, 83.5, 81.8, 85.1, 88.3, 85.5, 82.7, 82.0, 83.2, 83.8, 86.7, 87.1, 86.4, 85.7, 85.7, 85.6, 85.9, 82.2, 84.0, 84.0, 84.4, 82.9, 83.1, 87.7, 81.9, 82.4, 82.4, 82.4, 82.2, 85.9] \/nStep 5, find the minimum distance to the drone: 81.8 \/nStep 6, identify the model of this vehicle: x-trail",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":443
+    },
+    {
+        "image":"e0a623cb-DJI_0231.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":6.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1419.1, 1276.5], [1314.9, 1031.0], [1031.7, 1546.5], [1697.8, 1895.9], [1449.0, 1354.8], [1123.3, 625.6], [726.1, 901.1], [981.2, 1377.8], [1623.9, 1746.5], [1379.4, 1188.9], [1249.1, 868.9], [1195.5, 791.8], [843.1, 1147.0], [806.2, 1064.9], [874.1, 1231.2], [1106.1, 1709.1], [991.2, 1468.7], [1071.9, 1631.7], [926.3, 1310.4], [1348.6, 1111.9], [1732.6, 1969.8], [1732.6, 1969.8], [1165.3, 705.5], [1270.9, 953.1], [1664.7, 1824.0], [759.4, 985.7], [1484.4, 1433.1], [1592.0, 1668.1], [1592.0, 1668.1], [1518.9, 1602.7], [1489.6, 1527.2], [1144.4, 1785.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.7, 4.4, 80.0], [-19.8, -2.7, 80.0], [-27.9, 12.2, 80.0], [-8.7, 22.2, 80.0], [-15.9, 6.6, 80.0], [-25.3, -14.4, 80.0], [-36.7, -6.5, 80.0], [-29.4, 7.3, 80.0], [-10.8, 17.9, 80.0], [-17.9, 1.8, 80.0], [-21.7, -7.4, 80.0], [-23.2, -9.6, 80.0], [-33.4, 0.6, 80.0], [-34.4, -1.7, 80.0], [-32.5, 3.1, 80.0], [-25.8, 16.8, 80.0], [-29.1, 9.9, 80.0], [-26.8, 14.6, 80.0], [-31.0, 5.3, 80.0], [-18.8, -0.4, 80.0], [-7.7, 24.4, 80.0], [-7.7, 24.4, 80.0], [-24.1, -12.1, 80.0], [-21.0, -5.0, 80.0], [-9.7, 20.2, 80.0], [-35.8, -4.0, 80.0], [-14.9, 8.9, 80.0], [-11.8, 15.7, 80.0], [-11.8, 15.7, 80.0], [-13.9, 13.8, 80.0], [-14.7, 11.6, 80.0], [-24.7, 19.1, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.9, 82.4, 85.6, 83.5, 81.8, 85.1, 88.3, 85.5, 82.7, 82.0, 83.2, 83.8, 86.7, 87.1, 86.4, 85.7, 85.7, 85.6, 85.9, 82.2, 84.0, 84.0, 84.4, 82.9, 83.1, 87.7, 81.9, 82.4, 82.4, 82.4, 82.2, 85.9] \/nStep 5, find the minimum distance to the drone: 81.8 \/nStep 6, calculate the flight time of the drone: 81.8\/12=6.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":444
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Rachel said she bought a new golden car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'gray', 'blue', 'golden', 'white', 'golden', 'white', 'black', 'brown', 'white', 'silver', 'black', 'white', 'white', 'golden', 'brown', 'white', 'brown', 'white', 'white', 'golden', 'gray', 'blue', 'black', 'white', 'white', 'gray', 'white', 'golden'] \/nStep 2, there is an golden car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":445
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":446
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"A) 60. B) 80. C) 90. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":447
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7477,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":448
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 1572. B) 174. C) 1048. D) 5240000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'audi a4l', 'audi q3', 'geely haoyue', 'volkswagen passat', 'volkswagen tiguan', 'volvo s60', 'toyota corolla', 'harvard h6', 'porsche macan', 'volkswagen lavida', 'roewe 550', 'nissan x-trail', 'mercedes-benz c-class', 'tesla model y', 'volvo s60', 'volkswagen sharan', 'audi a3', 'skoda karoq', 'lexus es', 'lexus es', 'buick excelle', 'byd qin plus', 'skoda kamiq', 'hyundai tucson', 'skoda fabia', 'volkswagen lavida', 'kia forte', 'mini mini', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000} \nStep 3, sum the price of each vehicle: 5240000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":449
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":695000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'gray', 'blue', 'golden', 'white', 'golden', 'white', 'black', 'brown', 'white', 'silver', 'black', 'white', 'white', 'golden', 'brown', 'white', 'brown', 'white', 'white', 'golden', 'gray', 'blue', 'black', 'white', 'white', 'gray', 'white', 'golden'] \nStep 2, identify the model of gray vehicles: ['rising marvel r', 'audi a4l', 'audi q3', 'byd qin plus', 'kia forte'] \nStep 3, query vehicle prices: {'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'byd qin plus': 105000, 'kia forte': 30000} \nStep 4, sum the price of each gray vehicle: 695000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":450
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4. B) 4.7. C) 3.9. D) 144.5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.9, 4.5, 4.8, 4.9, 4.5, 4.8, 4.6, 4.7, 4.7, 4.7, 4.6, 4.7, 4.9, 4.8, 4.8, 4.9, 4.3, 4.4, 5.0, 5.0, 4.6, 4.8, 4.4, 4.7, 4.0, 4.7, 4.5, 3.9, 4.9] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":451
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 169032. B) 20000. C) 695000. D) 135000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'audi a4l', 'audi q3', 'geely haoyue', 'volkswagen passat', 'volkswagen tiguan', 'volvo s60', 'toyota corolla', 'harvard h6', 'porsche macan', 'volkswagen lavida', 'roewe 550', 'nissan x-trail', 'mercedes-benz c-class', 'tesla model y', 'volvo s60', 'volkswagen sharan', 'audi a3', 'skoda karoq', 'lexus es', 'lexus es', 'buick excelle', 'byd qin plus', 'skoda kamiq', 'hyundai tucson', 'skoda fabia', 'volkswagen lavida', 'kia forte', 'mini mini', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":452
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":715000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'audi a4l', 'audi q3', 'geely haoyue', 'volkswagen passat', 'volkswagen tiguan', 'volvo s60', 'toyota corolla', 'harvard h6', 'porsche macan', 'volkswagen lavida', 'roewe 550', 'nissan x-trail', 'mercedes-benz c-class', 'tesla model y', 'volvo s60', 'volkswagen sharan', 'audi a3', 'skoda karoq', 'lexus es', 'lexus es', 'buick excelle', 'byd qin plus', 'skoda kamiq', 'hyundai tucson', 'skoda fabia', 'volkswagen lavida', 'kia forte', 'mini mini', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":453
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 715000. B) 169032. C) 20000. D) 695000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'audi a4l', 'audi q3', 'geely haoyue', 'volkswagen passat', 'volkswagen tiguan', 'volvo s60', 'toyota corolla', 'harvard h6', 'porsche macan', 'volkswagen lavida', 'roewe 550', 'nissan x-trail', 'mercedes-benz c-class', 'tesla model y', 'volvo s60', 'volkswagen sharan', 'audi a3', 'skoda karoq', 'lexus es', 'lexus es', 'buick excelle', 'byd qin plus', 'skoda kamiq', 'hyundai tucson', 'skoda fabia', 'volkswagen lavida', 'kia forte', 'mini mini', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":454
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'gray', 'blue', 'golden', 'white', 'golden', 'white', 'black', 'brown', 'white', 'silver', 'black', 'white', 'white', 'golden', 'brown', 'white', 'brown', 'white', 'white', 'golden', 'gray', 'blue', 'black', 'white', 'white', 'gray', 'white', 'golden'] \/nStep 2, count vehicles for each color: {'white': 12, 'gray': 5, 'blue': 2, 'golden': 5, 'black': 3, 'brown': 3, 'silver': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":455
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) red. C) black. D) blue.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mpv', 'compact', 'suv', 'mid-size', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'subcompact', 'compact', 'compact', 'micro-size', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['gray', 'gray', 'blue', 'white', 'black', 'brown', 'black', 'brown', 'blue', 'black'] \nStep 3, count suv vehicles for each color: {'gray': 2, 'blue': 2, 'white': 1, 'black': 3, 'brown': 2} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":456
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 26 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 31 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 31-26=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":457
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'gray', 'blue', 'golden', 'white', 'golden', 'white', 'black', 'brown', 'white', 'silver', 'black', 'white', 'white', 'golden', 'brown', 'white', 'brown', 'white', 'white', 'golden', 'gray', 'blue', 'black', 'white', 'white', 'gray', 'white', 'golden'] \/nStep 2, count all gray vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":458
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 11. B) 10. C) 13. D) 12.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'audi a4l', 'audi q3', 'geely haoyue', 'volkswagen passat', 'volkswagen tiguan', 'volvo s60', 'toyota corolla', 'harvard h6', 'porsche macan', 'volkswagen lavida', 'roewe 550', 'nissan x-trail', 'mercedes-benz c-class', 'tesla model y', 'volvo s60', 'volkswagen sharan', 'audi a3', 'skoda karoq', 'lexus es', 'lexus es', 'buick excelle', 'byd qin plus', 'skoda kamiq', 'hyundai tucson', 'skoda fabia', 'volkswagen lavida', 'kia forte', 'mini mini', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000} \nStep 3, count vehicles priced below 100000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":459
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many golden compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'gray', 'gray', 'blue', 'golden', 'white', 'golden', 'white', 'black', 'brown', 'white', 'silver', 'black', 'white', 'white', 'golden', 'brown', 'white', 'brown', 'white', 'white', 'golden', 'gray', 'blue', 'black', 'white', 'white', 'gray', 'white', 'golden'] \nStep 2, identify the type of golden vehicles: ['mid-size', 'mid-size', 'mid-size', 'compact', 'mid-size'] \nStep 3, count golden compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":460
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"mercedes-benz",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2019.0, 1213.5], [2202.4, 1608.5], [2585.5, 1342.3], [2304.0, 697.6], [2661.4, 1496.4], [2346.0, 774.9], [2547.0, 1254.8], [2898.5, 2038.2], [1985.0, 1133.6], [2099.3, 1374.1], [2373.0, 861.5], [2516.8, 1178.3], [2152.0, 1441.1], [2618.2, 1421.3], [2864.3, 1962.8], [2487.1, 1097.7], [2048.7, 1295.5], [2425.5, 938.0], [2269.9, 1771.0], [1941.5, 1053.9], [1909.0, 970.3], [1909.0, 970.3], [2443.6, 1020.8], [2703.9, 1662.8], [2792.0, 1813.6], [2162.2, 1531.1], [2238.3, 1692.2], [2673.6, 1583.4], [2758.7, 1735.4], [2830.0, 1891.4], [2308.0, 1846.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.5, 2.6, 80.0], [5.8, 13.9, 80.0], [16.9, 6.3, 80.0], [8.8, -12.3, 80.0], [19.1, 10.7, 80.0], [10.0, -10.1, 80.0], [15.8, 3.7, 80.0], [25.9, 26.3, 80.0], [-0.4, 0.2, 80.0], [2.9, 7.2, 80.0], [10.8, -7.6, 80.0], [14.9, 1.5, 80.0], [4.4, 9.1, 80.0], [17.8, 8.5, 80.0], [24.9, 24.2, 80.0], [14.0, -0.8, 80.0], [1.4, 4.9, 80.0], [12.3, -5.4, 80.0], [7.8, 18.6, 80.0], [-1.7, -2.1, 80.0], [-2.6, -4.5, 80.0], [-2.6, -4.5, 80.0], [12.8, -3.0, 80.0], [20.3, 15.5, 80.0], [22.8, 19.9, 80.0], [4.7, 11.7, 80.0], [6.9, 16.4, 80.0], [19.4, 13.2, 80.0], [21.9, 17.6, 80.0], [23.9, 22.1, 80.0], [8.9, 20.8, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [80.0, 81.4, 82.0, 81.4, 82.9, 81.2, 81.6, 88.1, 80.0, 80.4, 81.1, 81.4, 80.6, 82.4, 87.2, 81.2, 80.2, 81.1, 82.5, 80.0, 80.2, 80.2, 81.1, 84.0, 85.5, 81.0, 81.9, 83.4, 84.8, 86.4, 83.1] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, identify the brand of this vehicle: mercedes-benz",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":461
+    },
+    {
+        "image":"85bdfe83-DJI_0232.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2019.0, 1213.5], [2202.4, 1608.5], [2585.5, 1342.3], [2304.0, 697.6], [2661.4, 1496.4], [2346.0, 774.9], [2547.0, 1254.8], [2898.5, 2038.2], [1985.0, 1133.6], [2099.3, 1374.1], [2373.0, 861.5], [2516.8, 1178.3], [2152.0, 1441.1], [2618.2, 1421.3], [2864.3, 1962.8], [2487.1, 1097.7], [2048.7, 1295.5], [2425.5, 938.0], [2269.9, 1771.0], [1941.5, 1053.9], [1909.0, 970.3], [1909.0, 970.3], [2443.6, 1020.8], [2703.9, 1662.8], [2792.0, 1813.6], [2162.2, 1531.1], [2238.3, 1692.2], [2673.6, 1583.4], [2758.7, 1735.4], [2830.0, 1891.4], [2308.0, 1846.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.5, 2.6, 80.0], [5.8, 13.9, 80.0], [16.9, 6.3, 80.0], [8.8, -12.3, 80.0], [19.1, 10.7, 80.0], [10.0, -10.1, 80.0], [15.8, 3.7, 80.0], [25.9, 26.3, 80.0], [-0.4, 0.2, 80.0], [2.9, 7.2, 80.0], [10.8, -7.6, 80.0], [14.9, 1.5, 80.0], [4.4, 9.1, 80.0], [17.8, 8.5, 80.0], [24.9, 24.2, 80.0], [14.0, -0.8, 80.0], [1.4, 4.9, 80.0], [12.3, -5.4, 80.0], [7.8, 18.6, 80.0], [-1.7, -2.1, 80.0], [-2.6, -4.5, 80.0], [-2.6, -4.5, 80.0], [12.8, -3.0, 80.0], [20.3, 15.5, 80.0], [22.8, 19.9, 80.0], [4.7, 11.7, 80.0], [6.9, 16.4, 80.0], [19.4, 13.2, 80.0], [21.9, 17.6, 80.0], [23.9, 22.1, 80.0], [8.9, 20.8, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [80.0, 81.4, 82.0, 81.4, 82.9, 81.2, 81.6, 88.1, 80.0, 80.4, 81.1, 81.4, 80.6, 82.4, 87.2, 81.2, 80.2, 81.1, 82.5, 80.0, 80.2, 80.2, 81.1, 84.0, 85.5, 81.0, 81.9, 83.4, 84.8, 86.4, 83.1] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, calculate the flight time of the drone: 80.0\/18=4.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":462
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'silver', 'white', 'white', 'blue', 'golden', 'white', 'white', 'white', 'golden', 'white', 'white', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'white', 'brown', 'brown', 'black', 'gray', 'brown', 'black', 'gray', 'white', 'white', 'black', 'black', 'black', 'golden', 'golden', 'golden'] \/nStep 2, there is an gray car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":463
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 120. B) 110. C) 60. D) 20.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":464
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 60. B) 70. C) 45. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":465
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":16823,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":466
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":5345000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'geely haoyue', 'volvo s60', 'volkswagen lavida', 'audi a3', 'mercedes-benz c-class', 'buick excelle', 'tesla model y', 'lexus es', 'byd qin plus', 'volvo s60', 'skoda fabia', 'volkswagen lavida', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'nissan x-trail', 'kia forte', 'skoda karoq', 'hyundai tucson', 'audi a4l', 'mini mini', 'mini mini', 'harvard h6', 'harvard h6', 'harvard h6', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000} \nStep 3, sum the price of each vehicle: 5345000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":467
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are brown vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":960000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'silver', 'white', 'white', 'blue', 'golden', 'white', 'white', 'white', 'golden', 'white', 'white', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'white', 'brown', 'brown', 'black', 'gray', 'brown', 'black', 'gray', 'white', 'white', 'black', 'black', 'black', 'golden', 'golden', 'golden'] \nStep 2, identify the model of brown vehicles: ['volkswagen sharan', 'porsche macan', 'skoda karoq'] \nStep 3, query vehicle prices: {'volkswagen sharan': 90000, 'porsche macan': 715000, 'skoda karoq': 155000} \nStep 4, sum the price of each brown vehicle: 960000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":468
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.9, 4.6, 4.8, 4.8, 4.7, 4.3, 4.9, 4.6, 4.8, 5.0, 4.8, 4.8, 4.0, 4.7, 4.4, 4.5, 4.5, 4.9, 4.7, 4.7, 4.5, 4.4, 4.7, 4.9, 3.9, 3.9, 4.7, 4.7, 4.7, 4.9, 4.9, 4.9] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":469
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'geely haoyue', 'volvo s60', 'volkswagen lavida', 'audi a3', 'mercedes-benz c-class', 'buick excelle', 'tesla model y', 'lexus es', 'byd qin plus', 'volvo s60', 'skoda fabia', 'volkswagen lavida', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'nissan x-trail', 'kia forte', 'skoda karoq', 'hyundai tucson', 'audi a4l', 'mini mini', 'mini mini', 'harvard h6', 'harvard h6', 'harvard h6', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000} \nStep 3, calculate the median price of all vehicles: 125000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":470
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.9, 4.6, 4.8, 4.8, 4.7, 4.3, 4.9, 4.6, 4.8, 5.0, 4.8, 4.8, 4.0, 4.7, 4.4, 4.5, 4.5, 4.9, 4.7, 4.7, 4.5, 4.4, 4.7, 4.9, 3.9, 3.9, 4.7, 4.7, 4.7, 4.9, 4.9, 4.9] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":471
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'geely haoyue', 'volvo s60', 'volkswagen lavida', 'audi a3', 'mercedes-benz c-class', 'buick excelle', 'tesla model y', 'lexus es', 'byd qin plus', 'volvo s60', 'skoda fabia', 'volkswagen lavida', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'nissan x-trail', 'kia forte', 'skoda karoq', 'hyundai tucson', 'audi a4l', 'mini mini', 'mini mini', 'harvard h6', 'harvard h6', 'harvard h6', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":472
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'silver', 'white', 'white', 'blue', 'golden', 'white', 'white', 'white', 'golden', 'white', 'white', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'white', 'brown', 'brown', 'black', 'gray', 'brown', 'black', 'gray', 'white', 'white', 'black', 'black', 'black', 'golden', 'golden', 'golden'] \/nStep 2, count vehicles for each color: {'gray': 4, 'silver': 1, 'white': 13, 'blue': 2, 'golden': 6, 'brown': 3, 'black': 5}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":473
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'mid-size', 'compact', 'suv', 'mid-size', 'compact', 'compact', 'mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'mid-size', 'subcompact', 'compact', 'suv', 'suv', 'suv', 'mpv', 'suv', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'micro-size', 'micro-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['gray', 'blue', 'blue', 'white', 'white', 'brown', 'black', 'brown', 'black', 'black', 'black', 'black'] \nStep 3, count suv vehicles for each color: {'gray': 1, 'blue': 2, 'white': 2, 'brown': 2, 'black': 5} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":474
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 42 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 6. B) 8. C) 9. D) 7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 34 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 42-34=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":475
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 2. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'silver', 'white', 'white', 'blue', 'golden', 'white', 'white', 'white', 'golden', 'white', 'white', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'white', 'brown', 'brown', 'black', 'gray', 'brown', 'black', 'gray', 'white', 'white', 'black', 'black', 'black', 'golden', 'golden', 'golden'] \/nStep 2, count all brown vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":476
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"A) 23. B) 21. C) 20. D) 22.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'geely haoyue', 'volvo s60', 'volkswagen lavida', 'audi a3', 'mercedes-benz c-class', 'buick excelle', 'tesla model y', 'lexus es', 'byd qin plus', 'volvo s60', 'skoda fabia', 'volkswagen lavida', 'skoda kamiq', 'volkswagen tiguan', 'volkswagen tiguan', 'volkswagen sharan', 'porsche macan', 'nissan x-trail', 'kia forte', 'skoda karoq', 'hyundai tucson', 'audi a4l', 'mini mini', 'mini mini', 'harvard h6', 'harvard h6', 'harvard h6', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000} \nStep 3, count vehicles priced above 100000 RMB: 20",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":477
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'silver', 'white', 'white', 'blue', 'golden', 'white', 'white', 'white', 'golden', 'white', 'white', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'white', 'brown', 'brown', 'black', 'gray', 'brown', 'black', 'gray', 'white', 'white', 'black', 'black', 'black', 'golden', 'golden', 'golden'] \nStep 2, identify the type of silver vehicles: ['compact'] \nStep 3, count silver compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":478
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2743.0, 1540.1], [2707.7, 1427.8], [2617.1, 1272.0], [2595.0, 1218.3], [3054.6, 1463.9], [2639.2, 1328.0], [2958.6, 1250.3], [2786.8, 1650.7], [3187.9, 1779.5], [2911.4, 1142.4], [2939.0, 1195.0], [2543.7, 1108.2], [3081.6, 1576.2], [3209.9, 1829.8], [2765.9, 1597.3], [3063.7, 1521.8], [3140.3, 1677.5], [2979.1, 1302.1], [2979.1, 1302.1], [2897.1, 1086.9], [2863.7, 1035.4], [3024.9, 1411.7], [3118.4, 1624.8], [2565.9, 1164.4], [2713.1, 1489.6], [3003.6, 1359.7], [3165.8, 1731.6], [3165.8, 1731.6], [2671.1, 1382.2], [2671.1, 1382.2], [2671.1, 1382.2], [2808.2, 1704.2], [2844.9, 976.7], [2844.9, 976.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[32.1, 18.0, 120.0], [30.6, 13.1, 120.0], [26.7, 6.4, 120.0], [25.7, 4.0, 120.0], [45.6, 14.7, 120.0], [27.6, 8.8, 120.0], [41.5, 5.4, 120.0], [34.0, 22.7, 120.0], [51.4, 28.3, 120.0], [39.4, 0.8, 120.0], [40.6, 3.0, 120.0], [23.5, -0.7, 120.0], [46.8, 19.5, 120.0], [52.3, 30.5, 120.0], [33.1, 20.4, 120.0], [46.0, 17.2, 120.0], [49.3, 23.9, 120.0], [42.3, 7.7, 120.0], [42.3, 7.7, 120.0], [38.8, -1.6, 120.0], [37.4, -3.9, 120.0], [44.3, 12.4, 120.0], [48.4, 21.6, 120.0], [24.5, 1.7, 120.0], [30.8, 15.8, 120.0], [43.4, 10.2, 120.0], [50.4, 26.2, 120.0], [50.4, 26.2, 120.0], [29.0, 11.1, 120.0], [29.0, 11.1, 120.0], [29.0, 11.1, 120.0], [35.0, 25.1, 120.0], [36.5, -6.4, 120.0], [36.5, -6.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [125.5, 124.5, 123.1, 122.8, 129.2, 123.5, 127.1, 126.8, 133.6, 126.3, 126.7, 122.3, 130.3, 134.4, 126.2, 129.7, 131.9, 127.5, 127.5, 126.1, 125.7, 128.5, 131.2, 122.5, 124.9, 128.0, 132.8, 132.8, 124.0, 124.0, 124.0, 127.5, 125.6, 125.6] \/nStep 5, find the maximum distance to the drone: 134.4 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":479
+    },
+    {
+        "image":"799f2d79-DJI_0235.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2743.0, 1540.1], [2707.7, 1427.8], [2617.1, 1272.0], [2595.0, 1218.3], [3054.6, 1463.9], [2639.2, 1328.0], [2958.6, 1250.3], [2786.8, 1650.7], [3187.9, 1779.5], [2911.4, 1142.4], [2939.0, 1195.0], [2543.7, 1108.2], [3081.6, 1576.2], [3209.9, 1829.8], [2765.9, 1597.3], [3063.7, 1521.8], [3140.3, 1677.5], [2979.1, 1302.1], [2979.1, 1302.1], [2897.1, 1086.9], [2863.7, 1035.4], [3024.9, 1411.7], [3118.4, 1624.8], [2565.9, 1164.4], [2713.1, 1489.6], [3003.6, 1359.7], [3165.8, 1731.6], [3165.8, 1731.6], [2671.1, 1382.2], [2671.1, 1382.2], [2671.1, 1382.2], [2808.2, 1704.2], [2844.9, 976.7], [2844.9, 976.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[32.1, 18.0, 120.0], [30.6, 13.1, 120.0], [26.7, 6.4, 120.0], [25.7, 4.0, 120.0], [45.6, 14.7, 120.0], [27.6, 8.8, 120.0], [41.5, 5.4, 120.0], [34.0, 22.7, 120.0], [51.4, 28.3, 120.0], [39.4, 0.8, 120.0], [40.6, 3.0, 120.0], [23.5, -0.7, 120.0], [46.8, 19.5, 120.0], [52.3, 30.5, 120.0], [33.1, 20.4, 120.0], [46.0, 17.2, 120.0], [49.3, 23.9, 120.0], [42.3, 7.7, 120.0], [42.3, 7.7, 120.0], [38.8, -1.6, 120.0], [37.4, -3.9, 120.0], [44.3, 12.4, 120.0], [48.4, 21.6, 120.0], [24.5, 1.7, 120.0], [30.8, 15.8, 120.0], [43.4, 10.2, 120.0], [50.4, 26.2, 120.0], [50.4, 26.2, 120.0], [29.0, 11.1, 120.0], [29.0, 11.1, 120.0], [29.0, 11.1, 120.0], [35.0, 25.1, 120.0], [36.5, -6.4, 120.0], [36.5, -6.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [125.5, 124.5, 123.1, 122.8, 129.2, 123.5, 127.1, 126.8, 133.6, 126.3, 126.7, 122.3, 130.3, 134.4, 126.2, 129.7, 131.9, 127.5, 127.5, 126.1, 125.7, 128.5, 131.2, 122.5, 124.9, 128.0, 132.8, 132.8, 124.0, 124.0, 124.0, 127.5, 125.6, 125.6] \/nStep 5, find the maximum distance to the drone: 134.4 \/nStep 6, calculate the flight time of the drone: 134.4\/16=8.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":480
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Monica said she bought a new purple car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'silver', 'white', 'golden', 'white', 'white', 'white', 'white', 'white', 'golden', 'white', 'white', 'brown', 'white', 'gray', 'black', 'golden', 'black', 'gray', 'white', 'blue', 'golden', 'gray', 'brown', 'gray', 'white', 'blue', 'brown', 'black', 'black', 'golden'] \/nStep 2, there is no purple car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":481
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 60. B) 110. C) 80. D) 100.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":482
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":483
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20137,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":484
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":5225000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'roewe 550', 'lexus es', 'volvo s60', 'toyota corolla', 'volkswagen lavida', 'mercedes-benz c-class', 'tesla model y', 'volkswagen lavida', 'volvo s60', 'audi a3', 'audi a3', 'skoda karoq', 'skoda fabia', 'audi a4l', 'harvard h6', 'buick excelle', 'hyundai tucson', 'byd qin plus', 'volkswagen tiguan', 'geely haoyue', 'volkswagen passat', 'audi q3', 'porsche macan', 'kia forte', 'mini mini', 'skoda kamiq', 'volkswagen sharan', 'nissan x-trail', 'nissan x-trail', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000} \nStep 3, sum the price of each vehicle: 5225000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":485
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":775000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'silver', 'white', 'golden', 'white', 'white', 'white', 'white', 'white', 'golden', 'white', 'white', 'brown', 'white', 'gray', 'black', 'golden', 'black', 'gray', 'white', 'blue', 'golden', 'gray', 'brown', 'gray', 'white', 'blue', 'brown', 'black', 'black', 'golden'] \nStep 2, identify the model of golden vehicles: ['volvo s60', 'volvo s60', 'buick excelle', 'volkswagen passat', 'volkswagen passat'] \nStep 3, query vehicle prices: {'volvo s60': 230000, 'buick excelle': 45000, 'volkswagen passat': 135000} \nStep 4, sum the price of each golden vehicle: 775000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":486
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.6, 5.0, 4.8, 4.6, 4.7, 4.9, 4.8, 4.7, 4.8, 4.3, 4.3, 4.4, 4.0, 4.9, 4.7, 4.6, 4.7, 4.8, 4.5, 4.8, 4.9, 4.5, 4.7, 4.5, 3.9, 4.4, 4.9, 4.7, 4.7, 4.9] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":487
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4. B) 4.7. C) 5.0. D) 3.9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.6, 5.0, 4.8, 4.6, 4.7, 4.9, 4.8, 4.7, 4.8, 4.3, 4.3, 4.4, 4.0, 4.9, 4.7, 4.6, 4.7, 4.8, 4.5, 4.8, 4.9, 4.5, 4.7, 4.5, 3.9, 4.4, 4.9, 4.7, 4.7, 4.9] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":488
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":715000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'roewe 550', 'lexus es', 'volvo s60', 'toyota corolla', 'volkswagen lavida', 'mercedes-benz c-class', 'tesla model y', 'volkswagen lavida', 'volvo s60', 'audi a3', 'audi a3', 'skoda karoq', 'skoda fabia', 'audi a4l', 'harvard h6', 'buick excelle', 'hyundai tucson', 'byd qin plus', 'volkswagen tiguan', 'geely haoyue', 'volkswagen passat', 'audi q3', 'porsche macan', 'kia forte', 'mini mini', 'skoda kamiq', 'volkswagen sharan', 'nissan x-trail', 'nissan x-trail', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":489
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'roewe 550', 'lexus es', 'volvo s60', 'toyota corolla', 'volkswagen lavida', 'mercedes-benz c-class', 'tesla model y', 'volkswagen lavida', 'volvo s60', 'audi a3', 'audi a3', 'skoda karoq', 'skoda fabia', 'audi a4l', 'harvard h6', 'buick excelle', 'hyundai tucson', 'byd qin plus', 'volkswagen tiguan', 'geely haoyue', 'volkswagen passat', 'audi q3', 'porsche macan', 'kia forte', 'mini mini', 'skoda kamiq', 'volkswagen sharan', 'nissan x-trail', 'nissan x-trail', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":490
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) golden. C) white. D) orange.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'silver', 'white', 'golden', 'white', 'white', 'white', 'white', 'white', 'golden', 'white', 'white', 'brown', 'white', 'gray', 'black', 'golden', 'black', 'gray', 'white', 'blue', 'golden', 'gray', 'brown', 'gray', 'white', 'blue', 'brown', 'black', 'black', 'golden'] \/nStep 2, count vehicles for each color: {'white': 12, 'gray': 5, 'silver': 1, 'golden': 5, 'brown': 3, 'black': 4, 'blue': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":491
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'compact', 'mid-size', 'mid-size', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'subcompact', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'micro-size', 'suv', 'mpv', 'suv', 'suv', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['silver', 'white', 'white', 'white', 'white', 'white', 'golden', 'gray', 'gray'] \nStep 3, count compact vehicles for each color: {'silver': 1, 'white': 5, 'golden': 1, 'gray': 2} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":492
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 37 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"A) 9. B) 6. C) 4. D) 5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 32 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 37-32=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":493
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'compact', 'mid-size', 'mid-size', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'subcompact', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'micro-size', 'suv', 'mpv', 'suv', 'suv', 'mid-size'] \/nStep 2, count all compact vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":494
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"A) 31. B) 32. C) 33. D) 34.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'rising marvel r', 'roewe 550', 'lexus es', 'volvo s60', 'toyota corolla', 'volkswagen lavida', 'mercedes-benz c-class', 'tesla model y', 'volkswagen lavida', 'volvo s60', 'audi a3', 'audi a3', 'skoda karoq', 'skoda fabia', 'audi a4l', 'harvard h6', 'buick excelle', 'hyundai tucson', 'byd qin plus', 'volkswagen tiguan', 'geely haoyue', 'volkswagen passat', 'audi q3', 'porsche macan', 'kia forte', 'mini mini', 'skoda kamiq', 'volkswagen sharan', 'nissan x-trail', 'nissan x-trail', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000} \nStep 3, count vehicles priced below 500000 RMB: 31",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":495
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many golden suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) -1. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'silver', 'white', 'golden', 'white', 'white', 'white', 'white', 'white', 'golden', 'white', 'white', 'brown', 'white', 'gray', 'black', 'golden', 'black', 'gray', 'white', 'blue', 'golden', 'gray', 'brown', 'gray', 'white', 'blue', 'brown', 'black', 'black', 'golden'] \nStep 2, identify the type of golden vehicles: ['mid-size', 'mid-size', 'compact', 'mid-size', 'mid-size'] \nStep 3, count golden suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":496
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2392.7, 1371.2], [2564.4, 1661.4], [2510.3, 1535.4], [2299.4, 1206.8], [2420.7, 1427.8], [2362.8, 1316.5], [2767.0, 1344.0], [3147.1, 1951.9], [2736.6, 1288.5], [2939.9, 1640.3], [3191.8, 2016.3], [2634.1, 1795.4], [2634.1, 1795.4], [2327.4, 1260.8], [2601.4, 1731.3], [2837.1, 1461.3], [2464.2, 1484.9], [2695.5, 1236.6], [2524.6, 1602.6], [2968.5, 1701.9], [2799.1, 1396.6], [2914.7, 1568.5], [2603.7, 1081.1], [2569.3, 1032.3], [2631.8, 1133.5], [3025.1, 1757.3], [3106.4, 1888.6], [3063.3, 1820.3], [2676.0, 1181.3], [2871.7, 1514.2], [2871.7, 1514.2], [2670.0, 1859.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.5, 9.7, 109.8], [21.1, 20.1, 103.9], [19.6, 15.7, 106.4], [12.3, 3.3, 113.5], [16.5, 11.9, 108.6], [14.5, 7.7, 111.0], [30.5, 8.7, 110.4], [40.7, 29.4, 98.5], [29.6, 6.6, 111.7], [35.3, 19.4, 104.3], [41.8, 31.3, 97.4], [23.2, 24.5, 101.3], [23.2, 24.5, 101.3], [13.3, 5.5, 112.3], [22.2, 22.4, 102.5], [32.6, 13.1, 107.9], [18.0, 13.9, 107.4], [28.3, 4.5, 112.8], [19.9, 18.1, 105.0], [36.0, 21.4, 103.1], [31.5, 10.7, 109.3], [34.9, 16.9, 105.7], [25.4, -1.8, 116.5], [24.2, -3.9, 117.7], [26.2, 0.4, 115.3], [37.7, 23.3, 102.0], [39.7, 27.4, 99.6], [38.7, 25.3, 100.9], [27.8, 2.3, 114.1], [33.6, 15.0, 106.8], [33.6, 15.0, 106.8], [24.2, 26.5, 100.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [111.4, 107.9, 109.3, 114.2, 110.5, 112.3, 114.9, 110.6, 115.7, 111.8, 110.5, 106.8, 106.8, 113.2, 107.3, 113.5, 109.8, 116.4, 108.4, 111.3, 114.2, 112.6, 119.3, 120.3, 118.2, 111.2, 110.7, 110.9, 117.5, 113.0, 113.0, 106.4] \/nStep 5, find the minimum distance to the drone: 106.4 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":497
+    },
+    {
+        "image":"b9806323-DJI_0236.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":8.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2392.7, 1371.2], [2564.4, 1661.4], [2510.3, 1535.4], [2299.4, 1206.8], [2420.7, 1427.8], [2362.8, 1316.5], [2767.0, 1344.0], [3147.1, 1951.9], [2736.6, 1288.5], [2939.9, 1640.3], [3191.8, 2016.3], [2634.1, 1795.4], [2634.1, 1795.4], [2327.4, 1260.8], [2601.4, 1731.3], [2837.1, 1461.3], [2464.2, 1484.9], [2695.5, 1236.6], [2524.6, 1602.6], [2968.5, 1701.9], [2799.1, 1396.6], [2914.7, 1568.5], [2603.7, 1081.1], [2569.3, 1032.3], [2631.8, 1133.5], [3025.1, 1757.3], [3106.4, 1888.6], [3063.3, 1820.3], [2676.0, 1181.3], [2871.7, 1514.2], [2871.7, 1514.2], [2670.0, 1859.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[15.5, 9.7, 109.8], [21.1, 20.1, 103.9], [19.6, 15.7, 106.4], [12.3, 3.3, 113.5], [16.5, 11.9, 108.6], [14.5, 7.7, 111.0], [30.5, 8.7, 110.4], [40.7, 29.4, 98.5], [29.6, 6.6, 111.7], [35.3, 19.4, 104.3], [41.8, 31.3, 97.4], [23.2, 24.5, 101.3], [23.2, 24.5, 101.3], [13.3, 5.5, 112.3], [22.2, 22.4, 102.5], [32.6, 13.1, 107.9], [18.0, 13.9, 107.4], [28.3, 4.5, 112.8], [19.9, 18.1, 105.0], [36.0, 21.4, 103.1], [31.5, 10.7, 109.3], [34.9, 16.9, 105.7], [25.4, -1.8, 116.5], [24.2, -3.9, 117.7], [26.2, 0.4, 115.3], [37.7, 23.3, 102.0], [39.7, 27.4, 99.6], [38.7, 25.3, 100.9], [27.8, 2.3, 114.1], [33.6, 15.0, 106.8], [33.6, 15.0, 106.8], [24.2, 26.5, 100.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [111.4, 107.9, 109.3, 114.2, 110.5, 112.3, 114.9, 110.6, 115.7, 111.8, 110.5, 106.8, 106.8, 113.2, 107.3, 113.5, 109.8, 116.4, 108.4, 111.3, 114.2, 112.6, 119.3, 120.3, 118.2, 111.2, 110.7, 110.9, 117.5, 113.0, 113.0, 106.4] \/nStep 5, find the minimum distance to the drone: 106.4 \/nStep 6, calculate the flight time of the drone: 106.4\/12=8.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":498
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Phoebe said she bought a new yellow car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'golden', 'white', 'golden', 'white', 'gray', 'white', 'silver', 'white', 'white', 'brown', 'brown', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'golden', 'white', 'golden', 'black', 'white', 'brown', 'gray', 'black', 'gray', 'black', 'blue', 'golden'] \/nStep 2, there is no yellow car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":499
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":500
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"A) 30. B) 90. C) 60. D) 70.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":501
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 21137. B) 20137. C) 22137. D) 25137.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":502
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"A) 1719. B) 286. C) 191. D) 5730000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'volkswagen sharan', 'volkswagen lavida', 'volvo s60', 'tesla model y', 'volkswagen passat', 'lexus es', 'audi q3', 'audi a3', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'porsche macan', 'porsche macan', 'volkswagen lavida', 'skoda fabia', 'byd qin plus', 'geely haoyue', 'rising marvel r', 'rising marvel r', 'volvo s60', 'volkswagen tiguan', 'buick excelle', 'harvard h6', 'mini mini', 'skoda karoq', 'audi a4l', 'nissan x-trail', 'kia forte', 'hyundai tucson', 'skoda kamiq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000} \nStep 3, sum the price of each vehicle: 5730000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":503
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"",
+        "answer":430000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'golden', 'white', 'golden', 'white', 'gray', 'white', 'silver', 'white', 'white', 'brown', 'brown', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'golden', 'white', 'golden', 'black', 'white', 'brown', 'gray', 'black', 'gray', 'black', 'blue', 'golden'] \nStep 2, identify the model of black vehicles: ['harvard h6', 'nissan x-trail', 'hyundai tucson'] \nStep 3, query vehicle prices: {'harvard h6': 100000, 'nissan x-trail': 175000, 'hyundai tucson': 155000} \nStep 4, sum the price of each black vehicle: 430000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":504
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"A) 430000. B) 179062. C) 135000. D) 20000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'volkswagen sharan', 'volkswagen lavida', 'volvo s60', 'tesla model y', 'volkswagen passat', 'lexus es', 'audi q3', 'audi a3', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'porsche macan', 'porsche macan', 'volkswagen lavida', 'skoda fabia', 'byd qin plus', 'geely haoyue', 'rising marvel r', 'rising marvel r', 'volvo s60', 'volkswagen tiguan', 'buick excelle', 'harvard h6', 'mini mini', 'skoda karoq', 'audi a4l', 'nissan x-trail', 'kia forte', 'hyundai tucson', 'skoda kamiq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000} \nStep 3, calculate the average price of all vehicles: 179062",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":505
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.8, 4.8, 4.9, 5.0, 4.5, 4.3, 4.6, 4.9, 4.6, 4.7, 4.7, 4.7, 4.0, 4.8, 4.8, 4.7, 4.7, 4.8, 4.5, 4.6, 4.7, 3.9, 4.4, 4.9, 4.7, 4.5, 4.7, 4.4, 4.9] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":506
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"A) 135000. B) 430000. C) 715000. D) 20000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'volkswagen sharan', 'volkswagen lavida', 'volvo s60', 'tesla model y', 'volkswagen passat', 'lexus es', 'audi q3', 'audi a3', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'porsche macan', 'porsche macan', 'volkswagen lavida', 'skoda fabia', 'byd qin plus', 'geely haoyue', 'rising marvel r', 'rising marvel r', 'volvo s60', 'volkswagen tiguan', 'buick excelle', 'harvard h6', 'mini mini', 'skoda karoq', 'audi a4l', 'nissan x-trail', 'kia forte', 'hyundai tucson', 'skoda kamiq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":507
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.8, 4.8, 4.9, 5.0, 4.5, 4.3, 4.6, 4.9, 4.6, 4.7, 4.7, 4.7, 4.0, 4.8, 4.8, 4.7, 4.7, 4.8, 4.5, 4.6, 4.7, 3.9, 4.4, 4.9, 4.7, 4.5, 4.7, 4.4, 4.9] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":508
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'golden', 'white', 'golden', 'white', 'gray', 'white', 'silver', 'white', 'white', 'brown', 'brown', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'golden', 'white', 'golden', 'black', 'white', 'brown', 'gray', 'black', 'gray', 'black', 'blue', 'golden'] \/nStep 2, count vehicles for each color: {'white': 11, 'brown': 4, 'golden': 5, 'gray': 6, 'silver': 1, 'blue': 2, 'black': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":509
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mpv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'subcompact', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'micro-size', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'mid-size'] \nStep 2, identify the color of subcompact vehicles: ['white'] \nStep 3, count subcompact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of subcompact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":510
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 32 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 32-22=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":511
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 5. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'golden', 'white', 'golden', 'white', 'gray', 'white', 'silver', 'white', 'white', 'brown', 'brown', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'golden', 'white', 'golden', 'black', 'white', 'brown', 'gray', 'black', 'gray', 'black', 'blue', 'golden'] \/nStep 2, count all black vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":512
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"A) 30. B) 31. C) 33. D) 32.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'volkswagen sharan', 'volkswagen lavida', 'volvo s60', 'tesla model y', 'volkswagen passat', 'lexus es', 'audi q3', 'audi a3', 'roewe 550', 'mercedes-benz c-class', 'toyota corolla', 'porsche macan', 'porsche macan', 'volkswagen lavida', 'skoda fabia', 'byd qin plus', 'geely haoyue', 'rising marvel r', 'rising marvel r', 'volvo s60', 'volkswagen tiguan', 'buick excelle', 'harvard h6', 'mini mini', 'skoda karoq', 'audi a4l', 'nissan x-trail', 'kia forte', 'hyundai tucson', 'skoda kamiq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000} \nStep 3, count vehicles priced below 500000 RMB: 30",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":513
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) -1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'golden', 'white', 'golden', 'white', 'gray', 'white', 'silver', 'white', 'white', 'brown', 'brown', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'golden', 'white', 'golden', 'black', 'white', 'brown', 'gray', 'black', 'gray', 'black', 'blue', 'golden'] \nStep 2, identify the type of blue vehicles: ['suv', 'suv'] \nStep 3, count blue compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":514
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2202.3, 958.2], [1446.6, 1158.3], [1928.0, 1044.5], [2253.9, 941.4], [1569.6, 1130.8], [1319.9, 1203.5], [1395.8, 1509.2], [1256.5, 1223.6], [2036.8, 1315.9], [1783.1, 1372.0], [1595.5, 1447.9], [1530.6, 1468.0], [1384.1, 1187.6], [1384.1, 1187.6], [1630.7, 1117.3], [1975.9, 1330.2], [1984.6, 1033.4], [1864.7, 1048.5], [1911.0, 1347.3], [1911.0, 1347.3], [1662.2, 1433.5], [1688.5, 1101.4], [1508.9, 1154.3], [1727.4, 1403.9], [2150.3, 972.2], [1463.3, 1490.9], [1751.9, 1087.1], [1807.1, 1068.7], [2038.0, 1004.8], [1850.2, 1372.1], [2094.1, 990.0], [2099.8, 1292.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.7, -7.2, 119.6], [-22.9, 1.4, 114.7], [-3.0, -3.4, 117.4], [11.0, -7.9, 120.1], [-17.9, 0.2, 115.3], [-27.8, 3.2, 113.6], [-23.3, 14.8, 106.9], [-30.3, 4.0, 113.1], [1.5, 7.6, 111.1], [-8.6, 9.8, 109.8], [-15.8, 12.6, 108.2], [-18.2, 13.3, 107.8], [-25.3, 2.6, 114.0], [-25.3, 2.6, 114.0], [-15.4, -0.3, 115.7], [-1.0, 8.2, 110.7], [-0.7, -3.9, 117.7], [-5.7, -3.2, 117.3], [-3.5, 8.8, 110.4], [-3.5, 8.8, 110.4], [-13.2, 12.1, 108.5], [-13.0, -1.0, 116.0], [-20.3, 1.2, 114.8], [-10.7, 11.0, 109.1], [6.5, -6.6, 119.3], [-20.8, 14.2, 107.3], [-10.4, -1.6, 116.4], [-8.1, -2.4, 116.8], [1.6, -5.1, 118.4], [-5.9, 9.8, 109.8], [4.0, -5.8, 118.8], [4.0, 6.8, 111.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.2, 116.9, 117.5, 120.8, 116.7, 117.0, 110.4, 117.2, 111.3, 110.6, 110.1, 110.1, 116.8, 116.8, 116.7, 111.0, 117.8, 117.5, 110.8, 110.8, 110.0, 116.8, 116.6, 110.2, 119.6, 110.2, 116.9, 117.1, 118.6, 110.4, 119.0, 111.8] \/nStep 5, find the maximum distance to the drone: 120.8 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":515
+    },
+    {
+        "image":"3f3c425a-DJI_0237.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":10.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2202.3, 958.2], [1446.6, 1158.3], [1928.0, 1044.5], [2253.9, 941.4], [1569.6, 1130.8], [1319.9, 1203.5], [1395.8, 1509.2], [1256.5, 1223.6], [2036.8, 1315.9], [1783.1, 1372.0], [1595.5, 1447.9], [1530.6, 1468.0], [1384.1, 1187.6], [1384.1, 1187.6], [1630.7, 1117.3], [1975.9, 1330.2], [1984.6, 1033.4], [1864.7, 1048.5], [1911.0, 1347.3], [1911.0, 1347.3], [1662.2, 1433.5], [1688.5, 1101.4], [1508.9, 1154.3], [1727.4, 1403.9], [2150.3, 972.2], [1463.3, 1490.9], [1751.9, 1087.1], [1807.1, 1068.7], [2038.0, 1004.8], [1850.2, 1372.1], [2094.1, 990.0], [2099.8, 1292.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.7, -7.2, 119.6], [-22.9, 1.4, 114.7], [-3.0, -3.4, 117.4], [11.0, -7.9, 120.1], [-17.9, 0.2, 115.3], [-27.8, 3.2, 113.6], [-23.3, 14.8, 106.9], [-30.3, 4.0, 113.1], [1.5, 7.6, 111.1], [-8.6, 9.8, 109.8], [-15.8, 12.6, 108.2], [-18.2, 13.3, 107.8], [-25.3, 2.6, 114.0], [-25.3, 2.6, 114.0], [-15.4, -0.3, 115.7], [-1.0, 8.2, 110.7], [-0.7, -3.9, 117.7], [-5.7, -3.2, 117.3], [-3.5, 8.8, 110.4], [-3.5, 8.8, 110.4], [-13.2, 12.1, 108.5], [-13.0, -1.0, 116.0], [-20.3, 1.2, 114.8], [-10.7, 11.0, 109.1], [6.5, -6.6, 119.3], [-20.8, 14.2, 107.3], [-10.4, -1.6, 116.4], [-8.1, -2.4, 116.8], [1.6, -5.1, 118.4], [-5.9, 9.8, 109.8], [4.0, -5.8, 118.8], [4.0, 6.8, 111.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.2, 116.9, 117.5, 120.8, 116.7, 117.0, 110.4, 117.2, 111.3, 110.6, 110.1, 110.1, 116.8, 116.8, 116.7, 111.0, 117.8, 117.5, 110.8, 110.8, 110.0, 116.8, 116.6, 110.2, 119.6, 110.2, 116.9, 117.1, 118.6, 110.4, 119.0, 111.8] \/nStep 5, find the maximum distance to the drone: 120.8 \/nStep 6, calculate the flight time of the drone: 120.8\/12=10.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":32,
+        "region":"image-level",
+        "qid":516
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Monica said she bought a new red car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'black', 'black', 'white', 'brown', 'white', 'white', 'blue', 'black', 'white', 'golden', 'brown', 'brown', 'golden', 'white', 'white', 'white', 'white', 'gray', 'black', 'golden', 'silver', 'silver', 'silver', 'white', 'gray', 'gray', 'golden', 'white', 'golden', 'golden', 'golden'] \/nStep 2, there is no red car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":517
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":518
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":519
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 30137. B) 22137. C) 25137. D) 20137.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":520
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":5150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a4l', 'geely haoyue', 'hyundai tucson', 'hyundai tucson', 'skoda fabia', 'skoda karoq', 'audi a3', 'tesla model y', 'skoda kamiq', 'nissan x-trail', 'volkswagen lavida', 'volvo s60', 'porsche macan', 'volkswagen sharan', 'buick excelle', 'volkswagen tiguan', 'mini mini', 'volkswagen lavida', 'mercedes-benz c-class', 'rising marvel r', 'harvard h6', 'volvo s60', 'roewe 550', 'roewe 550', 'roewe 550', 'toyota corolla', 'byd qin plus', 'kia forte', 'volkswagen passat', 'lexus es', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000} \nStep 3, sum the price of each vehicle: 5150000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":521
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000}",
+        "choices":"A) 135000. B) 149285. C) 1045000. D) 45000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'black', 'black', 'white', 'brown', 'white', 'white', 'blue', 'black', 'white', 'golden', 'brown', 'brown', 'golden', 'white', 'white', 'white', 'white', 'gray', 'black', 'golden', 'silver', 'silver', 'silver', 'white', 'gray', 'gray', 'golden', 'white', 'golden', 'golden', 'golden'] \nStep 2, identify the model of golden vehicles: ['volvo s60', 'buick excelle', 'volvo s60', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 3, query vehicle prices: {'volvo s60': 230000, 'buick excelle': 45000, 'volkswagen passat': 135000} \nStep 4, sum the price of each golden vehicle: 1045000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":522
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.8, 4.7, 4.7, 4.0, 4.4, 4.3, 4.8, 4.4, 4.7, 4.7, 4.8, 4.7, 4.9, 4.6, 4.5, 3.9, 4.7, 4.9, 4.7, 4.7, 4.8, 4.6, 4.6, 4.6, 4.6, 4.8, 4.5, 4.9, 5.0, 4.9, 4.9, 4.9] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":523
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.7. B) 158.8. C) 5.0. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.8, 4.7, 4.7, 4.0, 4.4, 4.3, 4.8, 4.4, 4.7, 4.7, 4.8, 4.7, 4.9, 4.6, 4.5, 3.9, 4.7, 4.9, 4.7, 4.7, 4.8, 4.6, 4.6, 4.6, 4.6, 4.8, 4.5, 4.9, 5.0, 4.9, 4.9, 4.9] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":524
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":715000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a4l', 'geely haoyue', 'hyundai tucson', 'hyundai tucson', 'skoda fabia', 'skoda karoq', 'audi a3', 'tesla model y', 'skoda kamiq', 'nissan x-trail', 'volkswagen lavida', 'volvo s60', 'porsche macan', 'volkswagen sharan', 'buick excelle', 'volkswagen tiguan', 'mini mini', 'volkswagen lavida', 'mercedes-benz c-class', 'rising marvel r', 'harvard h6', 'volvo s60', 'roewe 550', 'roewe 550', 'roewe 550', 'toyota corolla', 'byd qin plus', 'kia forte', 'volkswagen passat', 'lexus es', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":525
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000}",
+        "choices":"A) 715000. B) 151470. C) 135000. D) 20000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a4l', 'geely haoyue', 'hyundai tucson', 'hyundai tucson', 'skoda fabia', 'skoda karoq', 'audi a3', 'tesla model y', 'skoda kamiq', 'nissan x-trail', 'volkswagen lavida', 'volvo s60', 'porsche macan', 'volkswagen sharan', 'buick excelle', 'volkswagen tiguan', 'mini mini', 'volkswagen lavida', 'mercedes-benz c-class', 'rising marvel r', 'harvard h6', 'volvo s60', 'roewe 550', 'roewe 550', 'roewe 550', 'toyota corolla', 'byd qin plus', 'kia forte', 'volkswagen passat', 'lexus es', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":526
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) golden. C) blue. D) purple.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'black', 'black', 'white', 'brown', 'white', 'white', 'blue', 'black', 'white', 'golden', 'brown', 'brown', 'golden', 'white', 'white', 'white', 'white', 'gray', 'black', 'golden', 'silver', 'silver', 'silver', 'white', 'gray', 'gray', 'golden', 'white', 'golden', 'golden', 'golden'] \/nStep 2, count vehicles for each color: {'white': 11, 'gray': 4, 'blue': 2, 'black': 4, 'brown': 3, 'golden': 7, 'silver': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":527
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) gray. C) orange. D) black.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'suv', 'suv', 'suv', 'subcompact', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'mpv', 'compact', 'suv', 'micro-size', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'compact', 'compact', 'compact', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of mpv vehicles: ['brown'] \nStep 3, count mpv vehicles for each color: {'brown': 1} \nStep 4, sort to get the most common color of mpv vehicle: brown",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":528
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 41 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 34 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 41-34=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":529
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 2. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'black', 'black', 'white', 'brown', 'white', 'white', 'blue', 'black', 'white', 'golden', 'brown', 'brown', 'golden', 'white', 'white', 'white', 'white', 'gray', 'black', 'golden', 'silver', 'silver', 'silver', 'white', 'gray', 'gray', 'golden', 'white', 'golden', 'golden', 'golden'] \/nStep 2, count all brown vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":530
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":33,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a4l', 'geely haoyue', 'hyundai tucson', 'hyundai tucson', 'skoda fabia', 'skoda karoq', 'audi a3', 'tesla model y', 'skoda kamiq', 'nissan x-trail', 'volkswagen lavida', 'volvo s60', 'porsche macan', 'volkswagen sharan', 'buick excelle', 'volkswagen tiguan', 'mini mini', 'volkswagen lavida', 'mercedes-benz c-class', 'rising marvel r', 'harvard h6', 'volvo s60', 'roewe 550', 'roewe 550', 'roewe 550', 'toyota corolla', 'byd qin plus', 'kia forte', 'volkswagen passat', 'lexus es', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'volkswagen passat': 135000, 'lexus es': 340000} \nStep 3, count vehicles priced below 500000 RMB: 33",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":531
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many blue suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'black', 'black', 'white', 'brown', 'white', 'white', 'blue', 'black', 'white', 'golden', 'brown', 'brown', 'golden', 'white', 'white', 'white', 'white', 'gray', 'black', 'golden', 'silver', 'silver', 'silver', 'white', 'gray', 'gray', 'golden', 'white', 'golden', 'golden', 'golden'] \nStep 2, identify the type of blue vehicles: ['suv', 'suv'] \nStep 3, count blue suv vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":532
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1348.7, 1273.5], [1502.7, 1728.2], [1456.5, 1606.9], [1848.0, 1586.7], [1848.0, 1586.7], [1796.2, 1466.0], [2009.7, 1976.4], [1775.5, 1410.1], [1561.3, 1929.8], [1389.3, 1375.7], [1484.7, 1666.3], [1543.2, 1861.6], [1331.8, 1222.8], [1637.5, 2136.0], [1599.4, 2069.5], [1590.2, 1995.5], [1523.9, 1798.0], [1368.1, 1321.6], [1454.0, 1543.9], [1948.7, 1841.0], [1818.5, 1527.7], [1891.4, 1707.8], [1927.7, 1771.5], [1850.2, 1655.8], [1850.2, 1655.8], [1850.2, 1655.8], [1975.3, 1908.0], [1440.6, 1485.0], [1408.8, 1431.8], [1657.4, 2214.0], [2035.0, 2050.3], [1752.1, 1356.6], [1752.1, 1356.6], [1752.1, 1356.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-26.3, 6.0, 112.0], [-18.4, 22.3, 102.6], [-20.6, 18.2, 104.9], [-5.8, 17.5, 105.3], [-5.8, 17.5, 105.3], [-7.9, 13.3, 107.8], [0.3, 30.1, 98.1], [-8.8, 11.2, 109.0], [-15.6, 28.7, 98.9], [-24.2, 9.9, 109.7], [-19.3, 20.2, 103.8], [-16.5, 26.6, 100.1], [-27.3, 4.0, 113.2], [-12.5, 34.8, 95.4], [-13.9, 32.9, 96.5], [-14.4, 30.7, 97.8], [-17.4, 24.6, 101.3], [-25.3, 7.9, 110.9], [-20.9, 16.0, 106.2], [-1.9, 25.9, 100.5], [-7.0, 15.5, 106.5], [-4.0, 21.6, 103.0], [-2.7, 23.7, 101.8], [-5.6, 19.9, 104.0], [-5.6, 19.9, 104.0], [-5.6, 19.9, 104.0], [-0.9, 28.0, 99.3], [-21.7, 13.9, 107.4], [-23.1, 12.0, 108.5], [-11.6, 36.9, 94.1], [1.2, 32.3, 96.8], [-9.8, 9.2, 110.2], [-9.8, 9.2, 110.2], [-9.8, 9.2, 110.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [115.2, 106.6, 108.5, 107.0, 107.0, 108.9, 102.6, 109.9, 104.2, 112.8, 107.5, 104.9, 116.5, 102.3, 102.9, 103.5, 105.7, 114.0, 109.4, 103.8, 107.9, 105.3, 104.5, 106.0, 106.0, 106.0, 103.2, 110.5, 111.6, 101.8, 102.1, 111.0, 111.0, 111.0] \/nStep 5, find the maximum distance to the drone: 116.5 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":533
+    },
+    {
+        "image":"1dacb4c2-DJI_0238.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 19. B) 17.5. C) 6.5. D) 18.5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1348.7, 1273.5], [1502.7, 1728.2], [1456.5, 1606.9], [1848.0, 1586.7], [1848.0, 1586.7], [1796.2, 1466.0], [2009.7, 1976.4], [1775.5, 1410.1], [1561.3, 1929.8], [1389.3, 1375.7], [1484.7, 1666.3], [1543.2, 1861.6], [1331.8, 1222.8], [1637.5, 2136.0], [1599.4, 2069.5], [1590.2, 1995.5], [1523.9, 1798.0], [1368.1, 1321.6], [1454.0, 1543.9], [1948.7, 1841.0], [1818.5, 1527.7], [1891.4, 1707.8], [1927.7, 1771.5], [1850.2, 1655.8], [1850.2, 1655.8], [1850.2, 1655.8], [1975.3, 1908.0], [1440.6, 1485.0], [1408.8, 1431.8], [1657.4, 2214.0], [2035.0, 2050.3], [1752.1, 1356.6], [1752.1, 1356.6], [1752.1, 1356.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-26.3, 6.0, 112.0], [-18.4, 22.3, 102.6], [-20.6, 18.2, 104.9], [-5.8, 17.5, 105.3], [-5.8, 17.5, 105.3], [-7.9, 13.3, 107.8], [0.3, 30.1, 98.1], [-8.8, 11.2, 109.0], [-15.6, 28.7, 98.9], [-24.2, 9.9, 109.7], [-19.3, 20.2, 103.8], [-16.5, 26.6, 100.1], [-27.3, 4.0, 113.2], [-12.5, 34.8, 95.4], [-13.9, 32.9, 96.5], [-14.4, 30.7, 97.8], [-17.4, 24.6, 101.3], [-25.3, 7.9, 110.9], [-20.9, 16.0, 106.2], [-1.9, 25.9, 100.5], [-7.0, 15.5, 106.5], [-4.0, 21.6, 103.0], [-2.7, 23.7, 101.8], [-5.6, 19.9, 104.0], [-5.6, 19.9, 104.0], [-5.6, 19.9, 104.0], [-0.9, 28.0, 99.3], [-21.7, 13.9, 107.4], [-23.1, 12.0, 108.5], [-11.6, 36.9, 94.1], [1.2, 32.3, 96.8], [-9.8, 9.2, 110.2], [-9.8, 9.2, 110.2], [-9.8, 9.2, 110.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [115.2, 106.6, 108.5, 107.0, 107.0, 108.9, 102.6, 109.9, 104.2, 112.8, 107.5, 104.9, 116.5, 102.3, 102.9, 103.5, 105.7, 114.0, 109.4, 103.8, 107.9, 105.3, 104.5, 106.0, 106.0, 106.0, 103.2, 110.5, 111.6, 101.8, 102.1, 111.0, 111.0, 111.0] \/nStep 5, find the maximum distance to the drone: 116.5 \/nStep 6, calculate the flight time of the drone: 116.5\/18=6.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":34,
+        "region":"image-level",
+        "qid":534
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Rachel said she bought a new brown car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'blue', 'white', 'gray', 'golden', 'black', 'gray', 'white', 'gray', 'white', 'blue', 'blue', 'golden', 'white', 'golden', 'brown', 'white', 'white', 'silver', 'white', 'brown', 'white', 'black', 'white', 'golden', 'black', 'gray', 'white', 'white', 'brown', 'golden'] \/nStep 2, there is an brown car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":535
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":536
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":537
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":538
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":4975000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin plus', 'skoda kamiq', 'volkswagen lavida', 'audi a4l', 'buick excelle', 'nissan x-trail', 'rising marvel r', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'geely haoyue', 'geely haoyue', 'volvo s60', 'mini mini', 'volvo s60', 'volkswagen sharan', 'volkswagen lavida', 'mercedes-benz c-class', 'roewe 550', 'audi a3', 'porsche macan', 'tesla model y', 'hyundai tucson', 'mercedes-benz c-class', 'volkswagen passat', 'harvard h6', 'audi q3', 'toyota corolla', 'lexus es', 'skoda karoq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000} \nStep 3, sum the price of each vehicle: 4975000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":539
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":430000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'blue', 'white', 'gray', 'golden', 'black', 'gray', 'white', 'gray', 'white', 'blue', 'blue', 'golden', 'white', 'golden', 'brown', 'white', 'white', 'silver', 'white', 'brown', 'white', 'black', 'white', 'golden', 'black', 'gray', 'white', 'white', 'brown', 'golden'] \nStep 2, identify the model of black vehicles: ['nissan x-trail', 'hyundai tucson', 'harvard h6'] \nStep 3, query vehicle prices: {'nissan x-trail': 175000, 'hyundai tucson': 155000, 'harvard h6': 100000} \nStep 4, sum the price of each black vehicle: 430000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":540
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":160483,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin plus', 'skoda kamiq', 'volkswagen lavida', 'audi a4l', 'buick excelle', 'nissan x-trail', 'rising marvel r', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'geely haoyue', 'geely haoyue', 'volvo s60', 'mini mini', 'volvo s60', 'volkswagen sharan', 'volkswagen lavida', 'mercedes-benz c-class', 'roewe 550', 'audi a3', 'porsche macan', 'tesla model y', 'hyundai tucson', 'mercedes-benz c-class', 'volkswagen passat', 'harvard h6', 'audi q3', 'toyota corolla', 'lexus es', 'skoda karoq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000} \nStep 3, calculate the average price of all vehicles: 160483",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":541
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"A) 20000. B) 715000. C) 135000. D) 430000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin plus', 'skoda kamiq', 'volkswagen lavida', 'audi a4l', 'buick excelle', 'nissan x-trail', 'rising marvel r', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'geely haoyue', 'geely haoyue', 'volvo s60', 'mini mini', 'volvo s60', 'volkswagen sharan', 'volkswagen lavida', 'mercedes-benz c-class', 'roewe 550', 'audi a3', 'porsche macan', 'tesla model y', 'hyundai tucson', 'mercedes-benz c-class', 'volkswagen passat', 'harvard h6', 'audi q3', 'toyota corolla', 'lexus es', 'skoda karoq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":542
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.4, 4.7, 4.9, 4.6, 4.7, 4.7, 4.5, 4.5, 4.0, 4.8, 4.8, 4.8, 3.9, 4.8, 4.9, 4.7, 4.9, 4.6, 4.3, 4.7, 4.8, 4.7, 4.9, 4.9, 4.7, 4.5, 4.6, 5.0, 4.4, 4.9] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":543
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin plus', 'skoda kamiq', 'volkswagen lavida', 'audi a4l', 'buick excelle', 'nissan x-trail', 'rising marvel r', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'geely haoyue', 'geely haoyue', 'volvo s60', 'mini mini', 'volvo s60', 'volkswagen sharan', 'volkswagen lavida', 'mercedes-benz c-class', 'roewe 550', 'audi a3', 'porsche macan', 'tesla model y', 'hyundai tucson', 'mercedes-benz c-class', 'volkswagen passat', 'harvard h6', 'audi q3', 'toyota corolla', 'lexus es', 'skoda karoq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":544
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'blue', 'white', 'gray', 'golden', 'black', 'gray', 'white', 'gray', 'white', 'blue', 'blue', 'golden', 'white', 'golden', 'brown', 'white', 'white', 'silver', 'white', 'brown', 'white', 'black', 'white', 'golden', 'black', 'gray', 'white', 'white', 'brown', 'golden'] \/nStep 2, count vehicles for each color: {'gray': 5, 'blue': 3, 'white': 11, 'golden': 5, 'black': 3, 'brown': 3, 'silver': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":545
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"brown",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'compact', 'subcompact', 'suv', 'suv', 'mid-size', 'micro-size', 'mid-size', 'mpv', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'mid-size'] \nStep 2, identify the color of mpv vehicles: ['brown'] \nStep 3, count mpv vehicles for each color: {'brown': 1} \nStep 4, sort to get the most common color of mpv vehicle: brown",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":546
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 31 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 31-22=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":547
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 8. B) 9. C) 11. D) 10.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'compact', 'subcompact', 'suv', 'suv', 'mid-size', 'micro-size', 'mid-size', 'mpv', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'mid-size'] \/nStep 2, count all mid-size vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":548
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":30,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin plus', 'skoda kamiq', 'volkswagen lavida', 'audi a4l', 'buick excelle', 'nissan x-trail', 'rising marvel r', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'geely haoyue', 'geely haoyue', 'volvo s60', 'mini mini', 'volvo s60', 'volkswagen sharan', 'volkswagen lavida', 'mercedes-benz c-class', 'roewe 550', 'audi a3', 'porsche macan', 'tesla model y', 'hyundai tucson', 'mercedes-benz c-class', 'volkswagen passat', 'harvard h6', 'audi q3', 'toyota corolla', 'lexus es', 'skoda karoq', 'volkswagen passat'] \nStep 2, query all vehicle prices: {'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000} \nStep 3, count vehicles priced below 500000 RMB: 30",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":549
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many brown mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'blue', 'white', 'gray', 'golden', 'black', 'gray', 'white', 'gray', 'white', 'blue', 'blue', 'golden', 'white', 'golden', 'brown', 'white', 'white', 'silver', 'white', 'brown', 'white', 'black', 'white', 'golden', 'black', 'gray', 'white', 'white', 'brown', 'golden'] \nStep 2, identify the type of brown vehicles: ['mpv', 'suv', 'suv'] \nStep 3, count brown mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":550
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2101.9, 1027.1], [2284.0, 955.7], [2007.6, 1045.1], [1709.8, 1110.5], [1286.2, 1222.4], [1805.2, 1083.5], [1973.9, 1575.8], [1597.4, 1136.0], [2190.9, 977.8], [2089.5, 1546.5], [1898.7, 1044.7], [1898.7, 1044.7], [1526.8, 1731.9], [2378.2, 928.0], [2552.4, 878.3], [1177.0, 1228.1], [1497.4, 1161.4], [2466.5, 905.7], [1746.8, 1617.7], [2195.9, 1518.2], [1068.2, 1276.4], [1391.7, 1181.6], [1867.7, 1617.9], [1409.3, 1760.6], [953.6, 1300.0], [1645.8, 1673.1], [842.5, 1337.3], [1291.2, 1793.5], [1044.5, 1876.3], [1167.0, 1837.3], [2296.6, 1482.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.6, -2.5, 70.7], [7.4, -4.4, 71.8], [0.2, -2.0, 70.5], [-7.3, -0.4, 69.5], [-17.5, 2.4, 67.9], [-4.9, -1.0, 69.9], [-0.6, 10.3, 63.3], [-10.0, 0.3, 69.1], [4.9, -3.8, 71.5], [2.1, 9.7, 63.7], [-2.6, -2.0, 70.5], [-2.6, -2.0, 70.5], [-10.5, 13.5, 61.5], [9.8, -5.1, 72.2], [14.5, -6.5, 73.0], [-20.1, 2.5, 67.8], [-12.5, 0.9, 68.8], [12.2, -5.7, 72.6], [-5.7, 11.2, 62.8], [4.5, 9.1, 64.0], [-22.6, 3.7, 67.2], [-15.0, 1.4, 68.5], [-3.0, 11.2, 62.8], [-13.0, 14.0, 61.2], [-25.2, 4.2, 66.8], [-7.9, 12.3, 62.2], [-27.7, 5.1, 66.4], [-15.5, 14.7, 60.8], [-20.6, 16.2, 59.9], [-18.1, 15.5, 60.3], [6.9, 8.3, 64.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [70.8, 72.3, 70.5, 69.9, 70.2, 70.1, 64.2, 69.8, 71.7, 64.5, 70.5, 70.5, 63.8, 73.1, 74.7, 70.8, 69.9, 73.8, 64.1, 64.8, 70.9, 70.1, 63.9, 64.1, 71.6, 63.9, 72.1, 64.5, 65.4, 64.9, 65.4] \/nStep 5, find the minimum distance to the drone: 63.8 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":551
+    },
+    {
+        "image":"b1f13c11-DJI_0242.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":6.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2101.9, 1027.1], [2284.0, 955.7], [2007.6, 1045.1], [1709.8, 1110.5], [1286.2, 1222.4], [1805.2, 1083.5], [1973.9, 1575.8], [1597.4, 1136.0], [2190.9, 977.8], [2089.5, 1546.5], [1898.7, 1044.7], [1898.7, 1044.7], [1526.8, 1731.9], [2378.2, 928.0], [2552.4, 878.3], [1177.0, 1228.1], [1497.4, 1161.4], [2466.5, 905.7], [1746.8, 1617.7], [2195.9, 1518.2], [1068.2, 1276.4], [1391.7, 1181.6], [1867.7, 1617.9], [1409.3, 1760.6], [953.6, 1300.0], [1645.8, 1673.1], [842.5, 1337.3], [1291.2, 1793.5], [1044.5, 1876.3], [1167.0, 1837.3], [2296.6, 1482.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.6, -2.5, 70.7], [7.4, -4.4, 71.8], [0.2, -2.0, 70.5], [-7.3, -0.4, 69.5], [-17.5, 2.4, 67.9], [-4.9, -1.0, 69.9], [-0.6, 10.3, 63.3], [-10.0, 0.3, 69.1], [4.9, -3.8, 71.5], [2.1, 9.7, 63.7], [-2.6, -2.0, 70.5], [-2.6, -2.0, 70.5], [-10.5, 13.5, 61.5], [9.8, -5.1, 72.2], [14.5, -6.5, 73.0], [-20.1, 2.5, 67.8], [-12.5, 0.9, 68.8], [12.2, -5.7, 72.6], [-5.7, 11.2, 62.8], [4.5, 9.1, 64.0], [-22.6, 3.7, 67.2], [-15.0, 1.4, 68.5], [-3.0, 11.2, 62.8], [-13.0, 14.0, 61.2], [-25.2, 4.2, 66.8], [-7.9, 12.3, 62.2], [-27.7, 5.1, 66.4], [-15.5, 14.7, 60.8], [-20.6, 16.2, 59.9], [-18.1, 15.5, 60.3], [6.9, 8.3, 64.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [70.8, 72.3, 70.5, 69.9, 70.2, 70.1, 64.2, 69.8, 71.7, 64.5, 70.5, 70.5, 63.8, 73.1, 74.7, 70.8, 69.9, 73.8, 64.1, 64.8, 70.9, 70.1, 63.9, 64.1, 71.6, 63.9, 72.1, 64.5, 65.4, 64.9, 65.4] \/nStep 5, find the minimum distance to the drone: 63.8 \/nStep 6, calculate the flight time of the drone: 63.8\/10=6.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":552
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new yellow car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'brown', 'brown', 'blue', 'white', 'golden', 'white', 'brown', 'golden', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'gray', 'golden', 'silver', 'golden', 'golden'] \/nStep 2, there is no yellow car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":553
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":554
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 70. B) 80. C) 60. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":555
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":556
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 958. B) 1437. C) 4790000. D) 159.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'skoda fabia', 'audi a4l', 'mercedes-benz c-class', 'nissan x-trail', 'volkswagen tiguan', 'tesla model y', 'mercedes-benz c-class', 'volkswagen lavida', 'hyundai tucson', 'harvard h6', 'volkswagen sharan', 'porsche macan', 'geely haoyue', 'volkswagen lavida', 'buick excelle', 'toyota corolla', 'skoda karoq', 'volvo s60', 'mini mini', 'lexus es', 'kia forte', 'skoda kamiq', 'rising marvel r', 'byd qin plus', 'byd qin plus', 'volkswagen passat', 'roewe 550', 'volkswagen passat', 'volvo s60'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000} \nStep 3, sum the price of each vehicle: 4790000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":557
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 166818. B) 30000. C) 340000. D) 1835000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'brown', 'brown', 'blue', 'white', 'golden', 'white', 'brown', 'golden', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'gray', 'golden', 'silver', 'golden', 'golden'] \nStep 2, identify the model of white vehicles: ['audi a3', 'skoda fabia', 'mercedes-benz c-class', 'volkswagen tiguan', 'tesla model y', 'mercedes-benz c-class', 'volkswagen lavida', 'volkswagen lavida', 'toyota corolla', 'mini mini', 'lexus es'] \nStep 3, query vehicle prices: {'audi a3': 150000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'mini mini': 270000, 'lexus es': 340000} \nStep 4, sum the price of each white vehicle: 1835000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":558
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 715000. B) 125000. C) 20000. D) 159666.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'skoda fabia', 'audi a4l', 'mercedes-benz c-class', 'nissan x-trail', 'volkswagen tiguan', 'tesla model y', 'mercedes-benz c-class', 'volkswagen lavida', 'hyundai tucson', 'harvard h6', 'volkswagen sharan', 'porsche macan', 'geely haoyue', 'volkswagen lavida', 'buick excelle', 'toyota corolla', 'skoda karoq', 'volvo s60', 'mini mini', 'lexus es', 'kia forte', 'skoda kamiq', 'rising marvel r', 'byd qin plus', 'byd qin plus', 'volkswagen passat', 'roewe 550', 'volkswagen passat', 'volvo s60'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000} \nStep 3, calculate the average price of all vehicles: 159666",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":559
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.0, 4.9, 4.9, 4.7, 4.5, 4.8, 4.9, 4.7, 4.7, 4.7, 4.9, 4.7, 4.8, 4.7, 4.6, 4.6, 4.4, 4.8, 3.9, 5.0, 4.5, 4.4, 4.7, 4.8, 4.8, 4.9, 4.6, 4.9, 4.8] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":560
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.0, 4.9, 4.9, 4.7, 4.5, 4.8, 4.9, 4.7, 4.7, 4.7, 4.9, 4.7, 4.8, 4.7, 4.6, 4.6, 4.4, 4.8, 3.9, 5.0, 4.5, 4.4, 4.7, 4.8, 4.8, 4.9, 4.6, 4.9, 4.8] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":561
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 5.0. B) 4. C) 139.8. D) 3.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.0, 4.9, 4.9, 4.7, 4.5, 4.8, 4.9, 4.7, 4.7, 4.7, 4.9, 4.7, 4.8, 4.7, 4.6, 4.6, 4.4, 4.8, 3.9, 5.0, 4.5, 4.4, 4.7, 4.8, 4.8, 4.9, 4.6, 4.9, 4.8] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":562
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) red. B) white. C) purple. D) blue.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'brown', 'brown', 'blue', 'white', 'golden', 'white', 'brown', 'golden', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'gray', 'golden', 'silver', 'golden', 'golden'] \/nStep 2, count vehicles for each color: {'white': 11, 'gray': 5, 'black': 3, 'brown': 3, 'blue': 2, 'golden': 5, 'silver': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":563
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) blue. C) gray. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'subcompact', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'suv', 'suv', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'micro-size', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'mid-size', 'mid-size'] \nStep 2, identify the color of micro-size vehicles: ['white'] \nStep 3, count micro-size vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of micro-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":564
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 36 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 30 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 36-30=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":565
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'subcompact', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mpv', 'suv', 'suv', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'micro-size', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'compact', 'mid-size', 'mid-size'] \/nStep 2, count all mid-size vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":566
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 32. B) 30. C) 31. D) 29.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'skoda fabia', 'audi a4l', 'mercedes-benz c-class', 'nissan x-trail', 'volkswagen tiguan', 'tesla model y', 'mercedes-benz c-class', 'volkswagen lavida', 'hyundai tucson', 'harvard h6', 'volkswagen sharan', 'porsche macan', 'geely haoyue', 'volkswagen lavida', 'buick excelle', 'toyota corolla', 'skoda karoq', 'volvo s60', 'mini mini', 'lexus es', 'kia forte', 'skoda kamiq', 'rising marvel r', 'byd qin plus', 'byd qin plus', 'volkswagen passat', 'roewe 550', 'volkswagen passat', 'volvo s60'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000} \nStep 3, count vehicles priced below 500000 RMB: 29",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":567
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many blue micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'black', 'white', 'white', 'white', 'white', 'black', 'black', 'brown', 'brown', 'blue', 'white', 'golden', 'white', 'brown', 'golden', 'white', 'white', 'gray', 'blue', 'gray', 'gray', 'gray', 'golden', 'silver', 'golden', 'golden'] \nStep 2, identify the type of blue vehicles: ['suv', 'suv'] \nStep 3, count blue micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":568
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1941.3, 884.7], [1977.4, 961.5], [1542.1, 1337.6], [1285.5, 699.9], [1509.2, 1247.4], [1579.0, 1437.8], [1644.5, 1634.8], [2252.4, 1493.2], [1612.0, 1533.0], [2066.6, 1126.7], [2145.0, 1298.4], [1711.9, 1847.8], [1779.1, 1956.0], [1467.4, 1161.3], [1458.4, 1072.8], [1696.5, 1734.7], [2301.4, 1592.9], [2366.5, 1697.1], [2213.5, 1391.8], [1314.6, 767.3], [2416.9, 1809.6], [1385.9, 914.1], [1352.1, 836.4], [2020.6, 1043.4], [1439.1, 989.9], [1439.1, 989.9], [1812.5, 2085.4], [2079.2, 1224.9], [1900.7, 810.4], [1256.0, 629.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.5, -6.3, 72.9], [-0.6, -4.2, 71.7], [-10.9, 5.1, 66.3], [-19.6, -11.6, 76.0], [-12.0, 3.0, 67.6], [-9.9, 7.3, 65.0], [-8.0, 11.5, 62.6], [5.9, 8.5, 64.4], [-8.9, 9.4, 63.9], [1.7, 0.0, 69.3], [3.5, 4.2, 66.9], [-6.3, 15.7, 60.2], [-4.7, 17.7, 59.1], [-13.2, 0.9, 68.8], [-13.7, -1.3, 70.0], [-6.7, 13.5, 61.5], [6.9, 10.6, 63.1], [8.2, 12.8, 61.9], [5.1, 6.3, 65.6], [-18.5, -9.7, 74.9], [9.1, 15.0, 60.6], [-16.0, -5.5, 72.5], [-17.2, -7.7, 73.7], [0.5, -2.1, 70.5], [-14.4, -3.5, 71.3], [-14.4, -3.5, 71.3], [-3.9, 20.0, 57.7], [1.9, 2.4, 67.9], [-2.7, -8.4, 74.1], [-20.7, -13.8, 77.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [73.2, 71.8, 67.4, 79.3, 68.7, 66.2, 64.2, 65.2, 65.2, 69.3, 67.1, 62.5, 61.8, 70.0, 71.4, 63.3, 64.4, 63.7, 66.1, 77.7, 63.1, 74.4, 76.1, 70.5, 72.8, 72.8, 61.2, 67.9, 74.7, 81.2] \/nStep 5, find the maximum distance to the drone: 81.2 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":569
+    },
+    {
+        "image":"81c15dd9-DJI_0243.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1941.3, 884.7], [1977.4, 961.5], [1542.1, 1337.6], [1285.5, 699.9], [1509.2, 1247.4], [1579.0, 1437.8], [1644.5, 1634.8], [2252.4, 1493.2], [1612.0, 1533.0], [2066.6, 1126.7], [2145.0, 1298.4], [1711.9, 1847.8], [1779.1, 1956.0], [1467.4, 1161.3], [1458.4, 1072.8], [1696.5, 1734.7], [2301.4, 1592.9], [2366.5, 1697.1], [2213.5, 1391.8], [1314.6, 767.3], [2416.9, 1809.6], [1385.9, 914.1], [1352.1, 836.4], [2020.6, 1043.4], [1439.1, 989.9], [1439.1, 989.9], [1812.5, 2085.4], [2079.2, 1224.9], [1900.7, 810.4], [1256.0, 629.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.5, -6.3, 72.9], [-0.6, -4.2, 71.7], [-10.9, 5.1, 66.3], [-19.6, -11.6, 76.0], [-12.0, 3.0, 67.6], [-9.9, 7.3, 65.0], [-8.0, 11.5, 62.6], [5.9, 8.5, 64.4], [-8.9, 9.4, 63.9], [1.7, 0.0, 69.3], [3.5, 4.2, 66.9], [-6.3, 15.7, 60.2], [-4.7, 17.7, 59.1], [-13.2, 0.9, 68.8], [-13.7, -1.3, 70.0], [-6.7, 13.5, 61.5], [6.9, 10.6, 63.1], [8.2, 12.8, 61.9], [5.1, 6.3, 65.6], [-18.5, -9.7, 74.9], [9.1, 15.0, 60.6], [-16.0, -5.5, 72.5], [-17.2, -7.7, 73.7], [0.5, -2.1, 70.5], [-14.4, -3.5, 71.3], [-14.4, -3.5, 71.3], [-3.9, 20.0, 57.7], [1.9, 2.4, 67.9], [-2.7, -8.4, 74.1], [-20.7, -13.8, 77.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [73.2, 71.8, 67.4, 79.3, 68.7, 66.2, 64.2, 65.2, 65.2, 69.3, 67.1, 62.5, 61.8, 70.0, 71.4, 63.3, 64.4, 63.7, 66.1, 77.7, 63.1, 74.4, 76.1, 70.5, 72.8, 72.8, 61.2, 67.9, 74.7, 81.2] \/nStep 5, find the maximum distance to the drone: 81.2 \/nStep 6, calculate the flight time of the drone: 81.2\/16=5.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":570
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new white car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'golden', 'white', 'gray', 'white', 'black', 'silver', 'brown', 'brown', 'white', 'gray', 'white', 'white', 'gray', 'blue', 'gray', 'golden', 'black', 'golden', 'golden', 'golden', 'blue', 'white', 'white'] \/nStep 2, there is an white car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":571
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":572
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 70. B) 30. C) 60. D) 45.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":573
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 6260. B) 4260. C) 4760. D) 14260.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":574
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"A) 1081. B) 3605000. C) 120. D) 721.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, sum the price of each vehicle: 3605000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":575
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":133518,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, calculate the average price of all vehicles: 133518",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":576
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, calculate the median price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":577
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, calculate the maximum price of all vehicles: 305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":578
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":579
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) silver. C) white. D) blue.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'golden', 'white', 'gray', 'white', 'black', 'silver', 'brown', 'brown', 'white', 'gray', 'white', 'white', 'gray', 'blue', 'gray', 'golden', 'black', 'golden', 'golden', 'golden', 'blue', 'white', 'white'] \/nStep 2, count vehicles for each color: {'white': 10, 'black': 3, 'golden': 5, 'gray': 4, 'silver': 1, 'brown': 2, 'blue': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":580
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 19 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 8. B) 9. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 27 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 27-19=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":581
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'golden', 'white', 'gray', 'white', 'black', 'silver', 'brown', 'brown', 'white', 'gray', 'white', 'white', 'gray', 'blue', 'gray', 'golden', 'black', 'golden', 'golden', 'golden', 'blue', 'white', 'white'] \/nStep 2, count all brown vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":582
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":27,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['toyota corolla', 'tesla model y', 'mercedes-benz c-class', 'hyundai tucson', 'volvo s60', 'audi a3', 'rising marvel r', 'volkswagen lavida', 'harvard h6', 'roewe 550', 'skoda karoq', 'skoda karoq', 'volkswagen tiguan', 'kia forte', 'skoda fabia', 'volkswagen lavida', 'audi a4l', 'skoda kamiq', 'byd qin plus', 'volkswagen passat', 'nissan x-trail', 'volvo s60', 'buick excelle', 'buick excelle', 'geely haoyue', 'mini mini', 'mercedes-benz c-class'] \nStep 2, query all vehicle prices: {'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'skoda karoq': 155000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'buick excelle': 45000, 'geely haoyue': 75000, 'mini mini': 270000} \nStep 3, count vehicles priced below 500000 RMB: 27",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":583
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many brown suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 4. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'golden', 'white', 'gray', 'white', 'black', 'silver', 'brown', 'brown', 'white', 'gray', 'white', 'white', 'gray', 'blue', 'gray', 'golden', 'black', 'golden', 'golden', 'golden', 'blue', 'white', 'white'] \nStep 2, identify the type of brown vehicles: ['suv', 'suv'] \nStep 3, count brown suv vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":584
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"skoda",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2393.2, 1946.9], [1079.4, 2012.6], [2294.1, 1761.4], [1965.4, 1163.4], [2213.7, 1585.4], [1777.2, 841.3], [1894.8, 1044.6], [1055.0, 1821.5], [2097.5, 1429.1], [1981.1, 1304.0], [2529.6, 2146.0], [2529.6, 2146.0], [1027.1, 1645.4], [880.1, 863.2], [1835.8, 940.8], [938.3, 1074.6], [994.8, 1481.6], [845.6, 770.3], [940.6, 958.9], [1729.6, 739.7], [962.7, 1335.3], [782.8, 530.7], [1158.0, 2196.7], [1158.0, 2196.7], [913.0, 1201.3], [820.0, 681.9], [802.4, 616.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.6, 9.7, 32.7], [-10.7, 10.3, 32.1], [3.7, 7.9, 34.5], [-0.5, 0.6, 41.8], [2.8, 6.0, 36.4], [-3.8, -4.8, 47.3], [-1.7, -1.3, 43.7], [-11.6, 8.5, 33.9], [1.3, 4.2, 38.2], [-0.3, 2.6, 39.9], [5.9, 11.4, 31.0], [5.9, 11.4, 31.0], [-12.5, 6.7, 35.7], [-18.9, -4.4, 46.8], [-2.7, -3.0, 45.4], [-16.5, -0.8, 43.2], [-13.6, 4.8, 37.6], [-20.2, -6.2, 48.6], [-17.2, -2.7, 45.1], [-4.8, -6.8, 49.3], [-14.7, 3.0, 39.4], [-23.7, -11.6, 54.0], [-9.3, 11.8, 30.6], [-9.3, 11.8, 30.6], [-16.2, 1.1, 41.3], [-21.5, -8.1, 50.5], [-22.4, -9.5, 52.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.5, 35.4, 35.6, 41.9, 37.0, 47.7, 43.7, 36.8, 38.5, 39.9, 33.6, 33.6, 38.4, 50.7, 45.6, 46.3, 40.3, 53.1, 48.4, 50.0, 42.2, 60.1, 34.1, 34.1, 44.4, 55.5, 57.4] \/nStep 5, find the minimum distance to the drone: 33.6 \/nStep 6, identify the brand of this vehicle: skoda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":585
+    },
+    {
+        "image":"7f25e1b8-DJI_0257.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2393.2, 1946.9], [1079.4, 2012.6], [2294.1, 1761.4], [1965.4, 1163.4], [2213.7, 1585.4], [1777.2, 841.3], [1894.8, 1044.6], [1055.0, 1821.5], [2097.5, 1429.1], [1981.1, 1304.0], [2529.6, 2146.0], [2529.6, 2146.0], [1027.1, 1645.4], [880.1, 863.2], [1835.8, 940.8], [938.3, 1074.6], [994.8, 1481.6], [845.6, 770.3], [940.6, 958.9], [1729.6, 739.7], [962.7, 1335.3], [782.8, 530.7], [1158.0, 2196.7], [1158.0, 2196.7], [913.0, 1201.3], [820.0, 681.9], [802.4, 616.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.6, 9.7, 32.7], [-10.7, 10.3, 32.1], [3.7, 7.9, 34.5], [-0.5, 0.6, 41.8], [2.8, 6.0, 36.4], [-3.8, -4.8, 47.3], [-1.7, -1.3, 43.7], [-11.6, 8.5, 33.9], [1.3, 4.2, 38.2], [-0.3, 2.6, 39.9], [5.9, 11.4, 31.0], [5.9, 11.4, 31.0], [-12.5, 6.7, 35.7], [-18.9, -4.4, 46.8], [-2.7, -3.0, 45.4], [-16.5, -0.8, 43.2], [-13.6, 4.8, 37.6], [-20.2, -6.2, 48.6], [-17.2, -2.7, 45.1], [-4.8, -6.8, 49.3], [-14.7, 3.0, 39.4], [-23.7, -11.6, 54.0], [-9.3, 11.8, 30.6], [-9.3, 11.8, 30.6], [-16.2, 1.1, 41.3], [-21.5, -8.1, 50.5], [-22.4, -9.5, 52.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.5, 35.4, 35.6, 41.9, 37.0, 47.7, 43.7, 36.8, 38.5, 39.9, 33.6, 33.6, 38.4, 50.7, 45.6, 46.3, 40.3, 53.1, 48.4, 50.0, 42.2, 60.1, 34.1, 34.1, 44.4, 55.5, 57.4] \/nStep 5, find the minimum distance to the drone: 33.6 \/nStep 6, calculate the flight time of the drone: 33.6\/10=3.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":586
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new purple car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'black', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'white', 'golden', 'blue', 'gray', 'white', 'gray', 'white', 'golden', 'golden', 'black'] \/nStep 2, there is no purple car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":587
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":588
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":589
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4260,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":590
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":2660000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'hyundai tucson', 'audi a3', 'harvard h6', 'roewe 550', 'kia forte', 'geely haoyue', 'volkswagen lavida', 'skoda fabia', 'volkswagen lavida', 'volkswagen lavida', 'volkswagen tiguan', 'volkswagen passat', 'skoda kamiq', 'audi a4l', 'mercedes-benz c-class', 'byd qin plus', 'mini mini', 'volvo s60', 'volvo s60', 'nissan x-trail'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000} \nStep 3, sum the price of each vehicle: 2660000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":591
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"A) 270000. B) 30000. C) 950000. D) 75000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'black', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'white', 'golden', 'blue', 'gray', 'white', 'gray', 'white', 'golden', 'golden', 'black'] \nStep 2, identify the model of white vehicles: ['audi a3', 'volkswagen lavida', 'skoda fabia', 'volkswagen lavida', 'volkswagen lavida', 'volkswagen tiguan', 'mercedes-benz c-class', 'mini mini'] \nStep 3, query vehicle prices: {'audi a3': 150000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'mercedes-benz c-class': 220000, 'mini mini': 270000} \nStep 4, sum the price of each white vehicle: 950000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":592
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":126666,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'hyundai tucson', 'audi a3', 'harvard h6', 'roewe 550', 'kia forte', 'geely haoyue', 'volkswagen lavida', 'skoda fabia', 'volkswagen lavida', 'volkswagen lavida', 'volkswagen tiguan', 'volkswagen passat', 'skoda kamiq', 'audi a4l', 'mercedes-benz c-class', 'byd qin plus', 'mini mini', 'volvo s60', 'volvo s60', 'nissan x-trail'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000} \nStep 3, calculate the average price of all vehicles: 126666",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":593
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.3, 4.7, 4.6, 4.5, 4.8, 4.7, 4.0, 4.7, 4.7, 4.5, 4.9, 4.4, 4.9, 4.9, 4.8, 3.9, 4.8, 4.8, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":594
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.3, 4.7, 4.6, 4.5, 4.8, 4.7, 4.0, 4.7, 4.7, 4.5, 4.9, 4.4, 4.9, 4.9, 4.8, 3.9, 4.8, 4.8, 4.7] \nStep 5, find the maximum length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":595
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.3, 4.7, 4.6, 4.5, 4.8, 4.7, 4.0, 4.7, 4.7, 4.5, 4.9, 4.4, 4.9, 4.9, 4.8, 3.9, 4.8, 4.8, 4.7] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":596
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) green. C) white. D) pink.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'black', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'white', 'golden', 'blue', 'gray', 'white', 'gray', 'white', 'golden', 'golden', 'black'] \/nStep 2, count vehicles for each color: {'gray': 4, 'black': 3, 'white': 8, 'silver': 1, 'blue': 2, 'golden': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":597
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"golden",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'compact', 'subcompact', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'micro-size', 'mid-size', 'mid-size', 'suv'] \nStep 2, identify the color of mid-size vehicles: ['golden', 'gray', 'white', 'golden', 'golden'] \nStep 3, count mid-size vehicles for each color: {'golden': 3, 'gray': 1, 'white': 1} \nStep 4, sort to get the most common color of mid-size vehicle: golden",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":598
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 24 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 6. D) 9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 21 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 24-21=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":599
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'suv', 'compact', 'subcompact', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'micro-size', 'mid-size', 'mid-size', 'suv'] \/nStep 2, count all compact vehicles: 7",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":600
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"A) 24. B) 23. C) 21. D) 22.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['rising marvel r', 'hyundai tucson', 'audi a3', 'harvard h6', 'roewe 550', 'kia forte', 'geely haoyue', 'volkswagen lavida', 'skoda fabia', 'volkswagen lavida', 'volkswagen lavida', 'volkswagen tiguan', 'volkswagen passat', 'skoda kamiq', 'audi a4l', 'mercedes-benz c-class', 'byd qin plus', 'mini mini', 'volvo s60', 'volvo s60', 'nissan x-trail'] \nStep 2, query all vehicle prices: {'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000} \nStep 3, count vehicles priced below 500000 RMB: 21",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":601
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many gray micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'black', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'white', 'golden', 'blue', 'gray', 'white', 'gray', 'white', 'golden', 'golden', 'black'] \nStep 2, identify the type of gray vehicles: ['suv', 'compact', 'mid-size', 'compact'] \nStep 3, count gray micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":602
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1862.5, 844.6], [1926.6, 944.7], [1752.5, 665.6], [2044.8, 1172.3], [1936.4, 1068.1], [916.6, 686.2], [972.0, 969.8], [972.1, 870.3], [1806.0, 752.6], [1085.2, 1496.3], [1085.2, 1496.3], [1061.1, 1347.5], [1709.5, 574.9], [888.9, 602.0], [1027.5, 1210.5], [841.5, 466.0], [962.7, 770.5], [857.9, 529.1], [820.3, 397.9], [820.3, 397.9], [999.2, 1085.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.3, -4.8, 47.2], [-1.2, -2.9, 45.4], [-4.5, -8.4, 50.8], [0.7, 0.7, 41.7], [-1.0, -0.9, 43.3], [-19.7, -8.0, 50.4], [-16.7, -2.5, 44.9], [-17.3, -4.3, 46.7], [-3.4, -6.6, 49.0], [-12.3, 5.0, 37.4], [-12.3, 5.0, 37.4], [-13.3, 3.1, 39.3], [-5.5, -10.5, 52.9], [-20.9, -9.9, 52.3], [-14.4, 1.3, 41.2], [-23.2, -13.2, 55.6], [-18.2, -6.2, 48.6], [-22.2, -11.6, 54.0], [-24.4, -15.1, 57.5], [-24.4, -15.1, 57.5], [-15.5, -0.6, 43.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [47.5, 45.5, 51.7, 41.7, 43.3, 54.7, 48.0, 50.0, 49.6, 39.7, 39.7, 41.6, 54.2, 57.2, 43.6, 61.7, 52.3, 59.6, 64.3, 64.3, 45.8] \/nStep 5, find the maximum distance to the drone: 64.3 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":603
+    },
+    {
+        "image":"b46ffff0-DJI_0258.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 9.5. B) 10. C) 10.5. D) 6.4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1862.5, 844.6], [1926.6, 944.7], [1752.5, 665.6], [2044.8, 1172.3], [1936.4, 1068.1], [916.6, 686.2], [972.0, 969.8], [972.1, 870.3], [1806.0, 752.6], [1085.2, 1496.3], [1085.2, 1496.3], [1061.1, 1347.5], [1709.5, 574.9], [888.9, 602.0], [1027.5, 1210.5], [841.5, 466.0], [962.7, 770.5], [857.9, 529.1], [820.3, 397.9], [820.3, 397.9], [999.2, 1085.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.3, -4.8, 47.2], [-1.2, -2.9, 45.4], [-4.5, -8.4, 50.8], [0.7, 0.7, 41.7], [-1.0, -0.9, 43.3], [-19.7, -8.0, 50.4], [-16.7, -2.5, 44.9], [-17.3, -4.3, 46.7], [-3.4, -6.6, 49.0], [-12.3, 5.0, 37.4], [-12.3, 5.0, 37.4], [-13.3, 3.1, 39.3], [-5.5, -10.5, 52.9], [-20.9, -9.9, 52.3], [-14.4, 1.3, 41.2], [-23.2, -13.2, 55.6], [-18.2, -6.2, 48.6], [-22.2, -11.6, 54.0], [-24.4, -15.1, 57.5], [-24.4, -15.1, 57.5], [-15.5, -0.6, 43.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [47.5, 45.5, 51.7, 41.7, 43.3, 54.7, 48.0, 50.0, 49.6, 39.7, 39.7, 41.6, 54.2, 57.2, 43.6, 61.7, 52.3, 59.6, 64.3, 64.3, 45.8] \/nStep 5, find the maximum distance to the drone: 64.3 \/nStep 6, calculate the flight time of the drone: 64.3\/10=6.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":604
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Rachel said she bought a new red car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'blue', 'gray', 'white', 'gray', 'white', 'white', 'gray', 'white', 'gray', 'white', 'golden', 'white', 'white', 'golden', 'black', 'black', 'golden', 'black', 'blue', 'brown', 'brown', 'gray', 'golden', 'brown', 'brown', 'white'] \/nStep 2, there is no red car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":605
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 20. B) 40. C) 120. D) 70.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":606
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 45. B) 70. C) 80. D) 30.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":607
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 33197. B) 23697. C) 23197. D) 24197.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":608
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":5575000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'roewe 550', 'skoda fabia', 'skoda kamiq', 'kia forte', 'mercedes-benz c-class', 'rising marvel r', 'volkswagen lavida', 'volkswagen lavida', 'byd qin plus', 'volkswagen tiguan', 'audi a4l', 'lexus es', 'volvo s60', 'tesla model y', 'audi a3', 'buick excelle', 'hyundai tucson', 'harvard h6', 'volvo s60', 'nissan x-trail', 'geely haoyue', 'volkswagen sharan', 'skoda karoq', 'audi q3', 'volkswagen passat', 'porsche macan', 'porsche macan', 'mini mini'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000} \nStep 3, sum the price of each vehicle: 5575000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":609
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":1930000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'blue', 'gray', 'white', 'gray', 'white', 'white', 'gray', 'white', 'gray', 'white', 'golden', 'white', 'white', 'golden', 'black', 'black', 'golden', 'black', 'blue', 'brown', 'brown', 'gray', 'golden', 'brown', 'brown', 'white'] \nStep 2, identify the model of white vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'skoda fabia', 'mercedes-benz c-class', 'volkswagen lavida', 'volkswagen lavida', 'volkswagen tiguan', 'lexus es', 'tesla model y', 'audi a3', 'mini mini'] \nStep 3, query vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'skoda fabia': 30000, 'volkswagen lavida': 75000, 'volkswagen tiguan': 55000, 'lexus es': 340000, 'tesla model y': 305000, 'audi a3': 150000, 'mini mini': 270000} \nStep 4, sum the price of each white vehicle: 1930000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":610
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.6. B) 5.0. C) 3.9. D) 143.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.6, 4.6, 4.6, 4.0, 4.4, 4.5, 4.9, 4.7, 4.7, 4.7, 4.8, 4.5, 4.9, 5.0, 4.8, 4.8, 4.3, 4.6, 4.7, 4.7, 4.8, 4.7, 4.8, 4.9, 4.4, 4.5, 4.9, 4.7, 4.7, 3.9] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":611
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":135000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'roewe 550', 'skoda fabia', 'skoda kamiq', 'kia forte', 'mercedes-benz c-class', 'rising marvel r', 'volkswagen lavida', 'volkswagen lavida', 'byd qin plus', 'volkswagen tiguan', 'audi a4l', 'lexus es', 'volvo s60', 'tesla model y', 'audi a3', 'buick excelle', 'hyundai tucson', 'harvard h6', 'volvo s60', 'nissan x-trail', 'geely haoyue', 'volkswagen sharan', 'skoda karoq', 'audi q3', 'volkswagen passat', 'porsche macan', 'porsche macan', 'mini mini'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":612
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":715000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'roewe 550', 'skoda fabia', 'skoda kamiq', 'kia forte', 'mercedes-benz c-class', 'rising marvel r', 'volkswagen lavida', 'volkswagen lavida', 'byd qin plus', 'volkswagen tiguan', 'audi a4l', 'lexus es', 'volvo s60', 'tesla model y', 'audi a3', 'buick excelle', 'hyundai tucson', 'harvard h6', 'volvo s60', 'nissan x-trail', 'geely haoyue', 'volkswagen sharan', 'skoda karoq', 'audi q3', 'volkswagen passat', 'porsche macan', 'porsche macan', 'mini mini'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000} \nStep 3, calculate the maximum price of all vehicles: 715000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":613
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'roewe 550', 'skoda fabia', 'skoda kamiq', 'kia forte', 'mercedes-benz c-class', 'rising marvel r', 'volkswagen lavida', 'volkswagen lavida', 'byd qin plus', 'volkswagen tiguan', 'audi a4l', 'lexus es', 'volvo s60', 'tesla model y', 'audi a3', 'buick excelle', 'hyundai tucson', 'harvard h6', 'volvo s60', 'nissan x-trail', 'geely haoyue', 'volkswagen sharan', 'skoda karoq', 'audi q3', 'volkswagen passat', 'porsche macan', 'porsche macan', 'mini mini'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":614
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) pink. C) black. D) brown.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'blue', 'gray', 'white', 'gray', 'white', 'white', 'gray', 'white', 'gray', 'white', 'golden', 'white', 'white', 'golden', 'black', 'black', 'golden', 'black', 'blue', 'brown', 'brown', 'gray', 'golden', 'brown', 'brown', 'white'] \/nStep 2, count vehicles for each color: {'white': 12, 'silver': 1, 'blue': 2, 'gray': 5, 'golden': 4, 'black': 3, 'brown': 4}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":615
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) orange. C) purple. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'compact', 'compact', 'subcompact', 'suv', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mpv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'micro-size'] \nStep 2, identify the color of micro-size vehicles: ['white'] \nStep 3, count micro-size vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of micro-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":616
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 9. C) 2. D) 7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 31 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 31-22=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":617
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 7. B) 9. C) 10. D) 8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'compact', 'compact', 'subcompact', 'suv', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mpv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'micro-size'] \/nStep 2, count all mid-size vehicles: 8",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":618
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":29,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'toyota corolla', 'toyota corolla', 'roewe 550', 'skoda fabia', 'skoda kamiq', 'kia forte', 'mercedes-benz c-class', 'rising marvel r', 'volkswagen lavida', 'volkswagen lavida', 'byd qin plus', 'volkswagen tiguan', 'audi a4l', 'lexus es', 'volvo s60', 'tesla model y', 'audi a3', 'buick excelle', 'hyundai tucson', 'harvard h6', 'volvo s60', 'nissan x-trail', 'geely haoyue', 'volkswagen sharan', 'skoda karoq', 'audi q3', 'volkswagen passat', 'porsche macan', 'porsche macan', 'mini mini'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000} \nStep 3, count vehicles priced below 500000 RMB: 29",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":619
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many brown mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'blue', 'gray', 'white', 'gray', 'white', 'white', 'gray', 'white', 'gray', 'white', 'golden', 'white', 'white', 'golden', 'black', 'black', 'golden', 'black', 'blue', 'brown', 'brown', 'gray', 'golden', 'brown', 'brown', 'white'] \nStep 2, identify the type of brown vehicles: ['mpv', 'suv', 'suv', 'suv'] \nStep 3, count brown mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":620
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2265.7, 1856.2], [1580.9, 1122.6], [1580.9, 1122.6], [1659.4, 1339.5], [1685.2, 1539.8], [2202.1, 1698.8], [2179.6, 1629.0], [1592.2, 1176.3], [1669.3, 1467.0], [2116.1, 1500.5], [2020.4, 1197.1], [2131.0, 1563.1], [2036.0, 1250.5], [2060.6, 1314.6], [1553.0, 1017.3], [1600.3, 1227.9], [2004.8, 1145.2], [1697.2, 1607.8], [1978.0, 1093.5], [1651.4, 1403.0], [1627.3, 1285.7], [1413.4, 2177.4], [2079.7, 1366.3], [2104.7, 1427.9], [1969.2, 1041.9], [1561.7, 1067.8], [1907.2, 903.3], [1925.7, 948.3], [1943.2, 994.1], [1943.2, 994.1], [2234.9, 1779.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[7.5, 20.6, 78.3], [-15.0, -0.1, 99.1], [-15.0, -0.1, 99.1], [-11.3, 7.1, 91.9], [-9.8, 12.9, 86.1], [6.0, 17.0, 82.0], [5.4, 15.2, 83.8], [-14.3, 1.8, 97.2], [-10.5, 10.9, 88.1], [3.6, 11.8, 87.2], [0.7, 2.5, 96.5], [4.0, 13.5, 85.5], [1.2, 4.3, 94.7], [2.0, 6.3, 92.7], [-16.6, -4.0, 103.0], [-13.8, 3.5, 95.5], [0.2, 0.7, 98.3], [-9.2, 14.7, 84.3], [-0.8, -1.1, 100.1], [-11.3, 9.0, 90.0], [-12.6, 5.4, 93.6], [-15.2, 27.2, 71.8], [2.6, 7.9, 91.1], [3.4, 9.7, 89.3], [-1.1, -3.1, 102.1], [-16.0, -2.1, 101.1], [-3.6, -8.6, 107.6], [-2.8, -6.7, 105.7], [-2.1, -4.9, 103.9], [-2.1, -4.9, 103.9], [6.8, 18.9, 80.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.4, 100.2, 100.2, 92.9, 87.6, 84.0, 85.3, 98.3, 89.4, 88.1, 96.5, 86.6, 94.8, 92.9, 104.4, 96.5, 98.3, 86.1, 100.1, 91.1, 94.6, 78.2, 91.5, 89.8, 102.1, 102.4, 108.0, 106.0, 104.0, 104.0, 82.6] \/nStep 5, find the maximum distance to the drone: 108.0 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":621
+    },
+    {
+        "image":"9f1989cf-DJI_0262.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 16.5. B) 15.5. C) 6.8. D) 17.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2265.7, 1856.2], [1580.9, 1122.6], [1580.9, 1122.6], [1659.4, 1339.5], [1685.2, 1539.8], [2202.1, 1698.8], [2179.6, 1629.0], [1592.2, 1176.3], [1669.3, 1467.0], [2116.1, 1500.5], [2020.4, 1197.1], [2131.0, 1563.1], [2036.0, 1250.5], [2060.6, 1314.6], [1553.0, 1017.3], [1600.3, 1227.9], [2004.8, 1145.2], [1697.2, 1607.8], [1978.0, 1093.5], [1651.4, 1403.0], [1627.3, 1285.7], [1413.4, 2177.4], [2079.7, 1366.3], [2104.7, 1427.9], [1969.2, 1041.9], [1561.7, 1067.8], [1907.2, 903.3], [1925.7, 948.3], [1943.2, 994.1], [1943.2, 994.1], [2234.9, 1779.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[7.5, 20.6, 78.3], [-15.0, -0.1, 99.1], [-15.0, -0.1, 99.1], [-11.3, 7.1, 91.9], [-9.8, 12.9, 86.1], [6.0, 17.0, 82.0], [5.4, 15.2, 83.8], [-14.3, 1.8, 97.2], [-10.5, 10.9, 88.1], [3.6, 11.8, 87.2], [0.7, 2.5, 96.5], [4.0, 13.5, 85.5], [1.2, 4.3, 94.7], [2.0, 6.3, 92.7], [-16.6, -4.0, 103.0], [-13.8, 3.5, 95.5], [0.2, 0.7, 98.3], [-9.2, 14.7, 84.3], [-0.8, -1.1, 100.1], [-11.3, 9.0, 90.0], [-12.6, 5.4, 93.6], [-15.2, 27.2, 71.8], [2.6, 7.9, 91.1], [3.4, 9.7, 89.3], [-1.1, -3.1, 102.1], [-16.0, -2.1, 101.1], [-3.6, -8.6, 107.6], [-2.8, -6.7, 105.7], [-2.1, -4.9, 103.9], [-2.1, -4.9, 103.9], [6.8, 18.9, 80.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.4, 100.2, 100.2, 92.9, 87.6, 84.0, 85.3, 98.3, 89.4, 88.1, 96.5, 86.6, 94.8, 92.9, 104.4, 96.5, 98.3, 86.1, 100.1, 91.1, 94.6, 78.2, 91.5, 89.8, 102.1, 102.4, 108.0, 106.0, 104.0, 104.0, 82.6] \/nStep 5, find the maximum distance to the drone: 108.0 \/nStep 6, calculate the flight time of the drone: 108.0\/16=6.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":622
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Phoebe said she bought a new silver car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'white', 'white', 'white', 'silver', 'white', 'gray', 'golden', 'golden', 'gray', 'brown', 'gray', 'black', 'white', 'black', 'white', 'white', 'brown', 'black', 'golden', 'blue', 'gray', 'golden', 'golden', 'golden', 'golden', 'golden', 'golden'] \/nStep 2, there is an silver car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":623
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":624
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":625
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 25197. B) 24197. C) 23697. D) 23197.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":626
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":4730000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd qin plus', 'geely haoyue', 'mercedes-benz c-class', 'volkswagen lavida', 'audi a3', 'roewe 550', 'volkswagen tiguan', 'rising marvel r', 'buick excelle', 'buick excelle', 'audi a4l', 'volkswagen sharan', 'kia forte', 'hyundai tucson', 'mini mini', 'harvard h6', 'tesla model y', 'skoda fabia', 'porsche macan', 'nissan x-trail', 'volkswagen passat', 'skoda kamiq', 'audi q3', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000} \nStep 3, sum the price of each vehicle: 4730000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":627
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":1415000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'white', 'white', 'white', 'silver', 'white', 'gray', 'golden', 'golden', 'gray', 'brown', 'gray', 'black', 'white', 'black', 'white', 'white', 'brown', 'black', 'golden', 'blue', 'gray', 'golden', 'golden', 'golden', 'golden', 'golden', 'golden'] \nStep 2, identify the model of golden vehicles: ['buick excelle', 'buick excelle', 'volkswagen passat', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 3, query vehicle prices: {'buick excelle': 45000, 'volkswagen passat': 135000, 'volvo s60': 230000} \nStep 4, sum the price of each golden vehicle: 1415000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":628
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":157666,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd qin plus', 'geely haoyue', 'mercedes-benz c-class', 'volkswagen lavida', 'audi a3', 'roewe 550', 'volkswagen tiguan', 'rising marvel r', 'buick excelle', 'buick excelle', 'audi a4l', 'volkswagen sharan', 'kia forte', 'hyundai tucson', 'mini mini', 'harvard h6', 'tesla model y', 'skoda fabia', 'porsche macan', 'nissan x-trail', 'volkswagen passat', 'skoda kamiq', 'audi q3', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000} \nStep 3, calculate the average price of all vehicles: 157666",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":629
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":135000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd qin plus', 'geely haoyue', 'mercedes-benz c-class', 'volkswagen lavida', 'audi a3', 'roewe 550', 'volkswagen tiguan', 'rising marvel r', 'buick excelle', 'buick excelle', 'audi a4l', 'volkswagen sharan', 'kia forte', 'hyundai tucson', 'mini mini', 'harvard h6', 'tesla model y', 'skoda fabia', 'porsche macan', 'nissan x-trail', 'volkswagen passat', 'skoda kamiq', 'audi q3', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":630
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.8, 4.8, 4.9, 4.7, 4.3, 4.6, 4.5, 4.7, 4.6, 4.6, 4.9, 4.9, 4.5, 4.7, 3.9, 4.7, 4.8, 4.0, 4.7, 4.7, 4.9, 4.4, 4.5, 4.9, 4.9, 4.8, 4.8, 4.8, 4.8] \nStep 5, find the maximum length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":631
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd qin plus', 'geely haoyue', 'mercedes-benz c-class', 'volkswagen lavida', 'audi a3', 'roewe 550', 'volkswagen tiguan', 'rising marvel r', 'buick excelle', 'buick excelle', 'audi a4l', 'volkswagen sharan', 'kia forte', 'hyundai tucson', 'mini mini', 'harvard h6', 'tesla model y', 'skoda fabia', 'porsche macan', 'nissan x-trail', 'volkswagen passat', 'skoda kamiq', 'audi q3', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":632
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) brown. C) silver. D) orange.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'white', 'white', 'white', 'silver', 'white', 'gray', 'golden', 'golden', 'gray', 'brown', 'gray', 'black', 'white', 'black', 'white', 'white', 'brown', 'black', 'golden', 'blue', 'gray', 'golden', 'golden', 'golden', 'golden', 'golden', 'golden'] \/nStep 2, count vehicles for each color: {'white': 8, 'gray': 5, 'blue': 2, 'silver': 1, 'golden': 9, 'brown': 2, 'black': 3}. \/nStep 3, sort to get the most common color: golden",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":633
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'mid-size', 'compact', 'compact', 'compact', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'mpv', 'compact', 'suv', 'micro-size', 'suv', 'mid-size', 'subcompact', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['white', 'gray', 'white', 'white', 'silver', 'golden', 'golden', 'gray'] \nStep 3, count compact vehicles for each color: {'white': 3, 'gray': 2, 'silver': 1, 'golden': 2} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":634
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 40 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 8. B) 10. C) 6. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 30 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 40-30=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":635
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 1. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'white', 'white', 'white', 'silver', 'white', 'gray', 'golden', 'golden', 'gray', 'brown', 'gray', 'black', 'white', 'black', 'white', 'white', 'brown', 'black', 'golden', 'blue', 'gray', 'golden', 'golden', 'golden', 'golden', 'golden', 'golden'] \/nStep 2, count all blue vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":636
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"A) 12. B) 13. C) 11. D) 10.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd qin plus', 'geely haoyue', 'mercedes-benz c-class', 'volkswagen lavida', 'audi a3', 'roewe 550', 'volkswagen tiguan', 'rising marvel r', 'buick excelle', 'buick excelle', 'audi a4l', 'volkswagen sharan', 'kia forte', 'hyundai tucson', 'mini mini', 'harvard h6', 'tesla model y', 'skoda fabia', 'porsche macan', 'nissan x-trail', 'volkswagen passat', 'skoda kamiq', 'audi q3', 'volkswagen passat', 'volkswagen passat', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000} \nStep 3, count vehicles priced below 100000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":637
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many white micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'blue', 'white', 'white', 'white', 'silver', 'white', 'gray', 'golden', 'golden', 'gray', 'brown', 'gray', 'black', 'white', 'black', 'white', 'white', 'brown', 'black', 'golden', 'blue', 'gray', 'golden', 'golden', 'golden', 'golden', 'golden', 'golden'] \nStep 2, identify the type of white vehicles: ['compact', 'mid-size', 'compact', 'compact', 'suv', 'micro-size', 'mid-size', 'subcompact'] \nStep 3, count white micro-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":638
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) volvo. B) ideal. C) tesla. D) skoda.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1894.9, 968.6], [1960.0, 959.4], [1822.5, 964.9], [2211.8, 903.3], [1547.2, 1017.1], [1993.6, 1224.9], [1689.4, 1267.1], [1615.1, 1004.5], [1843.1, 1249.6], [1406.2, 1045.9], [1406.2, 1045.9], [1690.9, 1001.0], [1332.6, 1045.9], [2022.5, 935.6], [1768.7, 1266.6], [2149.8, 906.3], [1618.3, 1290.5], [1476.9, 1027.6], [1921.8, 1235.9], [1257.7, 1067.9], [1755.4, 982.9], [1180.2, 1078.5], [2086.2, 922.7], [1104.6, 1092.5], [2067.4, 1211.1], [2067.4, 1211.1], [1540.4, 1315.0], [1540.4, 1315.0], [1540.4, 1315.0], [1833.2, 115.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.0, -5.9, 104.9], [-1.5, -6.3, 105.3], [-6.7, -6.1, 105.1], [8.2, -8.6, 107.6], [-16.8, -4.0, 103.0], [-0.2, 3.4, 95.6], [-10.5, 4.8, 94.2], [-14.4, -4.5, 103.5], [-5.4, 4.3, 94.7], [-21.8, -2.9, 101.9], [-21.8, -2.9, 101.9], [-11.5, -4.6, 103.6], [-24.5, -2.9, 101.9], [0.9, -7.3, 106.2], [-7.9, 4.8, 94.2], [5.8, -8.5, 107.5], [-12.9, 5.6, 93.4], [-19.3, -3.6, 102.6], [-2.7, 3.8, 95.2], [-27.0, -2.1, 101.1], [-9.2, -5.3, 104.3], [-29.7, -1.7, 100.7], [3.3, -7.8, 106.8], [-32.3, -1.2, 100.2], [2.3, 3.0, 96.0], [2.3, 3.0, 96.0], [-15.3, 6.3, 92.7], [-15.3, 6.3, 92.7], [-15.3, 6.3, 92.7], [-9.4, -56.6, 155.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [105.2, 105.5, 105.4, 108.2, 104.4, 95.6, 94.9, 104.6, 95.0, 104.2, 104.2, 104.4, 104.8, 106.5, 94.6, 108.0, 94.5, 104.5, 95.3, 104.7, 104.9, 105.0, 107.1, 105.3, 96.1, 96.1, 94.1, 94.1, 94.1, 165.8] \/nStep 5, find the maximum distance to the drone: 165.8 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":639
+    },
+    {
+        "image":"54b72ba2-DJI_0263.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":16.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1894.9, 968.6], [1960.0, 959.4], [1822.5, 964.9], [2211.8, 903.3], [1547.2, 1017.1], [1993.6, 1224.9], [1689.4, 1267.1], [1615.1, 1004.5], [1843.1, 1249.6], [1406.2, 1045.9], [1406.2, 1045.9], [1690.9, 1001.0], [1332.6, 1045.9], [2022.5, 935.6], [1768.7, 1266.6], [2149.8, 906.3], [1618.3, 1290.5], [1476.9, 1027.6], [1921.8, 1235.9], [1257.7, 1067.9], [1755.4, 982.9], [1180.2, 1078.5], [2086.2, 922.7], [1104.6, 1092.5], [2067.4, 1211.1], [2067.4, 1211.1], [1540.4, 1315.0], [1540.4, 1315.0], [1540.4, 1315.0], [1833.2, 115.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.0, -5.9, 104.9], [-1.5, -6.3, 105.3], [-6.7, -6.1, 105.1], [8.2, -8.6, 107.6], [-16.8, -4.0, 103.0], [-0.2, 3.4, 95.6], [-10.5, 4.8, 94.2], [-14.4, -4.5, 103.5], [-5.4, 4.3, 94.7], [-21.8, -2.9, 101.9], [-21.8, -2.9, 101.9], [-11.5, -4.6, 103.6], [-24.5, -2.9, 101.9], [0.9, -7.3, 106.2], [-7.9, 4.8, 94.2], [5.8, -8.5, 107.5], [-12.9, 5.6, 93.4], [-19.3, -3.6, 102.6], [-2.7, 3.8, 95.2], [-27.0, -2.1, 101.1], [-9.2, -5.3, 104.3], [-29.7, -1.7, 100.7], [3.3, -7.8, 106.8], [-32.3, -1.2, 100.2], [2.3, 3.0, 96.0], [2.3, 3.0, 96.0], [-15.3, 6.3, 92.7], [-15.3, 6.3, 92.7], [-15.3, 6.3, 92.7], [-9.4, -56.6, 155.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [105.2, 105.5, 105.4, 108.2, 104.4, 95.6, 94.9, 104.6, 95.0, 104.2, 104.2, 104.4, 104.8, 106.5, 94.6, 108.0, 94.5, 104.5, 95.3, 104.7, 104.9, 105.0, 107.1, 105.3, 96.1, 96.1, 94.1, 94.1, 94.1, 165.8] \/nStep 5, find the maximum distance to the drone: 165.8 \/nStep 6, calculate the flight time of the drone: 165.8\/10=16.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":640
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Phoebe said she bought a new gray car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'gray', 'gray', 'white', 'golden', 'white', 'white', 'white', 'silver', 'blue', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'black', 'black', 'brown', 'golden', 'brown', 'white', 'gray', 'black', 'black', 'black', 'brown'] \/nStep 2, there is an gray car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":641
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 70. B) 100. C) 110. D) 80.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":642
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":643
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 58284. B) 59284. C) 57284. D) 57784.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":644
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":4960000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen lavida', 'toyota corolla', 'rising marvel r', 'rising marvel r', 'volkswagen lavida', 'volvo s60', 'audi a3', 'skoda fabia', 'tesla model y', 'roewe 550', 'geely haoyue', 'volkswagen tiguan', 'buick excelle', 'byd qin plus', 'audi a4l', 'skoda kamiq', 'mini mini', 'kia forte', 'harvard h6', 'nissan x-trail', 'volkswagen sharan', 'volkswagen passat', 'porsche macan', 'lexus es', 'audi q3', 'hyundai tucson', 'hyundai tucson', 'hyundai tucson', 'skoda karoq'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000} \nStep 3, sum the price of each vehicle: 4960000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":645
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":410000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'gray', 'gray', 'white', 'golden', 'white', 'white', 'white', 'silver', 'blue', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'black', 'black', 'brown', 'golden', 'brown', 'white', 'gray', 'black', 'black', 'black', 'brown'] \nStep 2, identify the model of golden vehicles: ['volvo s60', 'buick excelle', 'volkswagen passat'] \nStep 3, query vehicle prices: {'volvo s60': 230000, 'buick excelle': 45000, 'volkswagen passat': 135000} \nStep 4, sum the price of each golden vehicle: 410000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":646
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":160000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen lavida', 'toyota corolla', 'rising marvel r', 'rising marvel r', 'volkswagen lavida', 'volvo s60', 'audi a3', 'skoda fabia', 'tesla model y', 'roewe 550', 'geely haoyue', 'volkswagen tiguan', 'buick excelle', 'byd qin plus', 'audi a4l', 'skoda kamiq', 'mini mini', 'kia forte', 'harvard h6', 'nissan x-trail', 'volkswagen sharan', 'volkswagen passat', 'porsche macan', 'lexus es', 'audi q3', 'hyundai tucson', 'hyundai tucson', 'hyundai tucson', 'skoda karoq'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000} \nStep 3, calculate the average price of all vehicles: 160000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":647
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.6, 4.7, 4.7, 4.7, 4.8, 4.3, 4.0, 4.8, 4.6, 4.8, 4.5, 4.6, 4.8, 4.9, 4.4, 3.9, 4.5, 4.7, 4.7, 4.9, 4.9, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.4] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":648
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.6, 4.7, 4.7, 4.7, 4.8, 4.3, 4.0, 4.8, 4.6, 4.8, 4.5, 4.6, 4.8, 4.9, 4.4, 3.9, 4.5, 4.7, 4.7, 4.9, 4.9, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.4] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":649
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.6, 4.7, 4.7, 4.7, 4.8, 4.3, 4.0, 4.8, 4.6, 4.8, 4.5, 4.6, 4.8, 4.9, 4.4, 3.9, 4.5, 4.7, 4.7, 4.9, 4.9, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.4] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":650
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'gray', 'gray', 'white', 'golden', 'white', 'white', 'white', 'silver', 'blue', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'black', 'black', 'brown', 'golden', 'brown', 'white', 'gray', 'black', 'black', 'black', 'brown'] \/nStep 2, count vehicles for each color: {'white': 11, 'gray': 6, 'golden': 3, 'silver': 1, 'blue': 2, 'black': 5, 'brown': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":651
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'subcompact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'suv', 'micro-size', 'compact', 'suv', 'suv', 'mpv', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv'] \nStep 2, identify the color of mid-size vehicles: ['white', 'white', 'golden', 'white', 'gray', 'golden', 'white'] \nStep 3, count mid-size vehicles for each color: {'white': 4, 'golden': 2, 'gray': 1} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":652
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 32 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 31 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 32-31=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":653
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":13,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'subcompact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'suv', 'micro-size', 'compact', 'suv', 'suv', 'mpv', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv'] \/nStep 2, count all suv vehicles: 13",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":654
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen lavida', 'toyota corolla', 'rising marvel r', 'rising marvel r', 'volkswagen lavida', 'volvo s60', 'audi a3', 'skoda fabia', 'tesla model y', 'roewe 550', 'geely haoyue', 'volkswagen tiguan', 'buick excelle', 'byd qin plus', 'audi a4l', 'skoda kamiq', 'mini mini', 'kia forte', 'harvard h6', 'nissan x-trail', 'volkswagen sharan', 'volkswagen passat', 'porsche macan', 'lexus es', 'audi q3', 'hyundai tucson', 'hyundai tucson', 'hyundai tucson', 'skoda karoq'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000} \nStep 3, count vehicles priced above 100000 RMB: 20",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":655
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many gray suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'gray', 'gray', 'white', 'golden', 'white', 'white', 'white', 'silver', 'blue', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'black', 'black', 'brown', 'golden', 'brown', 'white', 'gray', 'black', 'black', 'black', 'brown'] \nStep 2, identify the type of gray vehicles: ['suv', 'suv', 'compact', 'mid-size', 'compact', 'suv'] \nStep 3, count gray suv vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":656
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"audi",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2231.2, 1374.0], [2805.9, 1777.9], [2648.0, 1562.2], [2210.5, 1336.9], [2354.4, 1568.5], [2354.4, 1568.5], [2519.3, 1362.1], [2250.2, 1412.4], [2402.9, 1659.8], [2380.0, 1615.1], [2498.5, 1326.2], [2318.0, 1484.9], [2630.4, 1512.9], [2544.5, 1398.6], [2469.0, 1290.7], [2670.4, 1603.5], [2573.0, 1441.2], [2742.6, 1685.1], [2775.6, 1732.3], [2713.9, 1641.7], [2281.4, 1449.8], [2601.0, 1474.5], [2452.4, 1254.5], [2402.2, 1189.5], [2422.4, 1223.3], [2167.0, 1264.7], [2377.3, 1156.7], [2325.2, 1529.0], [2325.2, 1529.0], [2325.2, 1529.0], [2185.1, 1301.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.9, 12.8, 142.8], [36.6, 29.6, 125.9], [31.4, 21.2, 134.4], [11.0, 11.0, 144.5], [17.1, 21.4, 134.1], [17.1, 21.4, 134.1], [26.8, 12.2, 143.3], [12.7, 14.6, 141.0], [18.9, 25.1, 130.4], [18.1, 23.4, 132.2], [26.1, 10.5, 145.0], [15.8, 17.9, 137.7], [31.0, 19.1, 136.5], [27.8, 14.0, 141.6], [24.8, 8.8, 146.8], [32.1, 22.9, 132.7], [28.8, 15.9, 139.6], [34.6, 26.1, 129.4], [35.7, 27.9, 127.6], [33.7, 24.4, 131.1], [14.1, 16.3, 139.3], [29.9, 17.4, 138.2], [24.2, 6.9, 148.6], [22.0, 3.5, 152.0], [22.9, 5.3, 150.2], [8.9, 7.5, 148.1], [20.9, 1.8, 153.8], [15.9, 19.8, 135.8], [15.9, 19.8, 135.8], [15.9, 19.8, 135.8], [9.8, 9.3, 146.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [143.8, 134.4, 139.6, 145.4, 136.9, 136.9, 146.3, 142.3, 134.2, 135.5, 147.7, 139.7, 141.3, 145.0, 149.1, 138.4, 143.5, 136.5, 135.4, 137.6, 140.9, 142.4, 150.7, 153.7, 152.1, 148.6, 155.2, 138.1, 138.1, 138.1, 146.9] \/nStep 5, find the maximum distance to the drone: 155.2 \/nStep 6, identify the brand of this vehicle: audi",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":657
+    },
+    {
+        "image":"ca13b97d-DJI_0267.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":15.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2231.2, 1374.0], [2805.9, 1777.9], [2648.0, 1562.2], [2210.5, 1336.9], [2354.4, 1568.5], [2354.4, 1568.5], [2519.3, 1362.1], [2250.2, 1412.4], [2402.9, 1659.8], [2380.0, 1615.1], [2498.5, 1326.2], [2318.0, 1484.9], [2630.4, 1512.9], [2544.5, 1398.6], [2469.0, 1290.7], [2670.4, 1603.5], [2573.0, 1441.2], [2742.6, 1685.1], [2775.6, 1732.3], [2713.9, 1641.7], [2281.4, 1449.8], [2601.0, 1474.5], [2452.4, 1254.5], [2402.2, 1189.5], [2422.4, 1223.3], [2167.0, 1264.7], [2377.3, 1156.7], [2325.2, 1529.0], [2325.2, 1529.0], [2325.2, 1529.0], [2185.1, 1301.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.9, 12.8, 142.8], [36.6, 29.6, 125.9], [31.4, 21.2, 134.4], [11.0, 11.0, 144.5], [17.1, 21.4, 134.1], [17.1, 21.4, 134.1], [26.8, 12.2, 143.3], [12.7, 14.6, 141.0], [18.9, 25.1, 130.4], [18.1, 23.4, 132.2], [26.1, 10.5, 145.0], [15.8, 17.9, 137.7], [31.0, 19.1, 136.5], [27.8, 14.0, 141.6], [24.8, 8.8, 146.8], [32.1, 22.9, 132.7], [28.8, 15.9, 139.6], [34.6, 26.1, 129.4], [35.7, 27.9, 127.6], [33.7, 24.4, 131.1], [14.1, 16.3, 139.3], [29.9, 17.4, 138.2], [24.2, 6.9, 148.6], [22.0, 3.5, 152.0], [22.9, 5.3, 150.2], [8.9, 7.5, 148.1], [20.9, 1.8, 153.8], [15.9, 19.8, 135.8], [15.9, 19.8, 135.8], [15.9, 19.8, 135.8], [9.8, 9.3, 146.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [143.8, 134.4, 139.6, 145.4, 136.9, 136.9, 146.3, 142.3, 134.2, 135.5, 147.7, 139.7, 141.3, 145.0, 149.1, 138.4, 143.5, 136.5, 135.4, 137.6, 140.9, 142.4, 150.7, 153.7, 152.1, 148.6, 155.2, 138.1, 138.1, 138.1, 146.9] \/nStep 5, find the maximum distance to the drone: 155.2 \/nStep 6, calculate the flight time of the drone: 155.2\/10=15.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":31,
+        "region":"image-level",
+        "qid":658
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new blue car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'orange', 'red', 'blue', 'white', 'black', 'gray', 'black', 'white', 'silver', 'white', 'white', 'white', 'golden', 'silver', 'black', 'black', 'gray', 'white', 'blue', 'silver', 'brown', 'red'] \/nStep 2, there is an blue car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":659
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":660
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"A) 80. B) 30. C) 70. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":661
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7477,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":662
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":5305000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe e550', 'bmw 5 series', 'byd qin', 'toyota levin', 'leap c11', 'nio ec6', 'ford explorer', 'roewe rx5', 'aito m5', 'bmw 3 series', 'lexus rx', 'roewe i5', 'mg 5', 'buick gl8', 'lexus es', 'toyota camry', 'audi a6l', 'volkswagen magotan', 'byd dolphin', 'beijing x3', 'tesla model 3', 'volvo xc60', 'volkswagen tiguan', 'mini mini'] \nStep 2, query all vehicle prices: {'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000} \nStep 3, sum the price of each vehicle: 5305000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":663
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":221041,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe e550', 'bmw 5 series', 'byd qin', 'toyota levin', 'leap c11', 'nio ec6', 'ford explorer', 'roewe rx5', 'aito m5', 'bmw 3 series', 'lexus rx', 'roewe i5', 'mg 5', 'buick gl8', 'lexus es', 'toyota camry', 'audi a6l', 'volkswagen magotan', 'byd dolphin', 'beijing x3', 'tesla model 3', 'volvo xc60', 'volkswagen tiguan', 'mini mini'] \nStep 2, query all vehicle prices: {'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000} \nStep 3, calculate the average price of all vehicles: 221041",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":664
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"A) 480000. B) 221041. C) 227500. D) 20000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe e550', 'bmw 5 series', 'byd qin', 'toyota levin', 'leap c11', 'nio ec6', 'ford explorer', 'roewe rx5', 'aito m5', 'bmw 3 series', 'lexus rx', 'roewe i5', 'mg 5', 'buick gl8', 'lexus es', 'toyota camry', 'audi a6l', 'volkswagen magotan', 'byd dolphin', 'beijing x3', 'tesla model 3', 'volvo xc60', 'volkswagen tiguan', 'mini mini'] \nStep 2, query all vehicle prices: {'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000} \nStep 3, calculate the median price of all vehicles: 227500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":665
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.2, 4.7, 4.6, 4.8, 4.8, 5.1, 4.6, 4.8, 4.7, 4.9, 4.7, 4.7, 5.2, 5.0, 4.9, 5.0, 5.0, 4.1, 4.3, 4.7, 4.7, 4.5, 3.9] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":666
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.2, 4.7, 4.6, 4.8, 4.8, 5.1, 4.6, 4.8, 4.7, 4.9, 4.7, 4.7, 5.2, 5.0, 4.9, 5.0, 5.0, 4.1, 4.3, 4.7, 4.7, 4.5, 3.9] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":667
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'full-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'compact', 'mpv', 'mid-size', 'mid-size', 'full-size', 'mid-size', 'subcompact', 'suv', 'mid-size', 'suv', 'suv', 'micro-size'] \nStep 2, identify the color of mpv vehicles: ['white'] \nStep 3, count mpv vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of mpv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":668
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 29 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 24 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 29-24=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":669
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'orange', 'red', 'blue', 'white', 'black', 'gray', 'black', 'white', 'silver', 'white', 'white', 'white', 'golden', 'silver', 'black', 'black', 'gray', 'white', 'blue', 'silver', 'brown', 'red'] \/nStep 2, count all black vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":670
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":17,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe e550', 'bmw 5 series', 'byd qin', 'toyota levin', 'leap c11', 'nio ec6', 'ford explorer', 'roewe rx5', 'aito m5', 'bmw 3 series', 'lexus rx', 'roewe i5', 'mg 5', 'buick gl8', 'lexus es', 'toyota camry', 'audi a6l', 'volkswagen magotan', 'byd dolphin', 'beijing x3', 'tesla model 3', 'volvo xc60', 'volkswagen tiguan', 'mini mini'] \nStep 2, query all vehicle prices: {'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'lexus rx': 480000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000} \nStep 3, count vehicles priced below 300000 RMB: 17",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":671
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many blue subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 0. C) 2. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'orange', 'red', 'blue', 'white', 'black', 'gray', 'black', 'white', 'silver', 'white', 'white', 'white', 'golden', 'silver', 'black', 'black', 'gray', 'white', 'blue', 'silver', 'brown', 'red'] \nStep 2, identify the type of blue vehicles: ['suv', 'mid-size'] \nStep 3, count blue subcompact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":672
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2780.8, 579.2], [2786.1, 461.5], [2042.7, 1418.2], [2132.7, 1236.5], [2014.3, 1631.3], [2751.9, 671.2], [2652.3, 1492.0], [2007.6, 2026.7], [2030.2, 1530.2], [2724.6, 844.6], [1969.3, 2206.5], [2119.2, 1118.6], [2019.2, 1727.2], [2586.6, 1022.4], [2588.6, 1306.5], [2494.1, 2133.8], [2525.7, 1865.2], [2723.2, 945.8], [2743.9, 764.9], [2640.9, 1798.3], [2558.6, 1592.8], [2621.0, 2068.6], [2694.5, 1227.2], [1996.9, 1907.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[22.5, -15.7, 80.0], [22.7, -19.1, 80.0], [1.2, 8.5, 80.0], [3.8, 3.2, 80.0], [0.4, 14.6, 80.0], [21.7, -13.1, 80.0], [18.8, 10.6, 80.0], [0.2, 26.0, 80.0], [0.9, 11.7, 80.0], [20.9, -8.1, 80.0], [-0.9, 31.2, 80.0], [3.4, -0.2, 80.0], [0.6, 17.4, 80.0], [16.9, -3.0, 80.0], [17.0, 5.2, 80.0], [14.2, 29.1, 80.0], [15.2, 21.3, 80.0], [20.9, -5.2, 80.0], [21.4, -10.4, 80.0], [18.5, 19.4, 80.0], [16.1, 13.5, 80.0], [17.9, 27.2, 80.0], [20.0, 2.9, 80.0], [-0.1, 22.6, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [84.6, 85.3, 80.5, 80.2, 81.3, 83.9, 82.9, 84.1, 80.9, 83.1, 85.9, 80.1, 81.9, 81.8, 81.9, 86.3, 84.2, 82.8, 83.5, 84.4, 82.7, 86.4, 82.5, 83.1] \/nStep 5, find the maximum distance to the drone: 86.4 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":673
+    },
+    {
+        "image":"6ada3bd5-DJI_0276.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2780.8, 579.2], [2786.1, 461.5], [2042.7, 1418.2], [2132.7, 1236.5], [2014.3, 1631.3], [2751.9, 671.2], [2652.3, 1492.0], [2007.6, 2026.7], [2030.2, 1530.2], [2724.6, 844.6], [1969.3, 2206.5], [2119.2, 1118.6], [2019.2, 1727.2], [2586.6, 1022.4], [2588.6, 1306.5], [2494.1, 2133.8], [2525.7, 1865.2], [2723.2, 945.8], [2743.9, 764.9], [2640.9, 1798.3], [2558.6, 1592.8], [2621.0, 2068.6], [2694.5, 1227.2], [1996.9, 1907.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[22.5, -15.7, 80.0], [22.7, -19.1, 80.0], [1.2, 8.5, 80.0], [3.8, 3.2, 80.0], [0.4, 14.6, 80.0], [21.7, -13.1, 80.0], [18.8, 10.6, 80.0], [0.2, 26.0, 80.0], [0.9, 11.7, 80.0], [20.9, -8.1, 80.0], [-0.9, 31.2, 80.0], [3.4, -0.2, 80.0], [0.6, 17.4, 80.0], [16.9, -3.0, 80.0], [17.0, 5.2, 80.0], [14.2, 29.1, 80.0], [15.2, 21.3, 80.0], [20.9, -5.2, 80.0], [21.4, -10.4, 80.0], [18.5, 19.4, 80.0], [16.1, 13.5, 80.0], [17.9, 27.2, 80.0], [20.0, 2.9, 80.0], [-0.1, 22.6, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [84.6, 85.3, 80.5, 80.2, 81.3, 83.9, 82.9, 84.1, 80.9, 83.1, 85.9, 80.1, 81.9, 81.8, 81.9, 86.3, 84.2, 82.8, 83.5, 84.4, 82.7, 86.4, 82.5, 83.1] \/nStep 5, find the maximum distance to the drone: 86.4 \/nStep 6, calculate the flight time of the drone: 86.4\/16=5.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":674
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Rachel said she bought a new black car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'silver', 'black', 'gray', 'black', 'black', 'silver', 'gray', 'white', 'silver', 'white', 'white', 'white', 'black', 'red', 'white', 'white', 'white', 'blue', 'black', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'blue', 'red', 'gray', 'white', 'white', 'silver', 'silver', 'golden', 'black', 'blue', 'white', 'white', 'white', 'white', 'gray', 'silver', 'red', 'black', 'blue', 'golden', 'white'] \/nStep 2, there is an black car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":675
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":676
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":677
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7477,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":678
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"A) 471. B) 9425000. C) 314. D) 1885.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe rx5', 'tesla model y', 'mercedes-benz c-class', 'lexus rx', 'mercedes-benz glb', 'byd song plus', 'tesla model y', 'mercedes-benz c-class', 'byd yuan plus', 'byd qin plus', 'jeep cherokee', 'byd yuan plus', 'tesla model y', 'volvo s60', 'bmw 3 series', 'volkswagen golf', 'geely vision x3', 'roewe i5', 'volkswagen sagitar', 'byd seal', 'volvo v40', 'audi a6l', 'roewe erx5', 'geely preface', 'byd tang', 'smart #1', 'volkswagen tiguan', 'volkswagen golf', 'roewe i5', 'byd dolphin', 'mini mini', 'byd song', 'beijing x3', 'bmw 5 series', 'volvo xc60', 'toyota camry', 'peugeot 3008', 'audi a6l', 'ora good cat', 'roewe 550', 'toyota corolla', 'volkswagen golf', 'cadillac xt4', 'tesla model 3', 'roewe ei5', 'buick envision', 'byd han', 'bmw x4', 'volvo s60', 'mg 5'] \nStep 2, query all vehicle prices: {'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000} \nStep 3, sum the price of each vehicle: 9425000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":679
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"",
+        "answer":270000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'silver', 'black', 'gray', 'black', 'black', 'silver', 'gray', 'white', 'silver', 'white', 'white', 'white', 'black', 'red', 'white', 'white', 'white', 'blue', 'black', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'blue', 'red', 'gray', 'white', 'white', 'silver', 'silver', 'golden', 'black', 'blue', 'white', 'white', 'white', 'white', 'gray', 'silver', 'red', 'black', 'blue', 'golden', 'white'] \nStep 2, identify the model of golden vehicles: ['peugeot 3008', 'volvo s60'] \nStep 3, query vehicle prices: {'peugeot 3008': 40000, 'volvo s60': 230000} \nStep 4, sum the price of each golden vehicle: 270000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":680
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4.7. B) 231.5. C) 4. D) 4.6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.9, 4.9, 4.6, 4.8, 4.8, 4.9, 4.5, 4.8, 4.6, 4.5, 4.8, 4.8, 4.7, 4.3, 4.0, 4.7, 4.8, 4.8, 4.4, 5.0, 4.7, 4.8, 4.9, 4.3, 4.5, 4.3, 4.7, 4.1, 3.9, 4.6, 4.3, 5.2, 4.7, 4.9, 4.4, 5.0, 4.2, 4.6, 4.6, 4.3, 4.6, 4.7, 4.6, 4.6, 5.0, 4.8, 4.8, 4.7] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":681
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.9, 4.9, 4.6, 4.8, 4.8, 4.9, 4.5, 4.8, 4.6, 4.5, 4.8, 4.8, 4.7, 4.3, 4.0, 4.7, 4.8, 4.8, 4.4, 5.0, 4.7, 4.8, 4.9, 4.3, 4.5, 4.3, 4.7, 4.1, 3.9, 4.6, 4.3, 5.2, 4.7, 4.9, 4.4, 5.0, 4.2, 4.6, 4.6, 4.3, 4.6, 4.7, 4.6, 4.6, 5.0, 4.8, 4.8, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":682
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"",
+        "answer":480000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe rx5', 'tesla model y', 'mercedes-benz c-class', 'lexus rx', 'mercedes-benz glb', 'byd song plus', 'tesla model y', 'mercedes-benz c-class', 'byd yuan plus', 'byd qin plus', 'jeep cherokee', 'byd yuan plus', 'tesla model y', 'volvo s60', 'bmw 3 series', 'volkswagen golf', 'geely vision x3', 'roewe i5', 'volkswagen sagitar', 'byd seal', 'volvo v40', 'audi a6l', 'roewe erx5', 'geely preface', 'byd tang', 'smart #1', 'volkswagen tiguan', 'volkswagen golf', 'roewe i5', 'byd dolphin', 'mini mini', 'byd song', 'beijing x3', 'bmw 5 series', 'volvo xc60', 'toyota camry', 'peugeot 3008', 'audi a6l', 'ora good cat', 'roewe 550', 'toyota corolla', 'volkswagen golf', 'cadillac xt4', 'tesla model 3', 'roewe ei5', 'buick envision', 'byd han', 'bmw x4', 'volvo s60', 'mg 5'] \nStep 2, query all vehicle prices: {'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000} \nStep 3, calculate the maximum price of all vehicles: 480000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":683
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.9, 4.9, 4.6, 4.8, 4.8, 4.9, 4.5, 4.8, 4.6, 4.5, 4.8, 4.8, 4.7, 4.3, 4.0, 4.7, 4.8, 4.8, 4.4, 5.0, 4.7, 4.8, 4.9, 4.3, 4.5, 4.3, 4.7, 4.1, 3.9, 4.6, 4.3, 5.2, 4.7, 4.9, 4.4, 5.0, 4.2, 4.6, 4.6, 4.3, 4.6, 4.7, 4.6, 4.6, 5.0, 4.8, 4.8, 4.7] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":684
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) purple. B) brown. C) white. D) yellow.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'silver', 'black', 'gray', 'black', 'black', 'silver', 'gray', 'white', 'silver', 'white', 'white', 'white', 'black', 'red', 'white', 'white', 'white', 'blue', 'black', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'blue', 'red', 'gray', 'white', 'white', 'silver', 'silver', 'golden', 'black', 'blue', 'white', 'white', 'white', 'white', 'gray', 'silver', 'red', 'black', 'blue', 'golden', 'white'] \/nStep 2, count vehicles for each color: {'gray': 7, 'black': 8, 'white': 19, 'silver': 6, 'red': 3, 'blue': 5, 'golden': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":685
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'compact', 'suv', 'compact', 'compact', 'sedan', 'compact', 'full-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'compact', 'compact', 'subcompact', 'micro-size', 'suv', 'suv', 'full-size', 'suv', 'mid-size', 'suv', 'full-size', 'subcompact', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'mid-size', 'compact'] \nStep 2, identify the color of compact vehicles: ['gray', 'black', 'white', 'white', 'blue', 'blue', 'white', 'white', 'white', 'white', 'white', 'silver', 'white'] \nStep 3, count compact vehicles for each color: {'gray': 1, 'black': 1, 'white': 8, 'blue': 2, 'silver': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":686
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 43 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 7. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 50 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 50-43=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":687
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many golden vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 3. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'silver', 'black', 'gray', 'black', 'black', 'silver', 'gray', 'white', 'silver', 'white', 'white', 'white', 'black', 'red', 'white', 'white', 'white', 'blue', 'black', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'blue', 'red', 'gray', 'white', 'white', 'silver', 'silver', 'golden', 'black', 'blue', 'white', 'white', 'white', 'white', 'gray', 'silver', 'red', 'black', 'blue', 'golden', 'white'] \/nStep 2, count all golden vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":688
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"A) 40. B) 39. C) 37. D) 38.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe rx5', 'tesla model y', 'mercedes-benz c-class', 'lexus rx', 'mercedes-benz glb', 'byd song plus', 'tesla model y', 'mercedes-benz c-class', 'byd yuan plus', 'byd qin plus', 'jeep cherokee', 'byd yuan plus', 'tesla model y', 'volvo s60', 'bmw 3 series', 'volkswagen golf', 'geely vision x3', 'roewe i5', 'volkswagen sagitar', 'byd seal', 'volvo v40', 'audi a6l', 'roewe erx5', 'geely preface', 'byd tang', 'smart #1', 'volkswagen tiguan', 'volkswagen golf', 'roewe i5', 'byd dolphin', 'mini mini', 'byd song', 'beijing x3', 'bmw 5 series', 'volvo xc60', 'toyota camry', 'peugeot 3008', 'audi a6l', 'ora good cat', 'roewe 550', 'toyota corolla', 'volkswagen golf', 'cadillac xt4', 'tesla model 3', 'roewe ei5', 'buick envision', 'byd han', 'bmw x4', 'volvo s60', 'mg 5'] \nStep 2, query all vehicle prices: {'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000} \nStep 3, count vehicles priced above 100000 RMB: 37",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":689
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many golden micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 0. D) -1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'silver', 'black', 'gray', 'black', 'black', 'silver', 'gray', 'white', 'silver', 'white', 'white', 'white', 'black', 'red', 'white', 'white', 'white', 'blue', 'black', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'blue', 'red', 'gray', 'white', 'white', 'silver', 'silver', 'golden', 'black', 'blue', 'white', 'white', 'white', 'white', 'gray', 'silver', 'red', 'black', 'blue', 'golden', 'white'] \nStep 2, identify the type of golden vehicles: ['suv', 'mid-size'] \nStep 3, count golden micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":690
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"i5",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1905.1, 338.8], [2417.6, 1590.4], [1816.9, 1459.5], [1868.9, 527.1], [2446.1, 1328.5], [2416.9, 1498.5], [2406.5, 1672.7], [1869.3, 756.6], [2431.6, 1414.1], [3262.6, 1390.2], [1845.6, 1351.4], [3354.2, 1371.7], [2416.1, 954.6], [3689.8, 1265.7], [3605.4, 1294.0], [1827.2, 646.7], [2460.7, 1239.3], [1893.2, 1251.5], [2412.7, 1777.8], [3180.3, 1424.3], [1883.8, 850.9], [3519.1, 1319.4], [3094.0, 1451.3], [3438.1, 1342.7], [3765.2, 697.9], [2480.1, 673.1], [2361.4, 762.8], [1785.6, 1559.1], [2312.7, 1037.6], [3008.3, 1469.1], [1886.4, 216.3], [3772.9, 1233.2], [2551.2, 76.4], [2872.6, 1518.0], [2534.3, 363.5], [2407.1, 440.0], [3862.2, 1213.8], [2438.0, 153.8], [2877.2, 1122.4], [2975.4, 1061.5], [3713.6, 813.7], [1926.6, 937.8], [3254.1, 980.5], [3067.1, 1048.0], [3156.2, 1010.2], [3335.5, 949.1], [3438.0, 922.2], [3529.8, 887.1], [3624.2, 849.3], [1912.1, 38.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.7, -22.7, 80.0], [12.0, 13.4, 80.0], [-5.3, 9.6, 80.0], [-3.8, -17.2, 80.0], [12.9, 5.9, 80.0], [12.0, 10.8, 80.0], [11.7, 15.8, 80.0], [-3.8, -10.6, 80.0], [12.4, 8.3, 80.0], [36.4, 7.6, 80.0], [-4.5, 6.5, 80.0], [39.0, 7.1, 80.0], [12.0, -4.9, 80.0], [48.7, 4.1, 80.0], [46.3, 4.9, 80.0], [-5.0, -13.8, 80.0], [13.3, 3.3, 80.0], [-3.1, 3.6, 80.0], [11.9, 18.8, 80.0], [34.0, 8.6, 80.0], [-3.4, -7.9, 80.0], [43.8, 5.6, 80.0], [31.5, 9.4, 80.0], [41.5, 6.3, 80.0], [50.9, -12.3, 80.0], [13.8, -13.0, 80.0], [10.4, -10.4, 80.0], [-6.2, 12.5, 80.0], [9.0, -2.5, 80.0], [29.1, 9.9, 80.0], [-3.3, -26.2, 80.0], [51.1, 3.1, 80.0], [15.9, -30.2, 80.0], [25.2, 11.3, 80.0], [15.4, -22.0, 80.0], [11.7, -19.8, 80.0], [53.7, 2.6, 80.0], [12.6, -28.0, 80.0], [25.3, -0.1, 80.0], [28.1, -1.8, 80.0], [49.4, -9.0, 80.0], [-2.1, -5.4, 80.0], [36.2, -4.2, 80.0], [30.8, -2.2, 80.0], [33.3, -3.3, 80.0], [38.5, -5.1, 80.0], [41.5, -5.8, 80.0], [44.1, -6.9, 80.0], [46.8, -7.9, 80.0], [-2.5, -31.3, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.2, 82.0, 80.8, 81.9, 81.2, 81.6, 82.4, 80.8, 81.4, 88.2, 80.4, 89.3, 81.0, 93.8, 92.6, 81.3, 81.2, 80.1, 83.0, 87.4, 80.5, 91.4, 86.5, 90.3, 95.6, 82.2, 81.3, 81.2, 80.5, 85.7, 84.2, 95.0, 87.0, 84.6, 84.4, 83.2, 96.4, 85.7, 83.9, 84.8, 94.5, 80.2, 87.9, 85.7, 86.7, 88.9, 90.3, 91.6, 93.0, 86.0] \/nStep 5, find the minimum distance to the drone: 80.1 \/nStep 6, identify the model of this vehicle: i5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":691
+    },
+    {
+        "image":"4e32da5c-DJI_0278.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":6.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1905.1, 338.8], [2417.6, 1590.4], [1816.9, 1459.5], [1868.9, 527.1], [2446.1, 1328.5], [2416.9, 1498.5], [2406.5, 1672.7], [1869.3, 756.6], [2431.6, 1414.1], [3262.6, 1390.2], [1845.6, 1351.4], [3354.2, 1371.7], [2416.1, 954.6], [3689.8, 1265.7], [3605.4, 1294.0], [1827.2, 646.7], [2460.7, 1239.3], [1893.2, 1251.5], [2412.7, 1777.8], [3180.3, 1424.3], [1883.8, 850.9], [3519.1, 1319.4], [3094.0, 1451.3], [3438.1, 1342.7], [3765.2, 697.9], [2480.1, 673.1], [2361.4, 762.8], [1785.6, 1559.1], [2312.7, 1037.6], [3008.3, 1469.1], [1886.4, 216.3], [3772.9, 1233.2], [2551.2, 76.4], [2872.6, 1518.0], [2534.3, 363.5], [2407.1, 440.0], [3862.2, 1213.8], [2438.0, 153.8], [2877.2, 1122.4], [2975.4, 1061.5], [3713.6, 813.7], [1926.6, 937.8], [3254.1, 980.5], [3067.1, 1048.0], [3156.2, 1010.2], [3335.5, 949.1], [3438.0, 922.2], [3529.8, 887.1], [3624.2, 849.3], [1912.1, 38.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.7, -22.7, 80.0], [12.0, 13.4, 80.0], [-5.3, 9.6, 80.0], [-3.8, -17.2, 80.0], [12.9, 5.9, 80.0], [12.0, 10.8, 80.0], [11.7, 15.8, 80.0], [-3.8, -10.6, 80.0], [12.4, 8.3, 80.0], [36.4, 7.6, 80.0], [-4.5, 6.5, 80.0], [39.0, 7.1, 80.0], [12.0, -4.9, 80.0], [48.7, 4.1, 80.0], [46.3, 4.9, 80.0], [-5.0, -13.8, 80.0], [13.3, 3.3, 80.0], [-3.1, 3.6, 80.0], [11.9, 18.8, 80.0], [34.0, 8.6, 80.0], [-3.4, -7.9, 80.0], [43.8, 5.6, 80.0], [31.5, 9.4, 80.0], [41.5, 6.3, 80.0], [50.9, -12.3, 80.0], [13.8, -13.0, 80.0], [10.4, -10.4, 80.0], [-6.2, 12.5, 80.0], [9.0, -2.5, 80.0], [29.1, 9.9, 80.0], [-3.3, -26.2, 80.0], [51.1, 3.1, 80.0], [15.9, -30.2, 80.0], [25.2, 11.3, 80.0], [15.4, -22.0, 80.0], [11.7, -19.8, 80.0], [53.7, 2.6, 80.0], [12.6, -28.0, 80.0], [25.3, -0.1, 80.0], [28.1, -1.8, 80.0], [49.4, -9.0, 80.0], [-2.1, -5.4, 80.0], [36.2, -4.2, 80.0], [30.8, -2.2, 80.0], [33.3, -3.3, 80.0], [38.5, -5.1, 80.0], [41.5, -5.8, 80.0], [44.1, -6.9, 80.0], [46.8, -7.9, 80.0], [-2.5, -31.3, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.2, 82.0, 80.8, 81.9, 81.2, 81.6, 82.4, 80.8, 81.4, 88.2, 80.4, 89.3, 81.0, 93.8, 92.6, 81.3, 81.2, 80.1, 83.0, 87.4, 80.5, 91.4, 86.5, 90.3, 95.6, 82.2, 81.3, 81.2, 80.5, 85.7, 84.2, 95.0, 87.0, 84.6, 84.4, 83.2, 96.4, 85.7, 83.9, 84.8, 94.5, 80.2, 87.9, 85.7, 86.7, 88.9, 90.3, 91.6, 93.0, 86.0] \/nStep 5, find the minimum distance to the drone: 80.1 \/nStep 6, calculate the flight time of the drone: 80.1\/12=6.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":50,
+        "region":"image-level",
+        "qid":692
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'black', 'black', 'white', 'silver', 'gray', 'gray', 'gray', 'white', 'white', 'white', 'red', 'gray', 'white', 'black', 'white', 'gray', 'silver', 'white', 'blue', 'blue', 'silver', 'black', 'gray', 'white', 'white', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'golden', 'silver', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'red', 'blue', 'white', 'silver', 'white', 'red', 'golden', 'blue', 'blue', 'black', 'red', 'gray'] \/nStep 2, there is an gray car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":693
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":694
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"A) 45. B) 90. C) 70. D) 30.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":695
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7477,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":696
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":10285000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'mercedes-benz glb', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'byd yuan plus', 'byd song plus', 'roewe rx5', 'byd tang', 'jeep cherokee', 'mercedes-benz c-class', 'byd seal', 'geely vision x3', 'byd qin plus', 'tesla model y', 'audi a6l', 'bmw 3 series', 'roewe erx5', 'byd yuan plus', 'volvo s60', 'geely preface', 'volvo v40', 'lexus rx', 'volkswagen golf', 'skoda octavia', 'volkswagen golf', 'smart #1', 'volvo xc60', 'byd song', 'byd dolphin', 'bmw 5 series', 'roewe i5', 'volkswagen sagitar', 'volkswagen tiguan', 'peugeot 3008', 'toyota camry', 'toyota corolla', 'mg 5', 'beijing x3', 'cadillac xt4', 'audi a6l', 'byd tang', 'roewe 550', 'mini mini', 'ora good cat', 'volkswagen golf', 'roewe ei5', 'mg 5', 'toyota highlander', 'volvo s60', 'leap c11', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, sum the price of each vehicle: 10285000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":697
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are golden vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":270000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'black', 'black', 'white', 'silver', 'gray', 'gray', 'gray', 'white', 'white', 'white', 'red', 'gray', 'white', 'black', 'white', 'gray', 'silver', 'white', 'blue', 'blue', 'silver', 'black', 'gray', 'white', 'white', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'golden', 'silver', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'red', 'blue', 'white', 'silver', 'white', 'red', 'golden', 'blue', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the model of golden vehicles: ['peugeot 3008', 'volvo s60'] \nStep 3, query vehicle prices: {'peugeot 3008': 40000, 'volvo s60': 230000} \nStep 4, sum the price of each golden vehicle: 270000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":698
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.8, 4.9, 4.7, 4.5, 4.8, 4.6, 4.9, 4.6, 4.9, 4.8, 4.0, 4.8, 4.8, 5.0, 4.7, 4.7, 4.5, 4.8, 4.8, 4.4, 4.9, 4.3, 4.8, 4.3, 4.3, 4.7, 4.6, 4.1, 5.2, 4.7, 4.8, 4.5, 4.4, 4.9, 4.6, 4.7, 4.3, 4.6, 5.0, 4.9, 4.6, 3.9, 4.2, 4.3, 4.6, 4.7, 5.0, 4.8, 4.8, 4.8, 5.0, 4.6, 4.7] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":699
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.8, 4.9, 4.7, 4.5, 4.8, 4.6, 4.9, 4.6, 4.9, 4.8, 4.0, 4.8, 4.8, 5.0, 4.7, 4.7, 4.5, 4.8, 4.8, 4.4, 4.9, 4.3, 4.8, 4.3, 4.3, 4.7, 4.6, 4.1, 5.2, 4.7, 4.8, 4.5, 4.4, 4.9, 4.6, 4.7, 4.3, 4.6, 5.0, 4.9, 4.6, 3.9, 4.2, 4.3, 4.6, 4.7, 5.0, 4.8, 4.8, 4.8, 5.0, 4.6, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":700
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.2. B) 255.6. C) 4. D) 4.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.8, 4.9, 4.7, 4.5, 4.8, 4.6, 4.9, 4.6, 4.9, 4.8, 4.0, 4.8, 4.8, 5.0, 4.7, 4.7, 4.5, 4.8, 4.8, 4.4, 4.9, 4.3, 4.8, 4.3, 4.3, 4.7, 4.6, 4.1, 5.2, 4.7, 4.8, 4.5, 4.4, 4.9, 4.6, 4.7, 4.3, 4.6, 5.0, 4.9, 4.6, 3.9, 4.2, 4.3, 4.6, 4.7, 5.0, 4.8, 4.8, 4.8, 5.0, 4.6, 4.7] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":701
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'mercedes-benz glb', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'byd yuan plus', 'byd song plus', 'roewe rx5', 'byd tang', 'jeep cherokee', 'mercedes-benz c-class', 'byd seal', 'geely vision x3', 'byd qin plus', 'tesla model y', 'audi a6l', 'bmw 3 series', 'roewe erx5', 'byd yuan plus', 'volvo s60', 'geely preface', 'volvo v40', 'lexus rx', 'volkswagen golf', 'skoda octavia', 'volkswagen golf', 'smart #1', 'volvo xc60', 'byd song', 'byd dolphin', 'bmw 5 series', 'roewe i5', 'volkswagen sagitar', 'volkswagen tiguan', 'peugeot 3008', 'toyota camry', 'toyota corolla', 'mg 5', 'beijing x3', 'cadillac xt4', 'audi a6l', 'byd tang', 'roewe 550', 'mini mini', 'ora good cat', 'volkswagen golf', 'roewe ei5', 'mg 5', 'toyota highlander', 'volvo s60', 'leap c11', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":702
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) green. C) golden. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'black', 'black', 'white', 'silver', 'gray', 'gray', 'gray', 'white', 'white', 'white', 'red', 'gray', 'white', 'black', 'white', 'gray', 'silver', 'white', 'blue', 'blue', 'silver', 'black', 'gray', 'white', 'white', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'golden', 'silver', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'red', 'blue', 'white', 'silver', 'white', 'red', 'golden', 'blue', 'blue', 'black', 'red', 'gray'] \/nStep 2, count vehicles for each color: {'black': 8, 'white': 20, 'silver': 6, 'gray': 9, 'red': 4, 'blue': 6, 'golden': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":703
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of sedan vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'sedan', 'suv', 'compact', 'mid-size', 'full-size', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'subcompact', 'full-size', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'full-size', 'suv', 'compact', 'micro-size', 'subcompact', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size'] \nStep 2, identify the color of sedan vehicles: ['white'] \nStep 3, count sedan vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of sedan vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":704
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 52 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 9. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 55 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 55-52=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":705
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'sedan', 'suv', 'compact', 'mid-size', 'full-size', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'subcompact', 'full-size', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'full-size', 'suv', 'compact', 'micro-size', 'subcompact', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size'] \/nStep 2, count all subcompact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":706
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 44. B) 41. C) 42. D) 43.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model y', 'mercedes-benz glb', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'byd yuan plus', 'byd song plus', 'roewe rx5', 'byd tang', 'jeep cherokee', 'mercedes-benz c-class', 'byd seal', 'geely vision x3', 'byd qin plus', 'tesla model y', 'audi a6l', 'bmw 3 series', 'roewe erx5', 'byd yuan plus', 'volvo s60', 'geely preface', 'volvo v40', 'lexus rx', 'volkswagen golf', 'skoda octavia', 'volkswagen golf', 'smart #1', 'volvo xc60', 'byd song', 'byd dolphin', 'bmw 5 series', 'roewe i5', 'volkswagen sagitar', 'volkswagen tiguan', 'peugeot 3008', 'toyota camry', 'toyota corolla', 'mg 5', 'beijing x3', 'cadillac xt4', 'audi a6l', 'byd tang', 'roewe 550', 'mini mini', 'ora good cat', 'volkswagen golf', 'roewe ei5', 'mg 5', 'toyota highlander', 'volvo s60', 'leap c11', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'leap c11': 165000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, count vehicles priced above 100000 RMB: 41",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":707
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many white sedan vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'black', 'black', 'black', 'white', 'silver', 'gray', 'gray', 'gray', 'white', 'white', 'white', 'red', 'gray', 'white', 'black', 'white', 'gray', 'silver', 'white', 'blue', 'blue', 'silver', 'black', 'gray', 'white', 'white', 'silver', 'gray', 'blue', 'white', 'white', 'white', 'white', 'golden', 'silver', 'white', 'white', 'white', 'white', 'black', 'gray', 'white', 'red', 'blue', 'white', 'silver', 'white', 'red', 'golden', 'blue', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the type of white vehicles: ['compact', 'mid-size', 'mid-size', 'sedan', 'mid-size', 'mid-size', 'mid-size', 'compact', 'suv', 'full-size', 'compact', 'compact', 'suv', 'compact', 'compact', 'suv', 'suv', 'compact', 'compact', 'compact'] \nStep 3, count white sedan vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":708
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) aito. B) geely. C) hyundai. D) skoda.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1741.3, 1747.1], [1780.0, 1402.8], [1753.9, 1663.1], [1191.2, 831.7], [1222.2, 1329.1], [2671.9, 1444.0], [1750.8, 1572.7], [1219.0, 416.5], [3067.8, 778.8], [1172.8, 1429.9], [1144.6, 1538.0], [2500.6, 1496.2], [1792.5, 1313.8], [2583.0, 1461.4], [1743.7, 1031.3], [2835.1, 1393.3], [2920.2, 1366.3], [2414.3, 1521.3], [1762.7, 1488.5], [3003.5, 1339.2], [2754.0, 1415.7], [1207.8, 926.4], [1186.0, 602.9], [1147.4, 723.7], [3506.1, 1391.9], [1115.4, 1639.1], [1801.9, 751.9], [1850.0, 447.6], [3083.6, 1307.1], [2331.1, 1539.6], [2197.7, 1589.1], [1642.1, 1113.1], [1747.1, 1851.5], [1688.1, 840.9], [3171.3, 1288.2], [1725.8, 520.9], [3016.7, 891.8], [3435.7, 1216.6], [1861.8, 159.4], [2562.6, 1055.7], [1749.6, 235.8], [3367.0, 1021.3], [2290.8, 1142.9], [1205.0, 295.7], [2190.7, 1192.3], [1253.6, 1013.8], [2476.4, 1086.3], [1218.3, 102.2], [1242.8, 1227.7], [2941.1, 935.4], [1207.4, 5.9], [2846.7, 970.1], [2753.1, 1005.6], [2656.0, 1029.9], [2381.1, 1125.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.5, 17.9, 80.0], [-6.3, 8.0, 80.0], [-7.1, 15.5, 80.0], [-23.3, -8.5, 80.0], [-22.4, 5.9, 80.0], [19.4, 9.2, 80.0], [-7.2, 12.9, 80.0], [-22.5, -20.4, 80.0], [30.8, -10.0, 80.0], [-23.9, 8.8, 80.0], [-24.7, 11.9, 80.0], [14.4, 10.7, 80.0], [-6.0, 5.4, 80.0], [16.8, 9.7, 80.0], [-7.4, -2.7, 80.0], [24.1, 7.7, 80.0], [26.5, 7.0, 80.0], [11.9, 11.4, 80.0], [-6.8, 10.5, 80.0], [28.9, 6.2, 80.0], [21.7, 8.4, 80.0], [-22.8, -5.7, 80.0], [-23.5, -15.1, 80.0], [-24.6, -11.6, 80.0], [43.4, 7.7, 80.0], [-25.5, 14.8, 80.0], [-5.7, -10.8, 80.0], [-4.3, -19.5, 80.0], [31.2, 5.3, 80.0], [9.5, 12.0, 80.0], [5.7, 13.4, 80.0], [-10.3, -0.3, 80.0], [-7.3, 20.9, 80.0], [-9.0, -8.2, 80.0], [33.8, 4.7, 80.0], [-7.9, -17.4, 80.0], [29.3, -6.7, 80.0], [41.4, 2.6, 80.0], [-4.0, -27.8, 80.0], [16.2, -2.0, 80.0], [-7.2, -25.6, 80.0], [39.4, -3.0, 80.0], [8.4, 0.5, 80.0], [-22.9, -23.9, 80.0], [5.5, 1.9, 80.0], [-21.5, -3.2, 80.0], [13.7, -1.1, 80.0], [-22.5, -29.5, 80.0], [-21.8, 3.0, 80.0], [27.1, -5.5, 80.0], [-22.9, -32.3, 80.0], [24.4, -4.5, 80.0], [21.7, -3.4, 80.0], [18.9, -2.7, 80.0], [11.0, 0.0, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [82.3, 80.6, 81.8, 83.8, 83.3, 82.8, 81.4, 85.6, 86.3, 83.9, 84.6, 82.0, 80.4, 82.3, 80.4, 83.9, 84.6, 81.7, 81.0, 85.3, 83.3, 83.4, 84.7, 84.5, 91.4, 85.3, 80.9, 82.5, 86.0, 81.4, 81.3, 80.7, 83.0, 80.9, 87.0, 82.3, 85.5, 90.1, 84.8, 81.7, 84.3, 89.2, 80.4, 86.6, 80.2, 82.9, 81.2, 88.2, 83.0, 84.7, 89.2, 83.8, 83.0, 82.3, 80.8] \/nStep 5, find the maximum distance to the drone: 91.4 \/nStep 6, identify the brand of this vehicle: skoda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":709
+    },
+    {
+        "image":"f82cc9c2-DJI_0279.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":9.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1741.3, 1747.1], [1780.0, 1402.8], [1753.9, 1663.1], [1191.2, 831.7], [1222.2, 1329.1], [2671.9, 1444.0], [1750.8, 1572.7], [1219.0, 416.5], [3067.8, 778.8], [1172.8, 1429.9], [1144.6, 1538.0], [2500.6, 1496.2], [1792.5, 1313.8], [2583.0, 1461.4], [1743.7, 1031.3], [2835.1, 1393.3], [2920.2, 1366.3], [2414.3, 1521.3], [1762.7, 1488.5], [3003.5, 1339.2], [2754.0, 1415.7], [1207.8, 926.4], [1186.0, 602.9], [1147.4, 723.7], [3506.1, 1391.9], [1115.4, 1639.1], [1801.9, 751.9], [1850.0, 447.6], [3083.6, 1307.1], [2331.1, 1539.6], [2197.7, 1589.1], [1642.1, 1113.1], [1747.1, 1851.5], [1688.1, 840.9], [3171.3, 1288.2], [1725.8, 520.9], [3016.7, 891.8], [3435.7, 1216.6], [1861.8, 159.4], [2562.6, 1055.7], [1749.6, 235.8], [3367.0, 1021.3], [2290.8, 1142.9], [1205.0, 295.7], [2190.7, 1192.3], [1253.6, 1013.8], [2476.4, 1086.3], [1218.3, 102.2], [1242.8, 1227.7], [2941.1, 935.4], [1207.4, 5.9], [2846.7, 970.1], [2753.1, 1005.6], [2656.0, 1029.9], [2381.1, 1125.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.5, 17.9, 80.0], [-6.3, 8.0, 80.0], [-7.1, 15.5, 80.0], [-23.3, -8.5, 80.0], [-22.4, 5.9, 80.0], [19.4, 9.2, 80.0], [-7.2, 12.9, 80.0], [-22.5, -20.4, 80.0], [30.8, -10.0, 80.0], [-23.9, 8.8, 80.0], [-24.7, 11.9, 80.0], [14.4, 10.7, 80.0], [-6.0, 5.4, 80.0], [16.8, 9.7, 80.0], [-7.4, -2.7, 80.0], [24.1, 7.7, 80.0], [26.5, 7.0, 80.0], [11.9, 11.4, 80.0], [-6.8, 10.5, 80.0], [28.9, 6.2, 80.0], [21.7, 8.4, 80.0], [-22.8, -5.7, 80.0], [-23.5, -15.1, 80.0], [-24.6, -11.6, 80.0], [43.4, 7.7, 80.0], [-25.5, 14.8, 80.0], [-5.7, -10.8, 80.0], [-4.3, -19.5, 80.0], [31.2, 5.3, 80.0], [9.5, 12.0, 80.0], [5.7, 13.4, 80.0], [-10.3, -0.3, 80.0], [-7.3, 20.9, 80.0], [-9.0, -8.2, 80.0], [33.8, 4.7, 80.0], [-7.9, -17.4, 80.0], [29.3, -6.7, 80.0], [41.4, 2.6, 80.0], [-4.0, -27.8, 80.0], [16.2, -2.0, 80.0], [-7.2, -25.6, 80.0], [39.4, -3.0, 80.0], [8.4, 0.5, 80.0], [-22.9, -23.9, 80.0], [5.5, 1.9, 80.0], [-21.5, -3.2, 80.0], [13.7, -1.1, 80.0], [-22.5, -29.5, 80.0], [-21.8, 3.0, 80.0], [27.1, -5.5, 80.0], [-22.9, -32.3, 80.0], [24.4, -4.5, 80.0], [21.7, -3.4, 80.0], [18.9, -2.7, 80.0], [11.0, 0.0, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [82.3, 80.6, 81.8, 83.8, 83.3, 82.8, 81.4, 85.6, 86.3, 83.9, 84.6, 82.0, 80.4, 82.3, 80.4, 83.9, 84.6, 81.7, 81.0, 85.3, 83.3, 83.4, 84.7, 84.5, 91.4, 85.3, 80.9, 82.5, 86.0, 81.4, 81.3, 80.7, 83.0, 80.9, 87.0, 82.3, 85.5, 90.1, 84.8, 81.7, 84.3, 89.2, 80.4, 86.6, 80.2, 82.9, 81.2, 88.2, 83.0, 84.7, 89.2, 83.8, 83.0, 82.3, 80.8] \/nStep 5, find the maximum distance to the drone: 91.4 \/nStep 6, calculate the flight time of the drone: 91.4\/10=9.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":710
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Monica said she bought a new green car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'gray', 'blue', 'silver', 'black', 'black', 'black', 'black', 'white', 'white', 'gray', 'gray', 'white', 'white', 'black', 'silver', 'silver', 'gray', 'black', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'red', 'white', 'gray', 'white', 'gray', 'black', 'blue', 'white', 'blue', 'white', 'white', 'gray', 'gray', 'gray', 'white', 'silver', 'white', 'white', 'white', 'silver', 'blue', 'red', 'white', 'silver', 'white', 'golden', 'golden', 'black', 'red', 'red', 'blue', 'black', 'red', 'gray'] \/nStep 2, there is no green car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":711
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":712
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 70. B) 60. C) 90. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":713
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 17323. B) 16823. C) 21823. D) 26823.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":714
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 390. B) 3517. C) 2345. D) 11725000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'mercedes-benz c-class', 'jeep cherokee', 'roewe i5', 'byd song plus', 'leap c11', 'lexus rx', 'tesla model y', 'tesla model y', 'tesla model y', 'mercedes-benz glb', 'byd seal', 'mg 5', 'byd tang', 'roewe rx5', 'volvo s60', 'volkswagen golf', 'mercedes-benz c-class', 'byd yuan plus', 'byd yuan plus', 'skoda octavia', 'audi a6l', 'byd qin plus', 'peugeot 3008', 'tesla model y', 'bmw 3 series', 'volvo v40', 'bmw 5 series', 'geely vision x3', 'smart #1', 'byd song', 'volkswagen sagitar', 'roewe erx5', 'volkswagen golf', 'geely preface', 'toyota corolla', 'byd dolphin', 'beijing x3', 'beijing x3', 'byd tang', 'byd tang', 'byd tang', 'volkswagen tiguan', 'volvo xc60', 'roewe i5', 'cadillac xt4', 'roewe 550', 'toyota camry', 'ora good cat', 'mini mini', 'mg 5', 'roewe ei5', 'volkswagen golf', 'volvo s60', 'volvo s60', 'audi a6l', 'toyota highlander', 'toyota highlander', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, sum the price of each vehicle: 11725000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":715
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 1525000. B) 160000. C) 480000. D) 217857.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'gray', 'blue', 'silver', 'black', 'black', 'black', 'black', 'white', 'white', 'gray', 'gray', 'white', 'white', 'black', 'silver', 'silver', 'gray', 'black', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'red', 'white', 'gray', 'white', 'gray', 'black', 'blue', 'white', 'blue', 'white', 'white', 'gray', 'gray', 'gray', 'white', 'silver', 'white', 'white', 'white', 'silver', 'blue', 'red', 'white', 'silver', 'white', 'golden', 'golden', 'black', 'red', 'red', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the model of silver vehicles: ['byd yuan plus', 'lexus rx', 'byd yuan plus', 'byd yuan plus', 'volvo xc60', 'toyota camry', 'roewe ei5'] \nStep 3, query vehicle prices: {'byd yuan plus': 135000, 'lexus rx': 480000, 'volvo xc60': 290000, 'toyota camry': 190000, 'roewe ei5': 160000} \nStep 4, sum the price of each silver vehicle: 1525000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":716
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.9, 4.6, 4.7, 4.8, 4.8, 4.9, 4.8, 4.8, 4.8, 4.6, 4.8, 4.7, 4.9, 4.6, 4.8, 4.3, 4.9, 4.5, 4.5, 4.8, 5.0, 4.8, 4.4, 4.8, 4.7, 4.4, 5.2, 4.0, 4.3, 4.6, 4.8, 4.7, 4.3, 4.8, 4.6, 4.1, 4.3, 4.3, 4.9, 4.9, 4.9, 4.5, 4.7, 4.7, 4.6, 4.6, 4.9, 4.2, 3.9, 4.7, 4.6, 4.3, 4.8, 4.8, 5.0, 5.0, 5.0, 4.8, 5.0, 4.6, 4.7] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":717
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 480000. B) 20000. C) 182500. D) 1525000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'mercedes-benz c-class', 'jeep cherokee', 'roewe i5', 'byd song plus', 'leap c11', 'lexus rx', 'tesla model y', 'tesla model y', 'tesla model y', 'mercedes-benz glb', 'byd seal', 'mg 5', 'byd tang', 'roewe rx5', 'volvo s60', 'volkswagen golf', 'mercedes-benz c-class', 'byd yuan plus', 'byd yuan plus', 'skoda octavia', 'audi a6l', 'byd qin plus', 'peugeot 3008', 'tesla model y', 'bmw 3 series', 'volvo v40', 'bmw 5 series', 'geely vision x3', 'smart #1', 'byd song', 'volkswagen sagitar', 'roewe erx5', 'volkswagen golf', 'geely preface', 'toyota corolla', 'byd dolphin', 'beijing x3', 'beijing x3', 'byd tang', 'byd tang', 'byd tang', 'volkswagen tiguan', 'volvo xc60', 'roewe i5', 'cadillac xt4', 'roewe 550', 'toyota camry', 'ora good cat', 'mini mini', 'mg 5', 'roewe ei5', 'volkswagen golf', 'volvo s60', 'volvo s60', 'audi a6l', 'toyota highlander', 'toyota highlander', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, calculate the median price of all vehicles: 182500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":718
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":480000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'mercedes-benz c-class', 'jeep cherokee', 'roewe i5', 'byd song plus', 'leap c11', 'lexus rx', 'tesla model y', 'tesla model y', 'tesla model y', 'mercedes-benz glb', 'byd seal', 'mg 5', 'byd tang', 'roewe rx5', 'volvo s60', 'volkswagen golf', 'mercedes-benz c-class', 'byd yuan plus', 'byd yuan plus', 'skoda octavia', 'audi a6l', 'byd qin plus', 'peugeot 3008', 'tesla model y', 'bmw 3 series', 'volvo v40', 'bmw 5 series', 'geely vision x3', 'smart #1', 'byd song', 'volkswagen sagitar', 'roewe erx5', 'volkswagen golf', 'geely preface', 'toyota corolla', 'byd dolphin', 'beijing x3', 'beijing x3', 'byd tang', 'byd tang', 'byd tang', 'volkswagen tiguan', 'volvo xc60', 'roewe i5', 'cadillac xt4', 'roewe 550', 'toyota camry', 'ora good cat', 'mini mini', 'mg 5', 'roewe ei5', 'volkswagen golf', 'volvo s60', 'volvo s60', 'audi a6l', 'toyota highlander', 'toyota highlander', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, calculate the maximum price of all vehicles: 480000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":719
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.9, 4.6, 4.7, 4.8, 4.8, 4.9, 4.8, 4.8, 4.8, 4.6, 4.8, 4.7, 4.9, 4.6, 4.8, 4.3, 4.9, 4.5, 4.5, 4.8, 5.0, 4.8, 4.4, 4.8, 4.7, 4.4, 5.2, 4.0, 4.3, 4.6, 4.8, 4.7, 4.3, 4.8, 4.6, 4.1, 4.3, 4.3, 4.9, 4.9, 4.9, 4.5, 4.7, 4.7, 4.6, 4.6, 4.9, 4.2, 3.9, 4.7, 4.6, 4.3, 4.8, 4.8, 5.0, 5.0, 5.0, 4.8, 5.0, 4.6, 4.7] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":720
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'gray', 'blue', 'silver', 'black', 'black', 'black', 'black', 'white', 'white', 'gray', 'gray', 'white', 'white', 'black', 'silver', 'silver', 'gray', 'black', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'red', 'white', 'gray', 'white', 'gray', 'black', 'blue', 'white', 'blue', 'white', 'white', 'gray', 'gray', 'gray', 'white', 'silver', 'white', 'white', 'white', 'silver', 'blue', 'red', 'white', 'silver', 'white', 'golden', 'golden', 'black', 'red', 'red', 'blue', 'black', 'red', 'gray'] \/nStep 2, count vehicles for each color: {'silver': 7, 'white': 21, 'gray': 11, 'blue': 6, 'black': 9, 'golden': 3, 'red': 5}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":721
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'sedan', 'compact', 'suv', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'full-size', 'compact', 'suv', 'mid-size', 'mid-size', 'compact', 'full-size', 'suv', 'suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'compact', 'subcompact', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'subcompact', 'micro-size', 'compact', 'compact', 'compact', 'mid-size', 'mid-size', 'full-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size'] \nStep 2, identify the color of micro-size vehicles: ['red'] \nStep 3, count micro-size vehicles for each color: {'red': 1} \nStep 4, sort to get the most common color of micro-size vehicle: red",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":722
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 66 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 7. C) 3. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 62 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 66-62=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":723
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many silver vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'gray', 'blue', 'silver', 'black', 'black', 'black', 'black', 'white', 'white', 'gray', 'gray', 'white', 'white', 'black', 'silver', 'silver', 'gray', 'black', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'red', 'white', 'gray', 'white', 'gray', 'black', 'blue', 'white', 'blue', 'white', 'white', 'gray', 'gray', 'gray', 'white', 'silver', 'white', 'white', 'white', 'silver', 'blue', 'red', 'white', 'silver', 'white', 'golden', 'golden', 'black', 'red', 'red', 'blue', 'black', 'red', 'gray'] \/nStep 2, count all silver vehicles: 7",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":724
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 0. B) 1. C) 3. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd yuan plus', 'mercedes-benz c-class', 'jeep cherokee', 'roewe i5', 'byd song plus', 'leap c11', 'lexus rx', 'tesla model y', 'tesla model y', 'tesla model y', 'mercedes-benz glb', 'byd seal', 'mg 5', 'byd tang', 'roewe rx5', 'volvo s60', 'volkswagen golf', 'mercedes-benz c-class', 'byd yuan plus', 'byd yuan plus', 'skoda octavia', 'audi a6l', 'byd qin plus', 'peugeot 3008', 'tesla model y', 'bmw 3 series', 'volvo v40', 'bmw 5 series', 'geely vision x3', 'smart #1', 'byd song', 'volkswagen sagitar', 'roewe erx5', 'volkswagen golf', 'geely preface', 'toyota corolla', 'byd dolphin', 'beijing x3', 'beijing x3', 'byd tang', 'byd tang', 'byd tang', 'volkswagen tiguan', 'volvo xc60', 'roewe i5', 'cadillac xt4', 'roewe 550', 'toyota camry', 'ora good cat', 'mini mini', 'mg 5', 'roewe ei5', 'volkswagen golf', 'volvo s60', 'volvo s60', 'audi a6l', 'toyota highlander', 'toyota highlander', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":725
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many black suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'gray', 'blue', 'silver', 'black', 'black', 'black', 'black', 'white', 'white', 'gray', 'gray', 'white', 'white', 'black', 'silver', 'silver', 'gray', 'black', 'gray', 'golden', 'white', 'white', 'blue', 'white', 'red', 'white', 'gray', 'white', 'gray', 'black', 'blue', 'white', 'blue', 'white', 'white', 'gray', 'gray', 'gray', 'white', 'silver', 'white', 'white', 'white', 'silver', 'blue', 'red', 'white', 'silver', 'white', 'golden', 'golden', 'black', 'red', 'red', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the type of black vehicles: ['mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'full-size', 'compact', 'full-size', 'mid-size'] \nStep 3, count black suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":726
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"good cat",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1849.9, 1330.9], [1441.9, 1371.9], [1458.8, 1300.1], [1488.6, 1232.4], [1842.0, 1386.5], [1465.3, 362.0], [1459.1, 756.8], [1837.8, 1503.2], [1844.7, 1446.9], [1844.7, 1446.9], [1857.1, 1275.1], [2334.4, 1326.6], [2945.6, 1129.0], [2693.8, 847.0], [1479.6, 634.1], [2662.4, 1216.7], [1424.2, 1438.5], [1463.3, 905.6], [2446.3, 1289.7], [2446.3, 1289.7], [2995.4, 1243.7], [2552.6, 1254.5], [2388.1, 1303.7], [2772.7, 1178.0], [1830.0, 1030.9], [2608.9, 1235.8], [1475.1, 967.9], [2135.7, 1393.3], [1864.8, 1215.9], [1864.5, 846.3], [2716.7, 1194.5], [1841.4, 1571.0], [2278.4, 1346.0], [1432.9, 835.3], [2499.6, 1269.7], [2663.2, 920.9], [2224.1, 1356.4], [1897.3, 458.0], [1897.3, 458.0], [2895.7, 998.9], [2895.7, 998.9], [2895.7, 998.9], [1789.7, 905.7], [1891.3, 644.3], [1766.2, 1085.2], [2368.6, 1035.1], [2192.4, 1096.9], [1812.4, 696.5], [2125.9, 1130.2], [1468.9, 548.6], [1475.1, 427.4], [2312.0, 1056.3], [1501.4, 1029.2], [2612.9, 947.9], [2612.9, 947.9], [1828.1, 511.6], [1500.3, 1162.8], [1500.3, 1162.8], [2559.0, 977.6], [2496.9, 1004.6], [2426.7, 1018.0], [2255.3, 1081.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-6.5, 8.9, 120.0], [-24.1, 10.7, 120.0], [-23.4, 7.6, 120.0], [-22.1, 4.6, 120.0], [-6.8, 11.3, 120.0], [-23.1, -33.0, 120.0], [-23.4, -15.9, 120.0], [-7.0, 16.4, 120.0], [-6.7, 13.9, 120.0], [-6.7, 13.9, 120.0], [-6.2, 6.5, 120.0], [14.5, 8.7, 120.0], [40.9, 0.2, 120.0], [30.0, -12.0, 120.0], [-22.5, -21.2, 120.0], [28.6, 4.0, 120.0], [-24.9, 13.6, 120.0], [-23.2, -9.5, 120.0], [19.3, 7.1, 120.0], [19.3, 7.1, 120.0], [43.1, 5.1, 120.0], [23.9, 5.6, 120.0], [16.8, 7.7, 120.0], [33.4, 2.3, 120.0], [-7.4, -4.1, 120.0], [26.3, 4.8, 120.0], [-22.7, -6.8, 120.0], [5.9, 11.6, 120.0], [-5.8, 3.9, 120.0], [-5.9, -12.1, 120.0], [31.0, 3.0, 120.0], [-6.9, 19.3, 120.0], [12.0, 9.6, 120.0], [-24.5, -12.5, 120.0], [21.6, 6.3, 120.0], [28.7, -8.8, 120.0], [9.7, 10.0, 120.0], [-4.4, -28.8, 120.0], [-4.4, -28.8, 120.0], [38.7, -5.5, 120.0], [38.7, -5.5, 120.0], [38.7, -5.5, 120.0], [-9.1, -9.5, 120.0], [-4.7, -20.8, 120.0], [-10.1, -1.7, 120.0], [15.9, -3.9, 120.0], [8.3, -1.2, 120.0], [-8.1, -18.5, 120.0], [5.4, 0.2, 120.0], [-23.0, -24.9, 120.0], [-22.7, -30.2, 120.0], [13.5, -3.0, 120.0], [-21.6, -4.1, 120.0], [26.5, -7.7, 120.0], [26.5, -7.7, 120.0], [-7.4, -26.5, 120.0], [-21.6, 1.6, 120.0], [-21.6, 1.6, 120.0], [24.2, -6.4, 120.0], [21.5, -5.2, 120.0], [18.5, -4.6, 120.0], [11.0, -1.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.5, 122.9, 122.5, 122.1, 120.7, 126.6, 123.3, 121.3, 121.0, 121.0, 120.3, 121.2, 126.8, 124.3, 123.9, 123.4, 123.3, 122.6, 121.8, 121.8, 127.6, 122.5, 121.4, 124.6, 120.3, 122.9, 122.3, 120.7, 120.2, 120.7, 124.0, 121.7, 121.0, 123.1, 122.1, 123.7, 120.8, 123.5, 123.5, 126.2, 126.2, 126.2, 120.7, 121.9, 120.4, 121.1, 120.3, 121.7, 120.1, 124.7, 125.8, 120.8, 122.0, 123.1, 123.1, 123.1, 121.9, 121.9, 122.6, 122.0, 121.5, 120.5] \/nStep 5, find the minimum distance to the drone: 120.1 \/nStep 6, identify the model of this vehicle: good cat",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":727
+    },
+    {
+        "image":"d4968602-DJI_0280.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":6.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1849.9, 1330.9], [1441.9, 1371.9], [1458.8, 1300.1], [1488.6, 1232.4], [1842.0, 1386.5], [1465.3, 362.0], [1459.1, 756.8], [1837.8, 1503.2], [1844.7, 1446.9], [1844.7, 1446.9], [1857.1, 1275.1], [2334.4, 1326.6], [2945.6, 1129.0], [2693.8, 847.0], [1479.6, 634.1], [2662.4, 1216.7], [1424.2, 1438.5], [1463.3, 905.6], [2446.3, 1289.7], [2446.3, 1289.7], [2995.4, 1243.7], [2552.6, 1254.5], [2388.1, 1303.7], [2772.7, 1178.0], [1830.0, 1030.9], [2608.9, 1235.8], [1475.1, 967.9], [2135.7, 1393.3], [1864.8, 1215.9], [1864.5, 846.3], [2716.7, 1194.5], [1841.4, 1571.0], [2278.4, 1346.0], [1432.9, 835.3], [2499.6, 1269.7], [2663.2, 920.9], [2224.1, 1356.4], [1897.3, 458.0], [1897.3, 458.0], [2895.7, 998.9], [2895.7, 998.9], [2895.7, 998.9], [1789.7, 905.7], [1891.3, 644.3], [1766.2, 1085.2], [2368.6, 1035.1], [2192.4, 1096.9], [1812.4, 696.5], [2125.9, 1130.2], [1468.9, 548.6], [1475.1, 427.4], [2312.0, 1056.3], [1501.4, 1029.2], [2612.9, 947.9], [2612.9, 947.9], [1828.1, 511.6], [1500.3, 1162.8], [1500.3, 1162.8], [2559.0, 977.6], [2496.9, 1004.6], [2426.7, 1018.0], [2255.3, 1081.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-6.5, 8.9, 120.0], [-24.1, 10.7, 120.0], [-23.4, 7.6, 120.0], [-22.1, 4.6, 120.0], [-6.8, 11.3, 120.0], [-23.1, -33.0, 120.0], [-23.4, -15.9, 120.0], [-7.0, 16.4, 120.0], [-6.7, 13.9, 120.0], [-6.7, 13.9, 120.0], [-6.2, 6.5, 120.0], [14.5, 8.7, 120.0], [40.9, 0.2, 120.0], [30.0, -12.0, 120.0], [-22.5, -21.2, 120.0], [28.6, 4.0, 120.0], [-24.9, 13.6, 120.0], [-23.2, -9.5, 120.0], [19.3, 7.1, 120.0], [19.3, 7.1, 120.0], [43.1, 5.1, 120.0], [23.9, 5.6, 120.0], [16.8, 7.7, 120.0], [33.4, 2.3, 120.0], [-7.4, -4.1, 120.0], [26.3, 4.8, 120.0], [-22.7, -6.8, 120.0], [5.9, 11.6, 120.0], [-5.8, 3.9, 120.0], [-5.9, -12.1, 120.0], [31.0, 3.0, 120.0], [-6.9, 19.3, 120.0], [12.0, 9.6, 120.0], [-24.5, -12.5, 120.0], [21.6, 6.3, 120.0], [28.7, -8.8, 120.0], [9.7, 10.0, 120.0], [-4.4, -28.8, 120.0], [-4.4, -28.8, 120.0], [38.7, -5.5, 120.0], [38.7, -5.5, 120.0], [38.7, -5.5, 120.0], [-9.1, -9.5, 120.0], [-4.7, -20.8, 120.0], [-10.1, -1.7, 120.0], [15.9, -3.9, 120.0], [8.3, -1.2, 120.0], [-8.1, -18.5, 120.0], [5.4, 0.2, 120.0], [-23.0, -24.9, 120.0], [-22.7, -30.2, 120.0], [13.5, -3.0, 120.0], [-21.6, -4.1, 120.0], [26.5, -7.7, 120.0], [26.5, -7.7, 120.0], [-7.4, -26.5, 120.0], [-21.6, 1.6, 120.0], [-21.6, 1.6, 120.0], [24.2, -6.4, 120.0], [21.5, -5.2, 120.0], [18.5, -4.6, 120.0], [11.0, -1.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.5, 122.9, 122.5, 122.1, 120.7, 126.6, 123.3, 121.3, 121.0, 121.0, 120.3, 121.2, 126.8, 124.3, 123.9, 123.4, 123.3, 122.6, 121.8, 121.8, 127.6, 122.5, 121.4, 124.6, 120.3, 122.9, 122.3, 120.7, 120.2, 120.7, 124.0, 121.7, 121.0, 123.1, 122.1, 123.7, 120.8, 123.5, 123.5, 126.2, 126.2, 126.2, 120.7, 121.9, 120.4, 121.1, 120.3, 121.7, 120.1, 124.7, 125.8, 120.8, 122.0, 123.1, 123.1, 123.1, 121.9, 121.9, 122.6, 122.0, 121.5, 120.5] \/nStep 5, find the minimum distance to the drone: 120.1 \/nStep 6, calculate the flight time of the drone: 120.1\/18=6.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":62,
+        "region":"image-level",
+        "qid":728
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'black', 'white', 'gray', 'black', 'silver', 'gray', 'white', 'black', 'white', 'white', 'white', 'black', 'white', 'black', 'blue', 'white', 'gray', 'white', 'black', 'orange', 'black', 'white', 'white', 'black', 'blue', 'white', 'gray', 'white', 'white', 'white', 'white', 'black', 'white', 'gray', 'red', 'golden', 'red', 'black', 'blue', 'silver', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'silver', 'white', 'black', 'white', 'gray', 'silver', 'golden', 'white', 'silver', 'blue', 'gray', 'red', 'black', 'white', 'golden', 'blue', 'white', 'brown', 'blue', 'black', 'red', 'gray'] \/nStep 2, there is an orange car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":729
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 120. B) 20. C) 30. D) 40.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":730
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":731
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":16823,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":732
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":13500000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'roewe e550', 'jeep cherokee', 'byd tang', 'mercedes-benz glb', 'byd yuan plus', 'roewe rx5', 'bmw 3 series', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'bmw 3 series', 'mercedes-benz c-class', 'roewe i5', 'aito m5', 'leap c11', 'mg 5', 'byd song plus', 'nio ec6', 'bmw 5 series', 'byd qin', 'tesla model y', 'volkswagen tiguan', 'byd seal', 'volkswagen magotan', 'volvo v40', 'smart #1', 'byd qin plus', 'volvo s60', 'volkswagen golf', 'tesla model y', 'roewe i5', 'ford explorer', 'bmw 5 series', 'skoda octavia', 'geely vision x3', 'peugeot 3008', 'toyota levin', 'audi a6l', 'geely preface', 'byd yuan plus', 'byd song', 'byd dolphin', 'roewe erx5', 'volkswagen golf', 'volkswagen sagitar', 'toyota corolla', 'mg 5', 'volvo xc60', 'audi a4l', 'volkswagen golf', 'beijing x3', 'byd dolphin', 'toyota camry', 'lexus es', 'buick gl8', 'roewe ei5', 'tesla model 3', 'byd tang', 'mini mini', 'audi a6l', 'cadillac xt4', 'volvo s60', 'ora good cat', 'roewe 550', 'volkswagen tiguan', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 13500000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":733
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":605000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'black', 'white', 'gray', 'black', 'silver', 'gray', 'white', 'black', 'white', 'white', 'white', 'black', 'white', 'black', 'blue', 'white', 'gray', 'white', 'black', 'orange', 'black', 'white', 'white', 'black', 'blue', 'white', 'gray', 'white', 'white', 'white', 'white', 'black', 'white', 'gray', 'red', 'golden', 'red', 'black', 'blue', 'silver', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'silver', 'white', 'black', 'white', 'gray', 'silver', 'golden', 'white', 'silver', 'blue', 'gray', 'red', 'black', 'white', 'golden', 'blue', 'white', 'brown', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the model of red vehicles: ['geely vision x3', 'toyota levin', 'mini mini', 'buick envision'] \nStep 3, query vehicle prices: {'geely vision x3': 35000, 'toyota levin': 95000, 'mini mini': 270000, 'buick envision': 205000} \nStep 4, sum the price of each red vehicle: 605000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":734
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.6, 4.6, 4.9, 4.6, 4.5, 4.6, 4.7, 4.8, 4.9, 4.7, 4.7, 4.9, 4.7, 4.8, 4.8, 4.7, 4.8, 4.8, 5.2, 4.7, 4.8, 4.5, 4.8, 5.0, 4.4, 4.3, 4.8, 4.8, 4.3, 4.8, 4.7, 5.1, 5.2, 4.8, 4.0, 4.4, 4.6, 5.0, 4.8, 4.5, 4.6, 4.1, 4.7, 4.3, 4.8, 4.6, 4.7, 4.7, 4.9, 4.3, 4.3, 4.1, 4.9, 5.0, 5.2, 4.6, 4.7, 4.9, 3.9, 5.0, 4.6, 4.8, 4.2, 4.6, 4.5, 4.8, 5.0, 4.6, 4.7] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":735
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"A) 605000. B) 182500. C) 20000. D) 480000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'roewe e550', 'jeep cherokee', 'byd tang', 'mercedes-benz glb', 'byd yuan plus', 'roewe rx5', 'bmw 3 series', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'bmw 3 series', 'mercedes-benz c-class', 'roewe i5', 'aito m5', 'leap c11', 'mg 5', 'byd song plus', 'nio ec6', 'bmw 5 series', 'byd qin', 'tesla model y', 'volkswagen tiguan', 'byd seal', 'volkswagen magotan', 'volvo v40', 'smart #1', 'byd qin plus', 'volvo s60', 'volkswagen golf', 'tesla model y', 'roewe i5', 'ford explorer', 'bmw 5 series', 'skoda octavia', 'geely vision x3', 'peugeot 3008', 'toyota levin', 'audi a6l', 'geely preface', 'byd yuan plus', 'byd song', 'byd dolphin', 'roewe erx5', 'volkswagen golf', 'volkswagen sagitar', 'toyota corolla', 'mg 5', 'volvo xc60', 'audi a4l', 'volkswagen golf', 'beijing x3', 'byd dolphin', 'toyota camry', 'lexus es', 'buick gl8', 'roewe ei5', 'tesla model 3', 'byd tang', 'mini mini', 'audi a6l', 'cadillac xt4', 'volvo s60', 'ora good cat', 'roewe 550', 'volkswagen tiguan', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000} \nStep 3, calculate the median price of all vehicles: 182500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":736
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":480000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'roewe e550', 'jeep cherokee', 'byd tang', 'mercedes-benz glb', 'byd yuan plus', 'roewe rx5', 'bmw 3 series', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'bmw 3 series', 'mercedes-benz c-class', 'roewe i5', 'aito m5', 'leap c11', 'mg 5', 'byd song plus', 'nio ec6', 'bmw 5 series', 'byd qin', 'tesla model y', 'volkswagen tiguan', 'byd seal', 'volkswagen magotan', 'volvo v40', 'smart #1', 'byd qin plus', 'volvo s60', 'volkswagen golf', 'tesla model y', 'roewe i5', 'ford explorer', 'bmw 5 series', 'skoda octavia', 'geely vision x3', 'peugeot 3008', 'toyota levin', 'audi a6l', 'geely preface', 'byd yuan plus', 'byd song', 'byd dolphin', 'roewe erx5', 'volkswagen golf', 'volkswagen sagitar', 'toyota corolla', 'mg 5', 'volvo xc60', 'audi a4l', 'volkswagen golf', 'beijing x3', 'byd dolphin', 'toyota camry', 'lexus es', 'buick gl8', 'roewe ei5', 'tesla model 3', 'byd tang', 'mini mini', 'audi a6l', 'cadillac xt4', 'volvo s60', 'ora good cat', 'roewe 550', 'volkswagen tiguan', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000} \nStep 3, calculate the maximum price of all vehicles: 480000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":737
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.2. B) 4.7. C) 327.3. D) 3.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.6, 4.6, 4.9, 4.6, 4.5, 4.6, 4.7, 4.8, 4.9, 4.7, 4.7, 4.9, 4.7, 4.8, 4.8, 4.7, 4.8, 4.8, 5.2, 4.7, 4.8, 4.5, 4.8, 5.0, 4.4, 4.3, 4.8, 4.8, 4.3, 4.8, 4.7, 5.1, 5.2, 4.8, 4.0, 4.4, 4.6, 5.0, 4.8, 4.5, 4.6, 4.1, 4.7, 4.3, 4.8, 4.6, 4.7, 4.7, 4.9, 4.3, 4.3, 4.1, 4.9, 5.0, 5.2, 4.6, 4.7, 4.9, 3.9, 5.0, 4.6, 4.8, 4.2, 4.6, 4.5, 4.8, 5.0, 4.6, 4.7] \nStep 5, find the minimum length of all vehicles: 3.9",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":738
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) yellow. B) gray. C) black. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'black', 'white', 'gray', 'black', 'silver', 'gray', 'white', 'black', 'white', 'white', 'white', 'black', 'white', 'black', 'blue', 'white', 'gray', 'white', 'black', 'orange', 'black', 'white', 'white', 'black', 'blue', 'white', 'gray', 'white', 'white', 'white', 'white', 'black', 'white', 'gray', 'red', 'golden', 'red', 'black', 'blue', 'silver', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'silver', 'white', 'black', 'white', 'gray', 'silver', 'golden', 'white', 'silver', 'blue', 'gray', 'red', 'black', 'white', 'golden', 'blue', 'white', 'brown', 'blue', 'black', 'red', 'gray'] \/nStep 2, count vehicles for each color: {'silver': 6, 'black': 13, 'white': 25, 'gray': 10, 'blue': 7, 'orange': 1, 'red': 4, 'golden': 3, 'brown': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":739
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) red. B) golden. C) white. D) gray.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'suv', 'suv', 'full-size', 'compact', 'mid-size', 'suv', 'sedan', 'mid-size', 'compact', 'suv', 'compact', 'mid-size', 'compact', 'mid-size', 'compact', 'suv', 'full-size', 'compact', 'suv', 'suv', 'compact', 'full-size', 'compact', 'suv', 'suv', 'subcompact', 'suv', 'compact', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'subcompact', 'mid-size', 'mid-size', 'mpv', 'compact', 'mid-size', 'suv', 'micro-size', 'full-size', 'suv', 'mid-size', 'subcompact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['white', 'white', 'black', 'white', 'white', 'black', 'black', 'black', 'white', 'white', 'white', 'silver', 'golden', 'blue', 'golden', 'black', 'gray'] \nStep 3, count mid-size vehicles for each color: {'white': 7, 'black': 5, 'silver': 1, 'golden': 2, 'blue': 1, 'gray': 1} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":740
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 74 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 70 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 74-70=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":741
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 19. B) 21. C) 18. D) 20.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'suv', 'suv', 'full-size', 'compact', 'mid-size', 'suv', 'sedan', 'mid-size', 'compact', 'suv', 'compact', 'mid-size', 'compact', 'mid-size', 'compact', 'suv', 'full-size', 'compact', 'suv', 'suv', 'compact', 'full-size', 'compact', 'suv', 'suv', 'subcompact', 'suv', 'compact', 'compact', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'subcompact', 'mid-size', 'mid-size', 'mpv', 'compact', 'mid-size', 'suv', 'micro-size', 'full-size', 'suv', 'mid-size', 'subcompact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'mid-size'] \/nStep 2, count all compact vehicles: 19",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":742
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":51,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'roewe e550', 'jeep cherokee', 'byd tang', 'mercedes-benz glb', 'byd yuan plus', 'roewe rx5', 'bmw 3 series', 'tesla model y', 'mercedes-benz c-class', 'roewe i5', 'bmw 3 series', 'mercedes-benz c-class', 'roewe i5', 'aito m5', 'leap c11', 'mg 5', 'byd song plus', 'nio ec6', 'bmw 5 series', 'byd qin', 'tesla model y', 'volkswagen tiguan', 'byd seal', 'volkswagen magotan', 'volvo v40', 'smart #1', 'byd qin plus', 'volvo s60', 'volkswagen golf', 'tesla model y', 'roewe i5', 'ford explorer', 'bmw 5 series', 'skoda octavia', 'geely vision x3', 'peugeot 3008', 'toyota levin', 'audi a6l', 'geely preface', 'byd yuan plus', 'byd song', 'byd dolphin', 'roewe erx5', 'volkswagen golf', 'volkswagen sagitar', 'toyota corolla', 'mg 5', 'volvo xc60', 'audi a4l', 'volkswagen golf', 'beijing x3', 'byd dolphin', 'toyota camry', 'lexus es', 'buick gl8', 'roewe ei5', 'tesla model 3', 'byd tang', 'mini mini', 'audi a6l', 'cadillac xt4', 'volvo s60', 'ora good cat', 'roewe 550', 'volkswagen tiguan', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000} \nStep 3, count vehicles priced above 100000 RMB: 51",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":743
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many gray sedan vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 2. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'black', 'white', 'gray', 'black', 'silver', 'gray', 'white', 'black', 'white', 'white', 'white', 'black', 'white', 'black', 'blue', 'white', 'gray', 'white', 'black', 'orange', 'black', 'white', 'white', 'black', 'blue', 'white', 'gray', 'white', 'white', 'white', 'white', 'black', 'white', 'gray', 'red', 'golden', 'red', 'black', 'blue', 'silver', 'gray', 'blue', 'gray', 'white', 'white', 'white', 'white', 'silver', 'white', 'black', 'white', 'gray', 'silver', 'golden', 'white', 'silver', 'blue', 'gray', 'red', 'black', 'white', 'golden', 'blue', 'white', 'brown', 'blue', 'black', 'red', 'gray'] \nStep 2, identify the type of gray vehicles: ['suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'subcompact', 'suv', 'mid-size'] \nStep 3, count gray sedan vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":744
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"a6l",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1709.5, 1358.2], [2191.2, 245.0], [1704.5, 1893.9], [2934.1, 1447.0], [2100.1, 1868.4], [2091.4, 1924.1], [1730.4, 1238.9], [2164.8, 426.0], [2080.9, 2094.8], [1689.0, 1964.3], [1734.8, 1826.2], [2850.1, 1828.9], [1712.5, 1503.0], [2009.3, 1677.4], [1725.9, 907.7], [1717.9, 977.7], [3184.0, 1723.5], [2085.2, 1981.5], [2175.7, 308.3], [2191.3, 165.0], [1734.4, 833.4], [2088.0, 2041.0], [2033.9, 1498.4], [2578.4, 1920.5], [2168.2, 493.3], [1725.4, 1563.9], [2109.5, 1442.2], [2631.0, 1895.2], [2904.6, 1810.7], [1670.7, 2031.1], [2071.7, 1623.9], [1775.1, 628.1], [2136.8, 861.3], [2379.8, 1986.4], [3234.3, 1837.2], [2107.9, 1807.7], [3014.3, 1774.0], [1786.8, 707.9], [2793.7, 1846.2], [2742.3, 1862.3], [2690.3, 1883.4], [2957.9, 1788.9], [2468.4, 1951.2], [2523.0, 1939.4], [1750.2, 1621.5], [2087.1, 2162.7], [2904.8, 1518.5], [1729.0, 1041.2], [2133.3, 1245.7], [3156.4, 547.5], [1683.8, 1434.7], [2139.7, 1066.5], [2171.4, 370.5], [2056.2, 1294.1], [2093.7, 741.6], [2081.9, 548.2], [2556.7, 1651.5], [2082.7, 933.3], [3135.0, 1598.0], [1721.6, 1159.7], [2071.9, 1117.5], [2614.0, 1634.7], [2856.2, 1548.4], [2369.6, 1726.3], [2437.7, 1690.7], [2150.7, 685.1], [2796.8, 1569.7], [2737.5, 1599.4], [2672.7, 1610.2], [2491.9, 1674.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-12.6, 10.1, 120.0], [8.3, -38.1, 120.0], [-12.8, 33.3, 120.0], [40.4, 13.9, 120.0], [4.3, 32.2, 120.0], [4.0, 34.6, 120.0], [-11.7, 4.9, 120.0], [7.1, -30.2, 120.0], [3.5, 41.9, 120.0], [-13.5, 36.3, 120.0], [-11.5, 30.3, 120.0], [36.8, 30.4, 120.0], [-12.4, 16.3, 120.0], [0.4, 23.9, 120.0], [-11.9, -9.4, 120.0], [-12.2, -6.4, 120.0], [51.2, 25.9, 120.0], [3.7, 37.0, 120.0], [7.6, -35.3, 120.0], [8.3, -41.5, 120.0], [-11.5, -12.6, 120.0], [3.8, 39.6, 120.0], [1.5, 16.1, 120.0], [25.0, 34.4, 120.0], [7.3, -27.3, 120.0], [-11.9, 19.0, 120.0], [4.7, 13.7, 120.0], [27.3, 33.3, 120.0], [39.1, 29.7, 120.0], [-14.2, 39.2, 120.0], [3.1, 21.6, 120.0], [-9.7, -21.5, 120.0], [5.9, -11.4, 120.0], [16.4, 37.3, 120.0], [53.4, 30.8, 120.0], [4.7, 29.5, 120.0], [43.9, 28.1, 120.0], [-9.2, -18.0, 120.0], [34.3, 31.2, 120.0], [32.1, 31.9, 120.0], [29.9, 32.8, 120.0], [41.4, 28.7, 120.0], [20.3, 35.7, 120.0], [22.6, 35.2, 120.0], [-10.8, 21.5, 120.0], [3.8, 44.9, 120.0], [39.1, 17.0, 120.0], [-11.7, -3.6, 120.0], [5.8, 5.2, 120.0], [50.0, -25.0, 120.0], [-13.7, 13.4, 120.0], [6.0, -2.5, 120.0], [7.4, -32.6, 120.0], [2.4, 7.3, 120.0], [4.1, -16.6, 120.0], [3.5, -24.9, 120.0], [24.1, 22.8, 120.0], [3.6, -8.3, 120.0], [49.1, 20.5, 120.0], [-12.0, 1.5, 120.0], [3.1, -0.3, 120.0], [26.6, 22.0, 120.0], [37.0, 18.3, 120.0], [16.0, 26.0, 120.0], [18.9, 24.5, 120.0], [6.5, -19.0, 120.0], [34.5, 19.2, 120.0], [31.9, 20.5, 120.0], [29.1, 21.0, 120.0], [21.3, 23.8, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [121.1, 126.2, 125.2, 127.4, 124.3, 124.9, 120.7, 124.0, 127.2, 126.1, 124.3, 129.1, 121.7, 122.4, 120.9, 120.8, 133.0, 125.6, 125.3, 127.2, 121.2, 126.4, 121.1, 127.3, 123.3, 122.1, 120.9, 127.5, 129.7, 127.0, 122.0, 122.3, 120.7, 126.7, 134.9, 123.7, 130.8, 121.7, 128.7, 128.2, 127.9, 130.2, 126.8, 127.1, 122.4, 128.2, 127.4, 120.6, 120.3, 132.4, 121.5, 120.2, 124.6, 120.2, 121.2, 122.6, 124.5, 120.3, 131.3, 120.6, 120.0, 124.9, 126.9, 123.8, 123.9, 121.7, 126.3, 125.9, 125.2, 124.2] \/nStep 5, find the minimum distance to the drone: 120.0 \/nStep 6, identify the model of this vehicle: a6l",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":745
+    },
+    {
+        "image":"616ce28c-DJI_0281.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":6.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1709.5, 1358.2], [2191.2, 245.0], [1704.5, 1893.9], [2934.1, 1447.0], [2100.1, 1868.4], [2091.4, 1924.1], [1730.4, 1238.9], [2164.8, 426.0], [2080.9, 2094.8], [1689.0, 1964.3], [1734.8, 1826.2], [2850.1, 1828.9], [1712.5, 1503.0], [2009.3, 1677.4], [1725.9, 907.7], [1717.9, 977.7], [3184.0, 1723.5], [2085.2, 1981.5], [2175.7, 308.3], [2191.3, 165.0], [1734.4, 833.4], [2088.0, 2041.0], [2033.9, 1498.4], [2578.4, 1920.5], [2168.2, 493.3], [1725.4, 1563.9], [2109.5, 1442.2], [2631.0, 1895.2], [2904.6, 1810.7], [1670.7, 2031.1], [2071.7, 1623.9], [1775.1, 628.1], [2136.8, 861.3], [2379.8, 1986.4], [3234.3, 1837.2], [2107.9, 1807.7], [3014.3, 1774.0], [1786.8, 707.9], [2793.7, 1846.2], [2742.3, 1862.3], [2690.3, 1883.4], [2957.9, 1788.9], [2468.4, 1951.2], [2523.0, 1939.4], [1750.2, 1621.5], [2087.1, 2162.7], [2904.8, 1518.5], [1729.0, 1041.2], [2133.3, 1245.7], [3156.4, 547.5], [1683.8, 1434.7], [2139.7, 1066.5], [2171.4, 370.5], [2056.2, 1294.1], [2093.7, 741.6], [2081.9, 548.2], [2556.7, 1651.5], [2082.7, 933.3], [3135.0, 1598.0], [1721.6, 1159.7], [2071.9, 1117.5], [2614.0, 1634.7], [2856.2, 1548.4], [2369.6, 1726.3], [2437.7, 1690.7], [2150.7, 685.1], [2796.8, 1569.7], [2737.5, 1599.4], [2672.7, 1610.2], [2491.9, 1674.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-12.6, 10.1, 120.0], [8.3, -38.1, 120.0], [-12.8, 33.3, 120.0], [40.4, 13.9, 120.0], [4.3, 32.2, 120.0], [4.0, 34.6, 120.0], [-11.7, 4.9, 120.0], [7.1, -30.2, 120.0], [3.5, 41.9, 120.0], [-13.5, 36.3, 120.0], [-11.5, 30.3, 120.0], [36.8, 30.4, 120.0], [-12.4, 16.3, 120.0], [0.4, 23.9, 120.0], [-11.9, -9.4, 120.0], [-12.2, -6.4, 120.0], [51.2, 25.9, 120.0], [3.7, 37.0, 120.0], [7.6, -35.3, 120.0], [8.3, -41.5, 120.0], [-11.5, -12.6, 120.0], [3.8, 39.6, 120.0], [1.5, 16.1, 120.0], [25.0, 34.4, 120.0], [7.3, -27.3, 120.0], [-11.9, 19.0, 120.0], [4.7, 13.7, 120.0], [27.3, 33.3, 120.0], [39.1, 29.7, 120.0], [-14.2, 39.2, 120.0], [3.1, 21.6, 120.0], [-9.7, -21.5, 120.0], [5.9, -11.4, 120.0], [16.4, 37.3, 120.0], [53.4, 30.8, 120.0], [4.7, 29.5, 120.0], [43.9, 28.1, 120.0], [-9.2, -18.0, 120.0], [34.3, 31.2, 120.0], [32.1, 31.9, 120.0], [29.9, 32.8, 120.0], [41.4, 28.7, 120.0], [20.3, 35.7, 120.0], [22.6, 35.2, 120.0], [-10.8, 21.5, 120.0], [3.8, 44.9, 120.0], [39.1, 17.0, 120.0], [-11.7, -3.6, 120.0], [5.8, 5.2, 120.0], [50.0, -25.0, 120.0], [-13.7, 13.4, 120.0], [6.0, -2.5, 120.0], [7.4, -32.6, 120.0], [2.4, 7.3, 120.0], [4.1, -16.6, 120.0], [3.5, -24.9, 120.0], [24.1, 22.8, 120.0], [3.6, -8.3, 120.0], [49.1, 20.5, 120.0], [-12.0, 1.5, 120.0], [3.1, -0.3, 120.0], [26.6, 22.0, 120.0], [37.0, 18.3, 120.0], [16.0, 26.0, 120.0], [18.9, 24.5, 120.0], [6.5, -19.0, 120.0], [34.5, 19.2, 120.0], [31.9, 20.5, 120.0], [29.1, 21.0, 120.0], [21.3, 23.8, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [121.1, 126.2, 125.2, 127.4, 124.3, 124.9, 120.7, 124.0, 127.2, 126.1, 124.3, 129.1, 121.7, 122.4, 120.9, 120.8, 133.0, 125.6, 125.3, 127.2, 121.2, 126.4, 121.1, 127.3, 123.3, 122.1, 120.9, 127.5, 129.7, 127.0, 122.0, 122.3, 120.7, 126.7, 134.9, 123.7, 130.8, 121.7, 128.7, 128.2, 127.9, 130.2, 126.8, 127.1, 122.4, 128.2, 127.4, 120.6, 120.3, 132.4, 121.5, 120.2, 124.6, 120.2, 121.2, 122.6, 124.5, 120.3, 131.3, 120.6, 120.0, 124.9, 126.9, 123.8, 123.9, 121.7, 126.3, 125.9, 125.2, 124.2] \/nStep 5, find the minimum distance to the drone: 120.0 \/nStep 6, calculate the flight time of the drone: 120.0\/18=6.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":70,
+        "region":"image-level",
+        "qid":746
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Monica said she bought a new orange car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'black', 'white', 'black', 'silver', 'white', 'silver', 'white', 'gray', 'white', 'red', 'gray', 'gray', 'white', 'black', 'white', 'black', 'black', 'black', 'white', 'white', 'gray', 'white', 'blue', 'gray', 'white', 'black', 'orange', 'blue', 'gray', 'red', 'black', 'red', 'gray', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'blue', 'white', 'golden', 'white', 'white', 'white', 'silver', 'white', 'white', 'brown', 'black', 'black', 'white', 'white', 'silver', 'blue', 'blue', 'gray', 'red', 'black', 'black', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \/nStep 2, there is an orange car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":747
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 70. B) 100. C) 110. D) 20.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":748
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":749
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 20637. B) 20137. C) 30137. D) 21137.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":750
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":13345000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'mercedes-benz c-class', 'mercedes-benz glb', 'roewe i5', 'aito m5', 'byd yuan plus', 'nio ec6', 'byd yuan plus', 'jeep cherokee', 'roewe rx5', 'volkswagen golf', 'geely vision x3', 'byd qin plus', 'roewe erx5', 'volkswagen sagitar', 'mercedes-benz c-class', 'bmw 3 series', 'tesla model y', 'volkswagen golf', 'tesla model y', 'roewe i5', 'volvo s60', 'byd song plus', 'byd seal', 'geely preface', 'skoda octavia', 'mg 5', 'bmw 5 series', 'byd qin', 'leap c11', 'byd song', 'mini mini', 'audi a6l', 'toyota highlander', 'byd tang', 'smart #1', 'bmw 3 series', 'peugeot 3008', 'tesla model y', 'byd tang', 'ora good cat', 'byd dolphin', 'roewe i5', 'lexus es', 'bmw 5 series', 'volkswagen tiguan', 'beijing x3', 'volvo xc60', 'roewe 550', 'toyota corolla', 'volkswagen tiguan', 'roewe e550', 'ford explorer', 'buick gl8', 'mg 5', 'toyota camry', 'tesla model 3', 'volvo v40', 'byd dolphin', 'toyota levin', 'volkswagen magotan', 'audi a6l', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000} \nStep 3, sum the price of each vehicle: 13345000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":751
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":1390000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'black', 'white', 'black', 'silver', 'white', 'silver', 'white', 'gray', 'white', 'red', 'gray', 'gray', 'white', 'black', 'white', 'black', 'black', 'black', 'white', 'white', 'gray', 'white', 'blue', 'gray', 'white', 'black', 'orange', 'blue', 'gray', 'red', 'black', 'red', 'gray', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'blue', 'white', 'golden', 'white', 'white', 'white', 'silver', 'white', 'white', 'brown', 'black', 'black', 'white', 'white', 'silver', 'blue', 'blue', 'gray', 'red', 'black', 'black', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \nStep 2, identify the model of silver vehicles: ['lexus rx', 'byd yuan plus', 'byd yuan plus', 'volvo xc60', 'toyota camry', 'roewe ei5'] \nStep 3, query vehicle prices: {'lexus rx': 480000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'toyota camry': 190000, 'roewe ei5': 160000} \nStep 4, sum the price of each silver vehicle: 1390000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":752
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":193405,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'mercedes-benz c-class', 'mercedes-benz glb', 'roewe i5', 'aito m5', 'byd yuan plus', 'nio ec6', 'byd yuan plus', 'jeep cherokee', 'roewe rx5', 'volkswagen golf', 'geely vision x3', 'byd qin plus', 'roewe erx5', 'volkswagen sagitar', 'mercedes-benz c-class', 'bmw 3 series', 'tesla model y', 'volkswagen golf', 'tesla model y', 'roewe i5', 'volvo s60', 'byd song plus', 'byd seal', 'geely preface', 'skoda octavia', 'mg 5', 'bmw 5 series', 'byd qin', 'leap c11', 'byd song', 'mini mini', 'audi a6l', 'toyota highlander', 'byd tang', 'smart #1', 'bmw 3 series', 'peugeot 3008', 'tesla model y', 'byd tang', 'ora good cat', 'byd dolphin', 'roewe i5', 'lexus es', 'bmw 5 series', 'volkswagen tiguan', 'beijing x3', 'volvo xc60', 'roewe 550', 'toyota corolla', 'volkswagen tiguan', 'roewe e550', 'ford explorer', 'buick gl8', 'mg 5', 'toyota camry', 'tesla model 3', 'volvo v40', 'byd dolphin', 'toyota levin', 'volkswagen magotan', 'audi a6l', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000} \nStep 3, calculate the average price of all vehicles: 193405",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":753
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"A) 190000. B) 480000. C) 1390000. D) 20000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'mercedes-benz c-class', 'mercedes-benz glb', 'roewe i5', 'aito m5', 'byd yuan plus', 'nio ec6', 'byd yuan plus', 'jeep cherokee', 'roewe rx5', 'volkswagen golf', 'geely vision x3', 'byd qin plus', 'roewe erx5', 'volkswagen sagitar', 'mercedes-benz c-class', 'bmw 3 series', 'tesla model y', 'volkswagen golf', 'tesla model y', 'roewe i5', 'volvo s60', 'byd song plus', 'byd seal', 'geely preface', 'skoda octavia', 'mg 5', 'bmw 5 series', 'byd qin', 'leap c11', 'byd song', 'mini mini', 'audi a6l', 'toyota highlander', 'byd tang', 'smart #1', 'bmw 3 series', 'peugeot 3008', 'tesla model y', 'byd tang', 'ora good cat', 'byd dolphin', 'roewe i5', 'lexus es', 'bmw 5 series', 'volkswagen tiguan', 'beijing x3', 'volvo xc60', 'roewe 550', 'toyota corolla', 'volkswagen tiguan', 'roewe e550', 'ford explorer', 'buick gl8', 'mg 5', 'toyota camry', 'tesla model 3', 'volvo v40', 'byd dolphin', 'toyota levin', 'volkswagen magotan', 'audi a6l', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000} \nStep 3, calculate the median price of all vehicles: 190000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":754
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.6, 4.7, 4.8, 4.5, 4.8, 4.5, 4.6, 4.6, 4.3, 4.0, 4.8, 4.7, 4.8, 4.9, 4.7, 4.8, 4.3, 4.8, 4.7, 4.8, 4.8, 4.8, 4.8, 4.8, 4.7, 5.2, 4.7, 4.8, 4.6, 3.9, 5.0, 5.0, 4.9, 4.3, 4.7, 4.4, 4.8, 4.9, 4.2, 4.1, 4.7, 5.0, 5.2, 4.5, 4.3, 4.7, 4.6, 4.6, 4.5, 4.6, 5.1, 5.2, 4.7, 4.9, 4.7, 4.4, 4.1, 4.6, 5.0, 5.0, 4.8, 4.8, 5.0, 4.6, 4.6, 4.6, 4.7] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":755
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"A) 20000. B) 190000. C) 480000. D) 193405.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'mercedes-benz c-class', 'mercedes-benz glb', 'roewe i5', 'aito m5', 'byd yuan plus', 'nio ec6', 'byd yuan plus', 'jeep cherokee', 'roewe rx5', 'volkswagen golf', 'geely vision x3', 'byd qin plus', 'roewe erx5', 'volkswagen sagitar', 'mercedes-benz c-class', 'bmw 3 series', 'tesla model y', 'volkswagen golf', 'tesla model y', 'roewe i5', 'volvo s60', 'byd song plus', 'byd seal', 'geely preface', 'skoda octavia', 'mg 5', 'bmw 5 series', 'byd qin', 'leap c11', 'byd song', 'mini mini', 'audi a6l', 'toyota highlander', 'byd tang', 'smart #1', 'bmw 3 series', 'peugeot 3008', 'tesla model y', 'byd tang', 'ora good cat', 'byd dolphin', 'roewe i5', 'lexus es', 'bmw 5 series', 'volkswagen tiguan', 'beijing x3', 'volvo xc60', 'roewe 550', 'toyota corolla', 'volkswagen tiguan', 'roewe e550', 'ford explorer', 'buick gl8', 'mg 5', 'toyota camry', 'tesla model 3', 'volvo v40', 'byd dolphin', 'toyota levin', 'volkswagen magotan', 'audi a6l', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":756
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) white. C) red. D) silver.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'black', 'white', 'black', 'silver', 'white', 'silver', 'white', 'gray', 'white', 'red', 'gray', 'gray', 'white', 'black', 'white', 'black', 'black', 'black', 'white', 'white', 'gray', 'white', 'blue', 'gray', 'white', 'black', 'orange', 'blue', 'gray', 'red', 'black', 'red', 'gray', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'blue', 'white', 'golden', 'white', 'white', 'white', 'silver', 'white', 'white', 'brown', 'black', 'black', 'white', 'white', 'silver', 'blue', 'blue', 'gray', 'red', 'black', 'black', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \/nStep 2, count vehicles for each color: {'silver': 6, 'white': 23, 'black': 13, 'gray': 10, 'red': 5, 'blue': 7, 'orange': 1, 'golden': 3, 'brown': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":757
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) yellow. B) brown. C) purple. D) gray.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'mid-size', 'compact', 'mid-size', 'suv', 'sedan', 'compact', 'compact', 'compact', 'full-size', 'compact', 'suv', 'suv', 'micro-size', 'full-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'subcompact', 'subcompact', 'compact', 'mid-size', 'full-size', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'compact', 'suv', 'mpv', 'compact', 'mid-size', 'mid-size', 'compact', 'subcompact', 'compact', 'mid-size', 'full-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['silver', 'black', 'black', 'silver', 'white', 'silver', 'gray', 'red', 'gray', 'gray', 'blue', 'gray', 'red', 'gray', 'white', 'golden', 'gray', 'white', 'white', 'silver', 'brown', 'black', 'blue', 'red', 'white'] \nStep 3, count suv vehicles for each color: {'silver': 4, 'black': 3, 'white': 5, 'gray': 6, 'red': 3, 'blue': 2, 'golden': 1, 'brown': 1} \nStep 4, sort to get the most common color of suv vehicle: gray",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":758
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 71 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 69 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 71-69=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":759
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size', 'compact', 'mid-size', 'compact', 'mid-size', 'suv', 'sedan', 'compact', 'compact', 'compact', 'full-size', 'compact', 'suv', 'suv', 'micro-size', 'full-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'suv', 'subcompact', 'subcompact', 'compact', 'mid-size', 'full-size', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'compact', 'suv', 'mpv', 'compact', 'mid-size', 'mid-size', 'compact', 'subcompact', 'compact', 'mid-size', 'full-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'mid-size'] \/nStep 2, count all compact vehicles: 18",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":760
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"A) 52. B) 53. C) 51. D) 50.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['lexus rx', 'mercedes-benz c-class', 'mercedes-benz glb', 'roewe i5', 'aito m5', 'byd yuan plus', 'nio ec6', 'byd yuan plus', 'jeep cherokee', 'roewe rx5', 'volkswagen golf', 'geely vision x3', 'byd qin plus', 'roewe erx5', 'volkswagen sagitar', 'mercedes-benz c-class', 'bmw 3 series', 'tesla model y', 'volkswagen golf', 'tesla model y', 'roewe i5', 'volvo s60', 'byd song plus', 'byd seal', 'geely preface', 'skoda octavia', 'mg 5', 'bmw 5 series', 'byd qin', 'leap c11', 'byd song', 'mini mini', 'audi a6l', 'toyota highlander', 'byd tang', 'smart #1', 'bmw 3 series', 'peugeot 3008', 'tesla model y', 'byd tang', 'ora good cat', 'byd dolphin', 'roewe i5', 'lexus es', 'bmw 5 series', 'volkswagen tiguan', 'beijing x3', 'volvo xc60', 'roewe 550', 'toyota corolla', 'volkswagen tiguan', 'roewe e550', 'ford explorer', 'buick gl8', 'mg 5', 'toyota camry', 'tesla model 3', 'volvo v40', 'byd dolphin', 'toyota levin', 'volkswagen magotan', 'audi a6l', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000} \nStep 3, count vehicles priced above 100000 RMB: 50",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":761
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many red subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) -1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'black', 'white', 'black', 'silver', 'white', 'silver', 'white', 'gray', 'white', 'red', 'gray', 'gray', 'white', 'black', 'white', 'black', 'black', 'black', 'white', 'white', 'gray', 'white', 'blue', 'gray', 'white', 'black', 'orange', 'blue', 'gray', 'red', 'black', 'red', 'gray', 'white', 'white', 'golden', 'white', 'gray', 'blue', 'blue', 'white', 'golden', 'white', 'white', 'white', 'silver', 'white', 'white', 'brown', 'black', 'black', 'white', 'white', 'silver', 'blue', 'blue', 'gray', 'red', 'black', 'black', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \nStep 2, identify the type of red vehicles: ['suv', 'micro-size', 'suv', 'compact', 'suv'] \nStep 3, count red subcompact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":762
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1802.9, 1061.5], [1750.6, 1691.5], [2234.7, 1578.6], [1812.8, 1534.4], [1835.6, 677.5], [2227.9, 1643.1], [2252.6, 245.7], [2926.8, 1600.7], [1775.3, 1607.6], [1829.6, 954.6], [1724.3, 1770.2], [2241.3, 1512.4], [2861.2, 1617.2], [2739.7, 1663.1], [2232.1, 1938.3], [1798.4, 1200.8], [3103.6, 1541.9], [2221.8, 1847.5], [1774.4, 1134.0], [2227.3, 1779.6], [1889.8, 468.2], [3161.0, 1521.2], [2221.0, 1707.9], [2801.5, 1645.1], [2985.8, 1579.9], [3550.9, 1553.9], [3458.3, 1427.4], [2258.4, 161.0], [1846.9, 620.2], [1822.9, 732.8], [3214.5, 1494.7], [1819.1, 887.2], [3042.4, 1561.4], [1828.4, 1458.3], [3114.9, 1142.6], [2226.4, 1140.1], [2245.3, 327.0], [3277.5, 1481.5], [2191.7, 1320.2], [3366.5, 1292.0], [2536.5, 1423.7], [2675.1, 1678.8], [2125.6, 1375.7], [2191.6, 547.2], [2572.6, 1719.3], [2148.9, 1197.3], [2242.5, 806.0], [2243.3, 959.2], [2606.2, 1390.7], [3095.2, 1214.3], [2244.6, 508.2], [2263.7, 207.9], [2228.8, 638.6], [2172.8, 407.4], [1824.1, 787.1], [2168.2, 1004.1], [2186.5, 700.7], [1805.1, 1262.0], [2249.0, 288.2], [1893.8, 523.2], [2252.6, 370.3], [2172.8, 847.9], [3046.8, 1240.6], [2985.8, 1260.0], [2930.5, 1293.2], [2855.7, 1305.7], [2794.8, 1329.2], [2735.3, 1350.0], [2666.0, 1372.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-8.3, -2.7, 117.0], [-9.3, 21.1, 103.3], [8.9, 17.2, 105.5], [-7.2, 15.7, 106.4], [-7.5, -20.5, 127.3], [8.6, 19.5, 104.2], [12.9, -44.8, 141.3], [35.1, 18.0, 105.1], [-8.5, 18.3, 104.9], [-7.4, -7.4, 119.7], [-10.1, 23.7, 101.8], [9.3, 14.9, 106.9], [32.5, 18.6, 104.7], [27.7, 20.1, 103.8], [8.3, 28.9, 98.8], [-8.3, 3.1, 113.7], [42.3, 16.0, 106.3], [8.0, 26.1, 100.4], [-9.4, 0.4, 115.3], [8.3, 24.0, 101.6], [-5.3, -31.7, 133.7], [44.6, 15.2, 106.7], [8.2, 21.6, 103.0], [30.1, 19.5, 104.2], [37.5, 17.3, 105.5], [59.3, 16.4, 106.0], [57.1, 11.8, 108.6], [13.5, -50.2, 144.4], [-7.1, -23.5, 129.0], [-8.0, -17.8, 125.7], [46.9, 14.3, 107.2], [-7.9, -10.4, 121.5], [39.8, 16.6, 105.9], [-6.7, 13.0, 108.0], [46.2, 0.7, 115.0], [9.4, 0.6, 115.1], [12.2, -39.8, 138.5], [49.5, 13.8, 107.5], [7.7, 7.8, 111.0], [55.0, 6.7, 111.6], [21.0, 11.7, 108.7], [25.2, 20.7, 103.5], [5.0, 9.9, 109.7], [9.1, -27.3, 131.3], [21.2, 22.0, 102.8], [6.1, 3.0, 113.8], [10.8, -14.2, 123.7], [10.5, -7.1, 119.6], [23.9, 10.5, 109.4], [44.7, 3.6, 113.4], [11.7, -29.4, 132.5], [13.6, -47.2, 142.7], [10.6, -22.5, 128.5], [8.5, -35.1, 135.7], [-7.9, -15.1, 124.2], [7.2, -5.2, 118.4], [8.5, -19.4, 126.7], [-7.9, 5.5, 112.3], [12.5, -42.2, 139.8], [-5.1, -28.6, 132.0], [12.5, -37.3, 137.0], [7.6, -12.2, 122.5], [42.5, 4.7, 112.8], [39.9, 5.5, 112.3], [37.4, 6.8, 111.6], [34.3, 7.2, 111.3], [31.7, 8.2, 110.8], [29.2, 8.9, 110.3], [26.4, 9.8, 109.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [117.3, 105.8, 107.3, 107.8, 129.2, 106.4, 148.8, 112.2, 106.8, 120.2, 105.0, 108.3, 111.2, 109.3, 103.2, 114.0, 115.5, 104.0, 115.6, 104.7, 137.5, 116.6, 105.5, 110.2, 113.3, 122.5, 123.3, 153.5, 131.3, 127.2, 117.9, 122.2, 114.3, 109.0, 124.0, 115.5, 144.6, 119.1, 111.5, 124.6, 111.3, 108.5, 110.3, 134.4, 107.2, 114.0, 125.0, 120.3, 112.5, 121.9, 136.2, 150.9, 130.9, 140.5, 125.4, 118.8, 128.4, 112.7, 146.6, 135.2, 142.5, 123.4, 120.6, 119.3, 117.9, 116.7, 115.5, 114.5, 113.4] \/nStep 5, find the minimum distance to the drone: 103.2 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":763
+    },
+    {
+        "image":"049975e3-DJI_0284.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":6.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1802.9, 1061.5], [1750.6, 1691.5], [2234.7, 1578.6], [1812.8, 1534.4], [1835.6, 677.5], [2227.9, 1643.1], [2252.6, 245.7], [2926.8, 1600.7], [1775.3, 1607.6], [1829.6, 954.6], [1724.3, 1770.2], [2241.3, 1512.4], [2861.2, 1617.2], [2739.7, 1663.1], [2232.1, 1938.3], [1798.4, 1200.8], [3103.6, 1541.9], [2221.8, 1847.5], [1774.4, 1134.0], [2227.3, 1779.6], [1889.8, 468.2], [3161.0, 1521.2], [2221.0, 1707.9], [2801.5, 1645.1], [2985.8, 1579.9], [3550.9, 1553.9], [3458.3, 1427.4], [2258.4, 161.0], [1846.9, 620.2], [1822.9, 732.8], [3214.5, 1494.7], [1819.1, 887.2], [3042.4, 1561.4], [1828.4, 1458.3], [3114.9, 1142.6], [2226.4, 1140.1], [2245.3, 327.0], [3277.5, 1481.5], [2191.7, 1320.2], [3366.5, 1292.0], [2536.5, 1423.7], [2675.1, 1678.8], [2125.6, 1375.7], [2191.6, 547.2], [2572.6, 1719.3], [2148.9, 1197.3], [2242.5, 806.0], [2243.3, 959.2], [2606.2, 1390.7], [3095.2, 1214.3], [2244.6, 508.2], [2263.7, 207.9], [2228.8, 638.6], [2172.8, 407.4], [1824.1, 787.1], [2168.2, 1004.1], [2186.5, 700.7], [1805.1, 1262.0], [2249.0, 288.2], [1893.8, 523.2], [2252.6, 370.3], [2172.8, 847.9], [3046.8, 1240.6], [2985.8, 1260.0], [2930.5, 1293.2], [2855.7, 1305.7], [2794.8, 1329.2], [2735.3, 1350.0], [2666.0, 1372.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-8.3, -2.7, 117.0], [-9.3, 21.1, 103.3], [8.9, 17.2, 105.5], [-7.2, 15.7, 106.4], [-7.5, -20.5, 127.3], [8.6, 19.5, 104.2], [12.9, -44.8, 141.3], [35.1, 18.0, 105.1], [-8.5, 18.3, 104.9], [-7.4, -7.4, 119.7], [-10.1, 23.7, 101.8], [9.3, 14.9, 106.9], [32.5, 18.6, 104.7], [27.7, 20.1, 103.8], [8.3, 28.9, 98.8], [-8.3, 3.1, 113.7], [42.3, 16.0, 106.3], [8.0, 26.1, 100.4], [-9.4, 0.4, 115.3], [8.3, 24.0, 101.6], [-5.3, -31.7, 133.7], [44.6, 15.2, 106.7], [8.2, 21.6, 103.0], [30.1, 19.5, 104.2], [37.5, 17.3, 105.5], [59.3, 16.4, 106.0], [57.1, 11.8, 108.6], [13.5, -50.2, 144.4], [-7.1, -23.5, 129.0], [-8.0, -17.8, 125.7], [46.9, 14.3, 107.2], [-7.9, -10.4, 121.5], [39.8, 16.6, 105.9], [-6.7, 13.0, 108.0], [46.2, 0.7, 115.0], [9.4, 0.6, 115.1], [12.2, -39.8, 138.5], [49.5, 13.8, 107.5], [7.7, 7.8, 111.0], [55.0, 6.7, 111.6], [21.0, 11.7, 108.7], [25.2, 20.7, 103.5], [5.0, 9.9, 109.7], [9.1, -27.3, 131.3], [21.2, 22.0, 102.8], [6.1, 3.0, 113.8], [10.8, -14.2, 123.7], [10.5, -7.1, 119.6], [23.9, 10.5, 109.4], [44.7, 3.6, 113.4], [11.7, -29.4, 132.5], [13.6, -47.2, 142.7], [10.6, -22.5, 128.5], [8.5, -35.1, 135.7], [-7.9, -15.1, 124.2], [7.2, -5.2, 118.4], [8.5, -19.4, 126.7], [-7.9, 5.5, 112.3], [12.5, -42.2, 139.8], [-5.1, -28.6, 132.0], [12.5, -37.3, 137.0], [7.6, -12.2, 122.5], [42.5, 4.7, 112.8], [39.9, 5.5, 112.3], [37.4, 6.8, 111.6], [34.3, 7.2, 111.3], [31.7, 8.2, 110.8], [29.2, 8.9, 110.3], [26.4, 9.8, 109.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [117.3, 105.8, 107.3, 107.8, 129.2, 106.4, 148.8, 112.2, 106.8, 120.2, 105.0, 108.3, 111.2, 109.3, 103.2, 114.0, 115.5, 104.0, 115.6, 104.7, 137.5, 116.6, 105.5, 110.2, 113.3, 122.5, 123.3, 153.5, 131.3, 127.2, 117.9, 122.2, 114.3, 109.0, 124.0, 115.5, 144.6, 119.1, 111.5, 124.6, 111.3, 108.5, 110.3, 134.4, 107.2, 114.0, 125.0, 120.3, 112.5, 121.9, 136.2, 150.9, 130.9, 140.5, 125.4, 118.8, 128.4, 112.7, 146.6, 135.2, 142.5, 123.4, 120.6, 119.3, 117.9, 116.7, 115.5, 114.5, 113.4] \/nStep 5, find the minimum distance to the drone: 103.2 \/nStep 6, calculate the flight time of the drone: 103.2\/16=6.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":69,
+        "region":"image-level",
+        "qid":764
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Rachel said she bought a new red car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'gray', 'black', 'white', 'black', 'black', 'white', 'gray', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'white', 'black', 'gray', 'blue', 'black', 'white', 'black', 'red', 'silver', 'blue', 'white', 'silver', 'golden', 'gray', 'white', 'black', 'black', 'white', 'black', 'brown', 'silver', 'white', 'gray', 'white', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray', 'white', 'blue', 'brown', 'red', 'white'] \/nStep 2, there is an red car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":765
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 100. B) 70. C) 30. D) 80.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":766
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"A) 60. B) 30. C) 70. D) 45.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":767
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20137,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":768
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 3315. B) 11050000. C) 368. D) 2210.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['nio ec6', 'byd seal', 'bmw 3 series', 'byd yuan plus', 'volvo s60', 'byd qin plus', 'bmw 5 series', 'bmw 3 series', 'ford explorer', 'roewe e550', 'mg 5', 'skoda octavia', 'volkswagen sagitar', 'peugeot 3008', 'byd tang', 'byd song', 'byd dolphin', 'bmw 5 series', 'byd tang', 'roewe i5', 'audi a6l', 'roewe erx5', 'geely preface', 'mercedes-benz glb', 'smart #1', 'volkswagen magotan', 'geely vision x3', 'toyota camry', 'tesla model 3', 'tesla model y', 'volvo xc60', 'lexus es', 'byd song plus', 'volkswagen tiguan', 'tesla model y', 'audi a6l', 'beijing x3', 'tesla model y', 'volkswagen tiguan', 'byd yuan plus', 'buick gl8', 'byd dolphin', 'toyota corolla', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3', 'roewe 550', 'ora good cat', 'byd tang', 'hyundai avante', 'audi a4l'] \nStep 2, query all vehicle prices: {'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000} \nStep 3, sum the price of each vehicle: 11050000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":769
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 135000. B) 290000. C) 910000. D) 160000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'gray', 'black', 'white', 'black', 'black', 'white', 'gray', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'white', 'black', 'gray', 'blue', 'black', 'white', 'black', 'red', 'silver', 'blue', 'white', 'silver', 'golden', 'gray', 'white', 'black', 'black', 'white', 'black', 'brown', 'silver', 'white', 'gray', 'white', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray', 'white', 'blue', 'brown', 'red', 'white'] \nStep 2, identify the model of silver vehicles: ['byd yuan plus', 'toyota camry', 'volvo xc60', 'byd yuan plus', 'roewe ei5'] \nStep 3, query vehicle prices: {'byd yuan plus': 135000, 'toyota camry': 190000, 'volvo xc60': 290000, 'roewe ei5': 160000} \nStep 4, sum the price of each silver vehicle: 910000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":770
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.7, 4.5, 4.8, 4.8, 5.2, 4.7, 5.1, 4.6, 4.7, 4.8, 4.8, 4.4, 4.9, 4.6, 4.1, 5.2, 4.9, 4.7, 5.0, 4.7, 4.8, 4.6, 4.3, 5.0, 4.0, 4.9, 4.7, 4.8, 4.7, 5.0, 4.8, 4.5, 4.8, 5.0, 4.3, 4.8, 4.5, 4.5, 5.2, 4.1, 4.6, 4.8, 4.8, 5.0, 4.6, 4.6, 4.6, 4.7, 4.6, 4.2, 4.9, 4.6, 4.9] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":771
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":210000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['nio ec6', 'byd seal', 'bmw 3 series', 'byd yuan plus', 'volvo s60', 'byd qin plus', 'bmw 5 series', 'bmw 3 series', 'ford explorer', 'roewe e550', 'mg 5', 'skoda octavia', 'volkswagen sagitar', 'peugeot 3008', 'byd tang', 'byd song', 'byd dolphin', 'bmw 5 series', 'byd tang', 'roewe i5', 'audi a6l', 'roewe erx5', 'geely preface', 'mercedes-benz glb', 'smart #1', 'volkswagen magotan', 'geely vision x3', 'toyota camry', 'tesla model 3', 'tesla model y', 'volvo xc60', 'lexus es', 'byd song plus', 'volkswagen tiguan', 'tesla model y', 'audi a6l', 'beijing x3', 'tesla model y', 'volkswagen tiguan', 'byd yuan plus', 'buick gl8', 'byd dolphin', 'toyota corolla', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3', 'roewe 550', 'ora good cat', 'byd tang', 'hyundai avante', 'audi a4l'] \nStep 2, query all vehicle prices: {'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000} \nStep 3, calculate the median price of all vehicles: 210000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":772
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 200909. B) 910000. C) 475000. D) 210000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['nio ec6', 'byd seal', 'bmw 3 series', 'byd yuan plus', 'volvo s60', 'byd qin plus', 'bmw 5 series', 'bmw 3 series', 'ford explorer', 'roewe e550', 'mg 5', 'skoda octavia', 'volkswagen sagitar', 'peugeot 3008', 'byd tang', 'byd song', 'byd dolphin', 'bmw 5 series', 'byd tang', 'roewe i5', 'audi a6l', 'roewe erx5', 'geely preface', 'mercedes-benz glb', 'smart #1', 'volkswagen magotan', 'geely vision x3', 'toyota camry', 'tesla model 3', 'tesla model y', 'volvo xc60', 'lexus es', 'byd song plus', 'volkswagen tiguan', 'tesla model y', 'audi a6l', 'beijing x3', 'tesla model y', 'volkswagen tiguan', 'byd yuan plus', 'buick gl8', 'byd dolphin', 'toyota corolla', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3', 'roewe 550', 'ora good cat', 'byd tang', 'hyundai avante', 'audi a4l'] \nStep 2, query all vehicle prices: {'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000} \nStep 3, calculate the maximum price of all vehicles: 475000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":773
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 210000. B) 910000. C) 475000. D) 20000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['nio ec6', 'byd seal', 'bmw 3 series', 'byd yuan plus', 'volvo s60', 'byd qin plus', 'bmw 5 series', 'bmw 3 series', 'ford explorer', 'roewe e550', 'mg 5', 'skoda octavia', 'volkswagen sagitar', 'peugeot 3008', 'byd tang', 'byd song', 'byd dolphin', 'bmw 5 series', 'byd tang', 'roewe i5', 'audi a6l', 'roewe erx5', 'geely preface', 'mercedes-benz glb', 'smart #1', 'volkswagen magotan', 'geely vision x3', 'toyota camry', 'tesla model 3', 'tesla model y', 'volvo xc60', 'lexus es', 'byd song plus', 'volkswagen tiguan', 'tesla model y', 'audi a6l', 'beijing x3', 'tesla model y', 'volkswagen tiguan', 'byd yuan plus', 'buick gl8', 'byd dolphin', 'toyota corolla', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3', 'roewe 550', 'ora good cat', 'byd tang', 'hyundai avante', 'audi a4l'] \nStep 2, query all vehicle prices: {'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":774
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) brown. C) golden. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'gray', 'black', 'white', 'black', 'black', 'white', 'gray', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'white', 'black', 'gray', 'blue', 'black', 'white', 'black', 'red', 'silver', 'blue', 'white', 'silver', 'golden', 'gray', 'white', 'black', 'black', 'white', 'black', 'brown', 'silver', 'white', 'gray', 'white', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray', 'white', 'blue', 'brown', 'red', 'white'] \/nStep 2, count vehicles for each color: {'white': 18, 'silver': 5, 'gray': 9, 'black': 10, 'golden': 3, 'blue': 5, 'red': 3, 'brown': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":775
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) blue. C) silver. D) pink.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'sedan', 'mid-size', 'suv', 'mid-size', 'compact', 'full-size', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'subcompact', 'full-size', 'suv', 'compact', 'full-size', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'mid-size', 'full-size', 'suv', 'mid-size', 'suv', 'suv', 'mpv', 'subcompact', 'compact', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'subcompact', 'suv', 'compact', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['gray', 'black', 'white', 'gray', 'white', 'white', 'blue', 'white', 'silver', 'white', 'red'] \nStep 3, count compact vehicles for each color: {'gray': 2, 'black': 1, 'white': 5, 'blue': 1, 'silver': 1, 'red': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":776
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 57 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 55 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 57-55=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":777
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 20. B) 19. C) 18. D) 17.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'gray', 'black', 'white', 'black', 'black', 'white', 'gray', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'white', 'black', 'gray', 'blue', 'black', 'white', 'black', 'red', 'silver', 'blue', 'white', 'silver', 'golden', 'gray', 'white', 'black', 'black', 'white', 'black', 'brown', 'silver', 'white', 'gray', 'white', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray', 'white', 'blue', 'brown', 'red', 'white'] \/nStep 2, count all white vehicles: 18",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":778
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 1. B) 2. C) 0. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['nio ec6', 'byd seal', 'bmw 3 series', 'byd yuan plus', 'volvo s60', 'byd qin plus', 'bmw 5 series', 'bmw 3 series', 'ford explorer', 'roewe e550', 'mg 5', 'skoda octavia', 'volkswagen sagitar', 'peugeot 3008', 'byd tang', 'byd song', 'byd dolphin', 'bmw 5 series', 'byd tang', 'roewe i5', 'audi a6l', 'roewe erx5', 'geely preface', 'mercedes-benz glb', 'smart #1', 'volkswagen magotan', 'geely vision x3', 'toyota camry', 'tesla model 3', 'tesla model y', 'volvo xc60', 'lexus es', 'byd song plus', 'volkswagen tiguan', 'tesla model y', 'audi a6l', 'beijing x3', 'tesla model y', 'volkswagen tiguan', 'byd yuan plus', 'buick gl8', 'byd dolphin', 'toyota corolla', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3', 'roewe 550', 'ora good cat', 'byd tang', 'hyundai avante', 'audi a4l'] \nStep 2, query all vehicle prices: {'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":779
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many brown compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'gray', 'black', 'white', 'black', 'black', 'white', 'gray', 'white', 'golden', 'gray', 'gray', 'blue', 'white', 'gray', 'white', 'black', 'gray', 'blue', 'black', 'white', 'black', 'red', 'silver', 'blue', 'white', 'silver', 'golden', 'gray', 'white', 'black', 'black', 'white', 'black', 'brown', 'silver', 'white', 'gray', 'white', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray', 'white', 'blue', 'brown', 'red', 'white'] \nStep 2, identify the type of brown vehicles: ['suv', 'suv'] \nStep 3, count brown compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":780
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[851.2, 1338.9], [2601.4, 1012.0], [2492.2, 778.3], [2555.7, 911.5], [2471.8, 734.8], [2571.7, 963.3], [705.7, 1322.0], [975.5, 1356.1], [1445.4, 1396.5], [791.4, 1321.5], [2378.5, 521.5], [2483.9, 487.2], [2921.0, 1503.9], [2432.2, 644.9], [2111.5, 700.6], [2448.2, 690.2], [2641.5, 1113.3], [2683.7, 1196.5], [2260.6, 552.3], [2361.8, 1566.3], [2511.4, 825.1], [2623.9, 1061.5], [2531.0, 866.7], [2576.8, 1475.3], [2091.8, 1447.3], [1047.9, 1354.6], [2507.7, 1465.5], [1923.3, 1497.0], [1516.7, 1454.3], [2296.4, 1493.9], [1872.1, 1408.5], [1302.9, 1437.1], [2706.7, 1496.4], [2157.3, 1528.3], [2777.2, 1499.5], [1722.4, 1471.3], [1672.8, 1399.3], [2843.1, 1508.4], [1251.2, 1366.7], [2641.2, 1485.5], [1088.8, 1440.5], [917.9, 1343.4], [2180.1, 728.7], [2209.2, 770.3], [2228.0, 818.2], [2257.1, 865.0], [2274.8, 923.2], [2295.6, 972.1], [2317.4, 1024.1], [2346.5, 1078.2], [2364.2, 1133.3], [2395.4, 1195.7], [2125.3, 597.0], [2016.1, 625.1], [1283.9, 520.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-45.8, 8.5, 110.5], [25.6, -4.8, 118.3], [22.1, -15.6, 124.4], [24.2, -9.3, 120.8], [21.4, -17.7, 125.7], [24.6, -7.0, 119.5], [-51.7, 7.9, 110.9], [-40.7, 9.2, 110.2], [-21.8, 10.7, 109.3], [-48.3, 7.9, 110.9], [18.0, -28.7, 132.1], [23.2, -30.6, 133.1], [35.5, 14.6, 107.0], [20.0, -22.2, 128.3], [5.1, -19.4, 126.7], [20.5, -19.9, 127.0], [26.8, -0.5, 115.8], [28.0, 2.9, 113.8], [12.3, -27.1, 131.1], [13.8, 16.8, 105.8], [22.7, -13.3, 123.2], [26.3, -2.7, 117.0], [23.4, -11.4, 122.0], [22.4, 13.6, 107.6], [3.6, 12.6, 108.2], [-37.8, 9.1, 110.2], [19.7, 13.2, 107.8], [-3.0, 14.4, 107.2], [-18.8, 12.8, 108.1], [11.5, 14.3, 107.2], [-5.0, 11.1, 109.0], [-27.2, 12.2, 108.4], [27.3, 14.3, 107.2], [6.0, 15.5, 106.5], [30.0, 14.5, 107.1], [-10.8, 13.4, 107.7], [-12.9, 10.8, 109.2], [32.5, 14.8, 106.9], [-29.7, 9.6, 109.9], [24.8, 14.0, 107.4], [-35.6, 12.3, 108.4], [-43.1, 8.7, 110.5], [8.2, -18.0, 125.8], [9.4, -15.9, 124.7], [10.1, -13.6, 123.3], [11.3, -11.4, 122.1], [11.9, -8.8, 120.5], [12.7, -6.6, 119.3], [13.5, -4.3, 117.9], [14.6, -2.0, 116.6], [15.1, 0.3, 115.3], [16.2, 2.9, 113.8], [5.9, -24.7, 129.7], [0.7, -23.2, 128.9], [-34.1, -28.8, 132.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.0, 121.1, 127.3, 123.6, 128.7, 122.2, 122.7, 117.8, 112.0, 121.3, 136.3, 138.6, 113.7, 131.7, 128.2, 130.1, 118.8, 117.2, 134.4, 108.0, 125.9, 120.0, 124.8, 110.8, 109.0, 116.9, 110.4, 108.2, 110.4, 108.8, 109.7, 112.5, 111.5, 107.8, 112.2, 109.1, 110.5, 112.7, 114.3, 111.1, 114.7, 118.9, 127.4, 126.0, 124.5, 123.1, 121.4, 120.1, 118.8, 117.5, 116.3, 115.0, 132.2, 131.0, 139.4] \/nStep 5, find the minimum distance to the drone: 107.8 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":781
+    },
+    {
+        "image":"2d34e10a-DJI_0286.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":9.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[851.2, 1338.9], [2601.4, 1012.0], [2492.2, 778.3], [2555.7, 911.5], [2471.8, 734.8], [2571.7, 963.3], [705.7, 1322.0], [975.5, 1356.1], [1445.4, 1396.5], [791.4, 1321.5], [2378.5, 521.5], [2483.9, 487.2], [2921.0, 1503.9], [2432.2, 644.9], [2111.5, 700.6], [2448.2, 690.2], [2641.5, 1113.3], [2683.7, 1196.5], [2260.6, 552.3], [2361.8, 1566.3], [2511.4, 825.1], [2623.9, 1061.5], [2531.0, 866.7], [2576.8, 1475.3], [2091.8, 1447.3], [1047.9, 1354.6], [2507.7, 1465.5], [1923.3, 1497.0], [1516.7, 1454.3], [2296.4, 1493.9], [1872.1, 1408.5], [1302.9, 1437.1], [2706.7, 1496.4], [2157.3, 1528.3], [2777.2, 1499.5], [1722.4, 1471.3], [1672.8, 1399.3], [2843.1, 1508.4], [1251.2, 1366.7], [2641.2, 1485.5], [1088.8, 1440.5], [917.9, 1343.4], [2180.1, 728.7], [2209.2, 770.3], [2228.0, 818.2], [2257.1, 865.0], [2274.8, 923.2], [2295.6, 972.1], [2317.4, 1024.1], [2346.5, 1078.2], [2364.2, 1133.3], [2395.4, 1195.7], [2125.3, 597.0], [2016.1, 625.1], [1283.9, 520.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-45.8, 8.5, 110.5], [25.6, -4.8, 118.3], [22.1, -15.6, 124.4], [24.2, -9.3, 120.8], [21.4, -17.7, 125.7], [24.6, -7.0, 119.5], [-51.7, 7.9, 110.9], [-40.7, 9.2, 110.2], [-21.8, 10.7, 109.3], [-48.3, 7.9, 110.9], [18.0, -28.7, 132.1], [23.2, -30.6, 133.1], [35.5, 14.6, 107.0], [20.0, -22.2, 128.3], [5.1, -19.4, 126.7], [20.5, -19.9, 127.0], [26.8, -0.5, 115.8], [28.0, 2.9, 113.8], [12.3, -27.1, 131.1], [13.8, 16.8, 105.8], [22.7, -13.3, 123.2], [26.3, -2.7, 117.0], [23.4, -11.4, 122.0], [22.4, 13.6, 107.6], [3.6, 12.6, 108.2], [-37.8, 9.1, 110.2], [19.7, 13.2, 107.8], [-3.0, 14.4, 107.2], [-18.8, 12.8, 108.1], [11.5, 14.3, 107.2], [-5.0, 11.1, 109.0], [-27.2, 12.2, 108.4], [27.3, 14.3, 107.2], [6.0, 15.5, 106.5], [30.0, 14.5, 107.1], [-10.8, 13.4, 107.7], [-12.9, 10.8, 109.2], [32.5, 14.8, 106.9], [-29.7, 9.6, 109.9], [24.8, 14.0, 107.4], [-35.6, 12.3, 108.4], [-43.1, 8.7, 110.5], [8.2, -18.0, 125.8], [9.4, -15.9, 124.7], [10.1, -13.6, 123.3], [11.3, -11.4, 122.1], [11.9, -8.8, 120.5], [12.7, -6.6, 119.3], [13.5, -4.3, 117.9], [14.6, -2.0, 116.6], [15.1, 0.3, 115.3], [16.2, 2.9, 113.8], [5.9, -24.7, 129.7], [0.7, -23.2, 128.9], [-34.1, -28.8, 132.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.0, 121.1, 127.3, 123.6, 128.7, 122.2, 122.7, 117.8, 112.0, 121.3, 136.3, 138.6, 113.7, 131.7, 128.2, 130.1, 118.8, 117.2, 134.4, 108.0, 125.9, 120.0, 124.8, 110.8, 109.0, 116.9, 110.4, 108.2, 110.4, 108.8, 109.7, 112.5, 111.5, 107.8, 112.2, 109.1, 110.5, 112.7, 114.3, 111.1, 114.7, 118.9, 127.4, 126.0, 124.5, 123.1, 121.4, 120.1, 118.8, 117.5, 116.3, 115.0, 132.2, 131.0, 139.4] \/nStep 5, find the minimum distance to the drone: 107.8 \/nStep 6, calculate the flight time of the drone: 107.8\/12=9.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":55,
+        "region":"image-level",
+        "qid":782
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new purple car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'gray', 'gray', 'blue', 'silver', 'white', 'red', 'white', 'black', 'gray', 'gray', 'gray', 'black', 'golden', 'silver', 'white', 'white', 'gray', 'gray', 'black', 'black', 'white', 'white', 'silver', 'white', 'blue', 'white', 'white', 'brown', 'red', 'white', 'white', 'black', 'silver', 'silver', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \/nStep 2, there is no purple car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":783
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":784
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 80. B) 90. C) 60. D) 45.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":785
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 7249. B) 7749. C) 12249. D) 8249.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":786
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":8165000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['geely preface', 'byd seal', 'roewe erx5', 'byd qin plus', 'byd dolphin', 'byd yuan plus', 'bmw 3 series', 'geely vision x3', 'volvo s60', 'audi a6l', 'byd tang', 'skoda octavia', 'byd song plus', 'mercedes-benz glb', 'peugeot 3008', 'byd yuan plus', 'mg 5', 'tesla model y', 'byd tang', 'byd song', 'tesla model y', 'tesla model y', 'volkswagen tiguan', 'smart #1', 'volvo xc60', 'bmw 5 series', 'ora good cat', 'volkswagen sagitar', 'beijing x3', 'byd tang', 'hyundai avante', 'toyota corolla', 'roewe 550', 'audi a6l', 'toyota camry', 'toyota camry', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000} \nStep 3, sum the price of each vehicle: 8165000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":787
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":280000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'gray', 'gray', 'blue', 'silver', 'white', 'red', 'white', 'black', 'gray', 'gray', 'gray', 'black', 'golden', 'silver', 'white', 'white', 'gray', 'gray', 'black', 'black', 'white', 'white', 'silver', 'white', 'blue', 'white', 'white', 'brown', 'red', 'white', 'white', 'black', 'silver', 'silver', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \nStep 2, identify the model of red vehicles: ['geely vision x3', 'hyundai avante', 'buick envision'] \nStep 3, query vehicle prices: {'geely vision x3': 35000, 'hyundai avante': 40000, 'buick envision': 205000} \nStep 4, sum the price of each red vehicle: 280000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":788
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":189883,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['geely preface', 'byd seal', 'roewe erx5', 'byd qin plus', 'byd dolphin', 'byd yuan plus', 'bmw 3 series', 'geely vision x3', 'volvo s60', 'audi a6l', 'byd tang', 'skoda octavia', 'byd song plus', 'mercedes-benz glb', 'peugeot 3008', 'byd yuan plus', 'mg 5', 'tesla model y', 'byd tang', 'byd song', 'tesla model y', 'tesla model y', 'volkswagen tiguan', 'smart #1', 'volvo xc60', 'bmw 5 series', 'ora good cat', 'volkswagen sagitar', 'beijing x3', 'byd tang', 'hyundai avante', 'toyota corolla', 'roewe 550', 'audi a6l', 'toyota camry', 'toyota camry', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000} \nStep 3, calculate the average price of all vehicles: 189883",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":789
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['geely preface', 'byd seal', 'roewe erx5', 'byd qin plus', 'byd dolphin', 'byd yuan plus', 'bmw 3 series', 'geely vision x3', 'volvo s60', 'audi a6l', 'byd tang', 'skoda octavia', 'byd song plus', 'mercedes-benz glb', 'peugeot 3008', 'byd yuan plus', 'mg 5', 'tesla model y', 'byd tang', 'byd song', 'tesla model y', 'tesla model y', 'volkswagen tiguan', 'smart #1', 'volvo xc60', 'bmw 5 series', 'ora good cat', 'volkswagen sagitar', 'beijing x3', 'byd tang', 'hyundai avante', 'toyota corolla', 'roewe 550', 'audi a6l', 'toyota camry', 'toyota camry', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000} \nStep 3, calculate the median price of all vehicles: 190000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":790
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"A) 475000. B) 189883. C) 190000. D) 280000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['geely preface', 'byd seal', 'roewe erx5', 'byd qin plus', 'byd dolphin', 'byd yuan plus', 'bmw 3 series', 'geely vision x3', 'volvo s60', 'audi a6l', 'byd tang', 'skoda octavia', 'byd song plus', 'mercedes-benz glb', 'peugeot 3008', 'byd yuan plus', 'mg 5', 'tesla model y', 'byd tang', 'byd song', 'tesla model y', 'tesla model y', 'volkswagen tiguan', 'smart #1', 'volvo xc60', 'bmw 5 series', 'ora good cat', 'volkswagen sagitar', 'beijing x3', 'byd tang', 'hyundai avante', 'toyota corolla', 'roewe 550', 'audi a6l', 'toyota camry', 'toyota camry', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000} \nStep 3, calculate the maximum price of all vehicles: 475000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":791
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.7, 4.8, 4.1, 4.5, 4.7, 4.0, 4.8, 5.0, 4.9, 4.8, 4.8, 4.6, 4.4, 4.5, 4.7, 4.8, 4.9, 4.6, 4.8, 4.8, 4.5, 4.3, 4.7, 5.2, 4.2, 4.8, 4.3, 4.9, 4.6, 4.6, 4.6, 5.0, 4.9, 4.9, 4.8, 4.8, 5.0, 4.6, 4.6, 4.6, 4.7] \nStep 5, find the minimum length of all vehicles: 4.0",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":792
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) purple. B) white. C) orange. D) black.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'gray', 'gray', 'blue', 'silver', 'white', 'red', 'white', 'black', 'gray', 'gray', 'gray', 'black', 'golden', 'silver', 'white', 'white', 'gray', 'gray', 'black', 'black', 'white', 'white', 'silver', 'white', 'blue', 'white', 'white', 'brown', 'red', 'white', 'white', 'black', 'silver', 'silver', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \/nStep 2, count vehicles for each color: {'blue': 4, 'white': 13, 'gray': 8, 'silver': 6, 'red': 3, 'black': 6, 'golden': 2, 'brown': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":793
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'sedan', 'suv', 'compact', 'subcompact', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'subcompact', 'compact', 'suv', 'suv', 'compact', 'compact', 'compact', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'mid-size'] \nStep 2, identify the color of full-size vehicles: ['black', 'white', 'black'] \nStep 3, count full-size vehicles for each color: {'black': 2, 'white': 1} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":794
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 45 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 43 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 45-43=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":795
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'sedan', 'suv', 'compact', 'subcompact', 'suv', 'mid-size', 'suv', 'mid-size', 'full-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'subcompact', 'compact', 'suv', 'suv', 'compact', 'compact', 'compact', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'mid-size'] \/nStep 2, count all subcompact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":796
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"A) 43. B) 45. C) 44. D) 46.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['geely preface', 'byd seal', 'roewe erx5', 'byd qin plus', 'byd dolphin', 'byd yuan plus', 'bmw 3 series', 'geely vision x3', 'volvo s60', 'audi a6l', 'byd tang', 'skoda octavia', 'byd song plus', 'mercedes-benz glb', 'peugeot 3008', 'byd yuan plus', 'mg 5', 'tesla model y', 'byd tang', 'byd song', 'tesla model y', 'tesla model y', 'volkswagen tiguan', 'smart #1', 'volvo xc60', 'bmw 5 series', 'ora good cat', 'volkswagen sagitar', 'beijing x3', 'byd tang', 'hyundai avante', 'toyota corolla', 'roewe 550', 'audi a6l', 'toyota camry', 'toyota camry', 'volvo s60', 'bmw x4', 'byd han', 'buick envision', 'cadillac xt4', 'roewe ei5', 'tesla model 3'] \nStep 2, query all vehicle prices: {'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'volkswagen sagitar': 115000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000} \nStep 3, count vehicles priced below 500000 RMB: 43",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":797
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many gray sedan vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'gray', 'gray', 'blue', 'silver', 'white', 'red', 'white', 'black', 'gray', 'gray', 'gray', 'black', 'golden', 'silver', 'white', 'white', 'gray', 'gray', 'black', 'black', 'white', 'white', 'silver', 'white', 'blue', 'white', 'white', 'brown', 'red', 'white', 'white', 'black', 'silver', 'silver', 'golden', 'blue', 'black', 'red', 'white', 'silver', 'gray'] \nStep 2, identify the type of gray vehicles: ['suv', 'compact', 'suv', 'compact', 'suv', 'suv', 'suv', 'mid-size'] \nStep 3, count gray sedan vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":798
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"octavia",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2091.9, 913.4], [2129.4, 1175.5], [2141.1, 1266.4], [2106.0, 1084.6], [2144.5, 1362.6], [2105.0, 996.0], [2070.9, 757.9], [1702.9, 1974.1], [2061.0, 684.7], [2081.6, 837.5], [1498.5, 534.1], [2202.2, 306.9], [2043.2, 2110.4], [1819.7, 2016.5], [2037.2, 534.6], [1932.8, 2064.1], [2019.1, 331.0], [1312.0, 1956.1], [1809.4, 351.4], [2040.6, 609.7], [2171.4, 2135.3], [2291.1, 2159.6], [1036.4, 1980.4], [980.1, 1801.5], [623.3, 1666.2], [2175.5, 1530.0], [1686.3, 1431.3], [2441.4, 2178.7], [294.1, 1578.3], [1580.4, 372.8], [1382.5, 400.2], [1596.9, 593.6], [1666.4, 1314.1], [314.9, 1744.3], [645.8, 1846.1], [645.8, 1846.1], [1621.8, 662.8], [1630.1, 745.9], [1650.9, 833.1], [1627.8, 931.9], [1643.5, 1021.4], [1652.9, 1107.7], [1662.9, 1212.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.4, -5.5, 72.5], [3.2, 1.2, 68.6], [3.4, 3.4, 67.3], [2.7, -1.0, 69.9], [3.4, 5.7, 66.0], [2.7, -3.3, 71.2], [1.9, -9.9, 75.0], [-6.3, 18.0, 58.9], [1.7, -12.1, 76.3], [2.2, -7.6, 73.7], [-14.3, -16.8, 79.0], [6.1, -24.6, 83.5], [0.9, 20.4, 57.5], [-3.8, 18.8, 58.4], [1.1, -16.8, 79.0], [-1.4, 19.6, 58.0], [0.6, -23.8, 83.0], [-14.6, 17.7, 59.1], [-5.7, -23.0, 82.6], [1.1, -14.4, 77.6], [3.5, 20.8, 57.2], [6.0, 21.3, 57.0], [-20.4, 18.1, 58.8], [-22.3, 14.8, 60.7], [-30.9, 12.1, 62.3], [4.0, 9.3, 63.9], [-7.4, 7.2, 65.1], [9.0, 21.6, 56.8], [-38.9, 10.3, 63.3], [-12.4, -22.3, 82.1], [-18.2, -21.3, 81.6], [-11.3, -14.9, 77.9], [-8.0, 4.5, 66.7], [-37.3, 13.7, 61.4], [-29.4, 15.7, 60.2], [-29.4, 15.7, 60.2], [-10.4, -12.8, 76.7], [-10.0, -10.3, 75.2], [-9.3, -7.8, 73.8], [-9.7, -5.0, 72.2], [-9.1, -2.6, 70.8], [-8.7, -0.4, 69.5], [-8.3, 2.1, 68.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [72.7, 68.6, 67.5, 69.9, 66.3, 71.3, 75.7, 61.9, 77.2, 74.1, 82.0, 87.3, 61.0, 61.5, 80.8, 61.2, 86.3, 63.4, 85.9, 78.9, 61.0, 61.1, 64.8, 66.4, 70.6, 64.7, 65.9, 61.5, 75.0, 86.0, 86.3, 80.1, 67.3, 73.1, 68.8, 68.8, 78.4, 76.6, 74.7, 73.0, 71.4, 70.1, 68.6] \/nStep 5, find the maximum distance to the drone: 87.3 \/nStep 6, identify the model of this vehicle: octavia",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":799
+    },
+    {
+        "image":"f88ea4c5-DJI_0295.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2091.9, 913.4], [2129.4, 1175.5], [2141.1, 1266.4], [2106.0, 1084.6], [2144.5, 1362.6], [2105.0, 996.0], [2070.9, 757.9], [1702.9, 1974.1], [2061.0, 684.7], [2081.6, 837.5], [1498.5, 534.1], [2202.2, 306.9], [2043.2, 2110.4], [1819.7, 2016.5], [2037.2, 534.6], [1932.8, 2064.1], [2019.1, 331.0], [1312.0, 1956.1], [1809.4, 351.4], [2040.6, 609.7], [2171.4, 2135.3], [2291.1, 2159.6], [1036.4, 1980.4], [980.1, 1801.5], [623.3, 1666.2], [2175.5, 1530.0], [1686.3, 1431.3], [2441.4, 2178.7], [294.1, 1578.3], [1580.4, 372.8], [1382.5, 400.2], [1596.9, 593.6], [1666.4, 1314.1], [314.9, 1744.3], [645.8, 1846.1], [645.8, 1846.1], [1621.8, 662.8], [1630.1, 745.9], [1650.9, 833.1], [1627.8, 931.9], [1643.5, 1021.4], [1652.9, 1107.7], [1662.9, 1212.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.4, -5.5, 72.5], [3.2, 1.2, 68.6], [3.4, 3.4, 67.3], [2.7, -1.0, 69.9], [3.4, 5.7, 66.0], [2.7, -3.3, 71.2], [1.9, -9.9, 75.0], [-6.3, 18.0, 58.9], [1.7, -12.1, 76.3], [2.2, -7.6, 73.7], [-14.3, -16.8, 79.0], [6.1, -24.6, 83.5], [0.9, 20.4, 57.5], [-3.8, 18.8, 58.4], [1.1, -16.8, 79.0], [-1.4, 19.6, 58.0], [0.6, -23.8, 83.0], [-14.6, 17.7, 59.1], [-5.7, -23.0, 82.6], [1.1, -14.4, 77.6], [3.5, 20.8, 57.2], [6.0, 21.3, 57.0], [-20.4, 18.1, 58.8], [-22.3, 14.8, 60.7], [-30.9, 12.1, 62.3], [4.0, 9.3, 63.9], [-7.4, 7.2, 65.1], [9.0, 21.6, 56.8], [-38.9, 10.3, 63.3], [-12.4, -22.3, 82.1], [-18.2, -21.3, 81.6], [-11.3, -14.9, 77.9], [-8.0, 4.5, 66.7], [-37.3, 13.7, 61.4], [-29.4, 15.7, 60.2], [-29.4, 15.7, 60.2], [-10.4, -12.8, 76.7], [-10.0, -10.3, 75.2], [-9.3, -7.8, 73.8], [-9.7, -5.0, 72.2], [-9.1, -2.6, 70.8], [-8.7, -0.4, 69.5], [-8.3, 2.1, 68.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [72.7, 68.6, 67.5, 69.9, 66.3, 71.3, 75.7, 61.9, 77.2, 74.1, 82.0, 87.3, 61.0, 61.5, 80.8, 61.2, 86.3, 63.4, 85.9, 78.9, 61.0, 61.1, 64.8, 66.4, 70.6, 64.7, 65.9, 61.5, 75.0, 86.0, 86.3, 80.1, 67.3, 73.1, 68.8, 68.8, 78.4, 76.6, 74.7, 73.0, 71.4, 70.1, 68.6] \/nStep 5, find the maximum distance to the drone: 87.3 \/nStep 6, calculate the flight time of the drone: 87.3\/18=4.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":800
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Monica said she bought a new orange car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'golden', 'white', 'gray', 'white', 'white', 'black', 'silver', 'blue', 'white', 'gray', 'blue', 'white', 'gray', 'golden', 'white', 'blue', 'black', 'red', 'gray', 'silver', 'white', 'blue'] \/nStep 2, there is no orange car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":801
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":802
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 90. B) 45. C) 30. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":803
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 2312. B) 2812. C) 11812. D) 1812.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-32.6, -18.3, 45.2], [20.2, 11.4, 28.1], [-20.2, 11.4, 28.1], [32.6, -18.3, 45.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1812",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":804
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":4440000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song', 'peugeot 3008', 'volvo s60', 'byd tang', 'toyota corolla', 'bmw 3 series', 'audi a6l', 'byd yuan plus', 'byd dolphin', 'bmw 5 series', 'roewe erx5', 'geely preface', 'byd seal', 'byd qin plus', 'volvo s60', 'cadillac xt4', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3', 'roewe ei5', 'roewe 550', 'ora good cat'] \nStep 2, query all vehicle prices: {'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000} \nStep 3, sum the price of each vehicle: 4440000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":805
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 107.8. B) 4. C) 4.7. D) 4.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.4, 4.8, 4.9, 4.6, 4.7, 5.0, 4.5, 4.1, 5.2, 4.7, 4.8, 4.8, 4.8, 4.8, 4.6, 4.8, 5.0, 4.6, 4.7, 4.6, 4.6, 4.2] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":806
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song', 'peugeot 3008', 'volvo s60', 'byd tang', 'toyota corolla', 'bmw 3 series', 'audi a6l', 'byd yuan plus', 'byd dolphin', 'bmw 5 series', 'roewe erx5', 'geely preface', 'byd seal', 'byd qin plus', 'volvo s60', 'cadillac xt4', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3', 'roewe ei5', 'roewe 550', 'ora good cat'] \nStep 2, query all vehicle prices: {'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000} \nStep 3, calculate the median price of all vehicles: 205000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":807
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.4, 4.8, 4.9, 4.6, 4.7, 5.0, 4.5, 4.1, 5.2, 4.7, 4.8, 4.8, 4.8, 4.8, 4.6, 4.8, 5.0, 4.6, 4.7, 4.6, 4.6, 4.2] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":808
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"A) 193043. B) 475000. C) 20000. D) 205000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song', 'peugeot 3008', 'volvo s60', 'byd tang', 'toyota corolla', 'bmw 3 series', 'audi a6l', 'byd yuan plus', 'byd dolphin', 'bmw 5 series', 'roewe erx5', 'geely preface', 'byd seal', 'byd qin plus', 'volvo s60', 'cadillac xt4', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3', 'roewe ei5', 'roewe 550', 'ora good cat'] \nStep 2, query all vehicle prices: {'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":809
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) red. B) orange. C) white. D) blue.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'golden', 'white', 'gray', 'white', 'white', 'black', 'silver', 'blue', 'white', 'gray', 'blue', 'white', 'gray', 'golden', 'white', 'blue', 'black', 'red', 'gray', 'silver', 'white', 'blue'] \/nStep 2, count vehicles for each color: {'gray': 5, 'golden': 2, 'white': 7, 'black': 2, 'silver': 2, 'blue': 4, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":810
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'mid-size', 'suv', 'compact', 'mid-size', 'full-size', 'suv', 'subcompact', 'full-size', 'suv', 'compact', 'sedan', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'compact', 'compact', 'subcompact'] \nStep 2, identify the color of mid-size vehicles: ['white', 'white', 'golden', 'black', 'gray'] \nStep 3, count mid-size vehicles for each color: {'white': 2, 'golden': 1, 'black': 1, 'gray': 1} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":811
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 26 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 23 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 26-23=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":812
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'golden', 'white', 'gray', 'white', 'white', 'black', 'silver', 'blue', 'white', 'gray', 'blue', 'white', 'gray', 'golden', 'white', 'blue', 'black', 'red', 'gray', 'silver', 'white', 'blue'] \/nStep 2, count all gray vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":813
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song', 'peugeot 3008', 'volvo s60', 'byd tang', 'toyota corolla', 'bmw 3 series', 'audi a6l', 'byd yuan plus', 'byd dolphin', 'bmw 5 series', 'roewe erx5', 'geely preface', 'byd seal', 'byd qin plus', 'volvo s60', 'cadillac xt4', 'bmw x4', 'byd han', 'buick envision', 'tesla model 3', 'roewe ei5', 'roewe 550', 'ora good cat'] \nStep 2, query all vehicle prices: {'byd song': 55000, 'peugeot 3008': 40000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000} \nStep 3, count vehicles priced above 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":814
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many silver full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) -1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'golden', 'white', 'gray', 'white', 'white', 'black', 'silver', 'blue', 'white', 'gray', 'blue', 'white', 'gray', 'golden', 'white', 'blue', 'black', 'red', 'gray', 'silver', 'white', 'blue'] \nStep 2, identify the type of silver vehicles: ['suv', 'compact'] \nStep 3, count silver full-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":815
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"5 series",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1869.7, 1883.6], [1887.6, 2131.0], [1808.6, 1670.1], [3339.8, 1966.3], [3002.8, 1813.5], [1768.8, 1464.5], [1732.6, 1264.2], [1677.2, 911.9], [1581.3, 300.8], [1536.7, 109.5], [1589.5, 436.3], [1701.6, 1086.3], [1617.0, 597.1], [1658.1, 748.0], [2877.5, 1606.4], [2581.4, 785.3], [2779.2, 1372.9], [2704.6, 1179.1], [2639.9, 958.4], [2437.0, 459.0], [2509.5, 628.4], [2417.0, 316.3], [2330.7, 160.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.4, 8.2, 29.9], [-1.2, 10.4, 28.6], [-2.1, 6.1, 31.1], [14.2, 8.9, 29.5], [11.0, 7.5, 30.3], [-2.7, 4.0, 32.4], [-3.2, 1.7, 33.7], [-4.2, -2.8, 36.2], [-6.3, -12.4, 41.8], [-7.3, -16.1, 43.9], [-6.0, -10.0, 40.4], [-3.8, -0.5, 34.9], [-5.4, -7.4, 38.9], [-4.6, -5.1, 37.6], [10.0, 5.5, 31.5], [7.8, -4.6, 37.3], [9.3, 2.9, 32.9], [8.7, 0.7, 34.3], [8.3, -2.2, 35.9], [6.3, -9.7, 40.2], [7.1, -6.9, 38.6], [6.3, -12.1, 41.6], [5.2, -15.1, 43.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [31.0, 30.5, 31.8, 33.9, 33.1, 32.7, 33.9, 36.6, 44.1, 47.3, 42.1, 35.1, 40.0, 38.2, 33.5, 38.4, 34.3, 35.3, 36.9, 41.8, 39.9, 43.8, 46.2] \/nStep 5, find the maximum distance to the drone: 47.3 \/nStep 6, identify the model of this vehicle: 5 series",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":816
+    },
+    {
+        "image":"87a0c451-DJI_0308.JPG",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1869.7, 1883.6], [1887.6, 2131.0], [1808.6, 1670.1], [3339.8, 1966.3], [3002.8, 1813.5], [1768.8, 1464.5], [1732.6, 1264.2], [1677.2, 911.9], [1581.3, 300.8], [1536.7, 109.5], [1589.5, 436.3], [1701.6, 1086.3], [1617.0, 597.1], [1658.1, 748.0], [2877.5, 1606.4], [2581.4, 785.3], [2779.2, 1372.9], [2704.6, 1179.1], [2639.9, 958.4], [2437.0, 459.0], [2509.5, 628.4], [2417.0, 316.3], [2330.7, 160.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-1.4, 8.2, 29.9], [-1.2, 10.4, 28.6], [-2.1, 6.1, 31.1], [14.2, 8.9, 29.5], [11.0, 7.5, 30.3], [-2.7, 4.0, 32.4], [-3.2, 1.7, 33.7], [-4.2, -2.8, 36.2], [-6.3, -12.4, 41.8], [-7.3, -16.1, 43.9], [-6.0, -10.0, 40.4], [-3.8, -0.5, 34.9], [-5.4, -7.4, 38.9], [-4.6, -5.1, 37.6], [10.0, 5.5, 31.5], [7.8, -4.6, 37.3], [9.3, 2.9, 32.9], [8.7, 0.7, 34.3], [8.3, -2.2, 35.9], [6.3, -9.7, 40.2], [7.1, -6.9, 38.6], [6.3, -12.1, 41.6], [5.2, -15.1, 43.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [31.0, 30.5, 31.8, 33.9, 33.1, 32.7, 33.9, 36.6, 44.1, 47.3, 42.1, 35.1, 40.0, 38.2, 33.5, 38.4, 34.3, 35.3, 36.9, 41.8, 39.9, 43.8, 46.2] \/nStep 5, find the maximum distance to the drone: 47.3 \/nStep 6, calculate the flight time of the drone: 47.3\/10=4.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":817
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Rachel said she bought a new green car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'black', 'silver', 'black', 'blue', 'brown'] \/nStep 2, there is no green car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":818
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":819
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":820
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":1869,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":821
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":1095000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'buick regal', 'volkswagen tiguan l', 'toyota camry', 'ford taurus', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 1095000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":822
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.9, 4.7, 4.9, 5.0, 4.9, 4.6] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":823
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.9, 4.7, 4.9, 5.0, 4.9, 4.6] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":824
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.0. B) 33.7. C) 4.6. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.9, 4.7, 4.9, 5.0, 4.9, 4.6] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":825
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"A) 190000. B) 225000. C) 156428. D) 50000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'buick regal', 'volkswagen tiguan l', 'toyota camry', 'ford taurus', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":826
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'black', 'silver', 'black', 'blue', 'brown'] \/nStep 2, count vehicles for each color: {'white': 1, 'red': 1, 'black': 2, 'silver': 1, 'blue': 1, 'brown': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":827
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 16 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 9. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 16-7=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":828
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 2. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'suv'] \/nStep 2, count all mid-size vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":829
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'buick regal', 'volkswagen tiguan l', 'toyota camry', 'ford taurus', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, count vehicles priced above 300000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":830
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many white suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'black', 'silver', 'black', 'blue', 'brown'] \nStep 2, identify the type of white vehicles: ['suv'] \nStep 3, count white suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":831
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2589.3, 1150.8], [2825.9, 1844.3], [2652.0, 1323.9], [2712.5, 1505.2], [2788.6, 1674.2], [2894.9, 2015.4], [2972.7, 2168.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.5, 0.4, 40.0], [11.9, 10.4, 40.0], [9.4, 2.9, 40.0], [10.3, 5.5, 40.0], [11.4, 7.9, 40.0], [12.9, 12.8, 40.0], [14.0, 15.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.9, 43.0, 41.2, 41.7, 42.3, 43.9, 45.0] \/nStep 5, find the minimum distance to the drone: 40.9 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":832
+    },
+    {
+        "image":"f33af477-DJI_0330.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2589.3, 1150.8], [2825.9, 1844.3], [2652.0, 1323.9], [2712.5, 1505.2], [2788.6, 1674.2], [2894.9, 2015.4], [2972.7, 2168.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.5, 0.4, 40.0], [11.9, 10.4, 40.0], [9.4, 2.9, 40.0], [10.3, 5.5, 40.0], [11.4, 7.9, 40.0], [12.9, 12.8, 40.0], [14.0, 15.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.9, 43.0, 41.2, 41.7, 42.3, 43.9, 45.0] \/nStep 5, find the minimum distance to the drone: 40.9 \/nStep 6, calculate the flight time of the drone: 40.9\/18=2.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":833
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'blue', 'gray', 'white', 'white', 'black', 'white', 'black', 'black', 'blue', 'red'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":834
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":835
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 30. B) 90. C) 60. D) 70.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":836
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 11869. B) 1869. C) 6869. D) 2369.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":837
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000}",
+        "choices":"",
+        "answer":2010000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'buick velite 5', 'byd tang', 'byd song plus', 'volvo s60', 'volkswagen magotan', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volkswagen touareg', 'bmw 1 series', 'buick regal'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000} \nStep 3, sum the price of each vehicle: 2010000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":838
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000}",
+        "choices":"A) 187500. B) 230000. C) 167500. D) 165000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'buick velite 5', 'byd tang', 'byd song plus', 'volvo s60', 'volkswagen magotan', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volkswagen touareg', 'bmw 1 series', 'buick regal'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000} \nStep 3, calculate the average price of all vehicles: 167500",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":839
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.9, 4.8, 4.8, 5.0, 4.8, 4.9, 4.7, 5.1, 4.5, 4.9] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":840
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000}",
+        "choices":"A) 165000. B) 40000. C) 230000. D) 187500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'buick velite 5', 'byd tang', 'byd song plus', 'volvo s60', 'volkswagen magotan', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volkswagen touareg', 'bmw 1 series', 'buick regal'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":841
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000}",
+        "choices":"A) 167500. B) 40000. C) 165000. D) 187500.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'buick velite 5', 'byd tang', 'byd song plus', 'volvo s60', 'volkswagen magotan', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volkswagen touareg', 'bmw 1 series', 'buick regal'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":842
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) pink. C) silver. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'blue', 'gray', 'white', 'white', 'black', 'white', 'black', 'black', 'blue', 'red'] \/nStep 2, count vehicles for each color: {'brown': 1, 'white': 4, 'blue': 2, 'gray': 1, 'black': 3, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":843
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 12 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 12-8=4",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":844
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'blue', 'gray', 'white', 'white', 'black', 'white', 'black', 'black', 'blue', 'red'] \/nStep 2, count all brown vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":845
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000}",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'buick velite 5', 'byd tang', 'byd song plus', 'volvo s60', 'volkswagen magotan', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volkswagen touareg', 'bmw 1 series', 'buick regal'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'buick regal': 165000} \nStep 3, count vehicles priced below 300000 RMB: 12",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":846
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'blue', 'gray', 'white', 'white', 'black', 'white', 'black', 'black', 'blue', 'red'] \nStep 2, identify the type of blue vehicles: ['suv', 'compact'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":847
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"touareg",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2301.5, 381.9], [2547.9, 1128.8], [2225.1, 218.1], [2392.5, 770.5], [2865.9, 1957.7], [2818.2, 1803.8], [2759.6, 1630.4], [2608.8, 1297.6], [2333.8, 584.5], [2464.1, 949.9], [2271.9, 1935.1], [2159.6, 49.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.3, -10.7, 40.0], [7.9, 0.1, 40.0], [3.2, -13.1, 40.0], [5.7, -5.1, 40.0], [12.5, 12.0, 40.0], [11.8, 9.8, 40.0], [11.0, 7.3, 40.0], [8.8, 2.5, 40.0], [4.8, -7.8, 40.0], [6.7, -2.5, 40.0], [3.9, 11.7, 40.0], [2.3, -15.5, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.6, 40.8, 42.2, 40.7, 43.6, 42.8, 42.1, 41.0, 41.0, 40.6, 41.9, 43.0] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, identify the model of this vehicle: touareg",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":848
+    },
+    {
+        "image":"a15c498a-DJI_0331.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2301.5, 381.9], [2547.9, 1128.8], [2225.1, 218.1], [2392.5, 770.5], [2865.9, 1957.7], [2818.2, 1803.8], [2759.6, 1630.4], [2608.8, 1297.6], [2333.8, 584.5], [2464.1, 949.9], [2271.9, 1935.1], [2159.6, 49.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[4.3, -10.7, 40.0], [7.9, 0.1, 40.0], [3.2, -13.1, 40.0], [5.7, -5.1, 40.0], [12.5, 12.0, 40.0], [11.8, 9.8, 40.0], [11.0, 7.3, 40.0], [8.8, 2.5, 40.0], [4.8, -7.8, 40.0], [6.7, -2.5, 40.0], [3.9, 11.7, 40.0], [2.3, -15.5, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.6, 40.8, 42.2, 40.7, 43.6, 42.8, 42.1, 41.0, 41.0, 40.6, 41.9, 43.0] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, calculate the flight time of the drone: 40.6\/16=2.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":849
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new blue car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'black', 'white', 'blue', 'blue'] \/nStep 2, there is an blue car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":850
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":851
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 90. B) 30. C) 80. D) 60.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":852
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 1869. B) 3869. C) 2869. D) 2369.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":853
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":1155000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'mercedes-benz eqc', 'volvo s60', 'volkswagen lavida', 'honda accord', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, sum the price of each vehicle: 1155000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":854
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 230000. B) 172500. C) 345000. D) 172500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'black', 'white', 'blue', 'blue'] \nStep 2, identify the model of blue vehicles: ['audi a4l', 'bmw 1 series'] \nStep 3, query vehicle prices: {'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 4, sum the price of each blue vehicle: 345000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":855
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 185000. B) 75000. C) 345000. D) 165000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'mercedes-benz eqc', 'volvo s60', 'volkswagen lavida', 'honda accord', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, calculate the average price of all vehicles: 165000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":856
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.0. B) 4. C) 4.5. D) 4.8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.8, 4.8, 4.7, 5.0, 4.9, 4.5] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":857
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'mercedes-benz eqc', 'volvo s60', 'volkswagen lavida', 'honda accord', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":858
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 75000. B) 165000. C) 345000. D) 185000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'mercedes-benz eqc', 'volvo s60', 'volkswagen lavida', 'honda accord', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":859
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) orange. C) silver. D) yellow.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'black', 'white', 'blue', 'blue'] \/nStep 2, count vehicles for each color: {'white': 3, 'black': 2, 'blue': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":860
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 14 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 14-7=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":861
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'black', 'white', 'blue', 'blue'] \/nStep 2, count all blue vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":862
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'mercedes-benz eqc', 'volvo s60', 'volkswagen lavida', 'honda accord', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, count vehicles priced below 300000 RMB: 7",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":863
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'black', 'white', 'blue', 'blue'] \nStep 2, identify the type of black vehicles: ['mid-size', 'compact'] \nStep 3, count black compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":864
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"mercedes-benz",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2086.3, 362.3], [2027.1, 175.1], [2129.0, 521.7], [1912.7, 1459.6], [2063.9, 1824.2], [2005.7, 1638.2], [1530.7, 499.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.2, -11.0, 40.0], [0.4, -13.7, 40.0], [1.9, -8.7, 40.0], [-1.3, 4.8, 40.0], [0.9, 10.1, 40.0], [0.1, 7.4, 40.0], [-6.8, -9.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.5, 42.3, 41.0, 40.3, 41.3, 40.7, 41.6] \/nStep 5, find the maximum distance to the drone: 42.3 \/nStep 6, identify the brand of this vehicle: mercedes-benz",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":865
+    },
+    {
+        "image":"1cd4e67b-DJI_0332.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2086.3, 362.3], [2027.1, 175.1], [2129.0, 521.7], [1912.7, 1459.6], [2063.9, 1824.2], [2005.7, 1638.2], [1530.7, 499.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.2, -11.0, 40.0], [0.4, -13.7, 40.0], [1.9, -8.7, 40.0], [-1.3, 4.8, 40.0], [0.9, 10.1, 40.0], [0.1, 7.4, 40.0], [-6.8, -9.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.5, 42.3, 41.0, 40.3, 41.3, 40.7, 41.6] \/nStep 5, find the maximum distance to the drone: 42.3 \/nStep 6, calculate the flight time of the drone: 42.3\/18=2.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":866
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new white car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'white', 'black', 'white', 'gray', 'white', 'black', 'blue', 'black', 'blue'] \/nStep 2, there is an white car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":867
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 110. B) 60. C) 80. D) 120.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":868
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"A) 70. B) 90. C) 45. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":869
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 7477. B) 12477. C) 8477. D) 7977.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":870
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":1850000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'buick velite 5', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volvo s60', 'byd song plus', 'honda accord', 'volkswagen touareg', 'bmw 1 series', 'volkswagen lavida', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000} \nStep 3, sum the price of each vehicle: 1850000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":871
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":345000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'white', 'black', 'white', 'gray', 'white', 'black', 'blue', 'black', 'blue'] \nStep 2, identify the model of blue vehicles: ['bmw 1 series', 'audi a4l'] \nStep 3, query vehicle prices: {'bmw 1 series': 115000, 'audi a4l': 230000} \nStep 4, sum the price of each blue vehicle: 345000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":872
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":154166,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'buick velite 5', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volvo s60', 'byd song plus', 'honda accord', 'volkswagen touareg', 'bmw 1 series', 'volkswagen lavida', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000} \nStep 3, calculate the average price of all vehicles: 154166",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":873
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'buick velite 5', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volvo s60', 'byd song plus', 'honda accord', 'volkswagen touareg', 'bmw 1 series', 'volkswagen lavida', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000} \nStep 3, calculate the median price of all vehicles: 170000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":874
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"A) 230000. B) 40000. C) 154166. D) 170000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'buick velite 5', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volvo s60', 'byd song plus', 'honda accord', 'volkswagen touareg', 'bmw 1 series', 'volkswagen lavida', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":875
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.6, 4.8, 4.9, 4.7, 4.8, 4.8, 5.0, 5.1, 4.5, 4.7, 4.9] \nStep 5, find the minimum length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":876
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) green. C) silver. D) purple.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'white', 'black', 'white', 'gray', 'white', 'black', 'blue', 'black', 'blue'] \/nStep 2, count vehicles for each color: {'white': 5, 'black': 4, 'gray': 1, 'blue': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":877
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) purple. C) golden. D) brown.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'compact', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['white', 'black', 'black', 'white', 'white', 'blue'] \nStep 3, count mid-size vehicles for each color: {'white': 3, 'black': 2, 'blue': 1} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":878
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 9 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 9. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 12 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 12-9=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":879
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 3. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'compact', 'compact', 'mid-size'] \/nStep 2, count all compact vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":880
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"A) 1. B) 0. C) 3. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen magotan', 'buick velite 5', 'mercedes-benz eqc', 'byd tang', 'mazda 6', 'volvo s60', 'byd song plus', 'honda accord', 'volkswagen touareg', 'bmw 1 series', 'volkswagen lavida', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'mazda 6': 40000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":881
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'white', 'black', 'white', 'gray', 'white', 'black', 'blue', 'black', 'blue'] \nStep 2, identify the type of blue vehicles: ['compact', 'mid-size'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":882
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2072.4, 677.5], [1947.5, 326.0], [2044.8, 584.7], [1975.3, 412.7], [1845.1, 43.1], [2091.1, 757.0], [1872.1, 136.8], [2045.0, 1396.8], [1905.0, 229.1], [1800.0, 736.8], [1977.2, 1213.1], [2016.9, 1304.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.1, -12.9, 80.0], [-1.5, -23.0, 80.0], [1.3, -15.6, 80.0], [-0.7, -20.5, 80.0], [-4.5, -31.2, 80.0], [2.6, -10.6, 80.0], [-3.7, -28.5, 80.0], [1.3, 7.8, 80.0], [-2.7, -25.8, 80.0], [-5.8, -11.2, 80.0], [-0.7, 2.5, 80.0], [0.5, 5.2, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.1, 83.3, 81.5, 82.6, 86.0, 80.7, 85.0, 80.4, 84.1, 81.0, 80.0, 80.2] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":883
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2072.4, 677.5], [1947.5, 326.0], [2044.8, 584.7], [1975.3, 412.7], [1845.1, 43.1], [2091.1, 757.0], [1872.1, 136.8], [2045.0, 1396.8], [1905.0, 229.1], [1800.0, 736.8], [1977.2, 1213.1], [2016.9, 1304.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[2.1, -12.9, 80.0], [-1.5, -23.0, 80.0], [1.3, -15.6, 80.0], [-0.7, -20.5, 80.0], [-4.5, -31.2, 80.0], [2.6, -10.6, 80.0], [-3.7, -28.5, 80.0], [1.3, 7.8, 80.0], [-2.7, -25.8, 80.0], [-5.8, -11.2, 80.0], [-0.7, 2.5, 80.0], [0.5, 5.2, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.1, 83.3, 81.5, 82.6, 86.0, 80.7, 85.0, 80.4, 84.1, 81.0, 80.0, 80.2] \/nStep 5, find the minimum distance to the drone: 80.0 \/nStep 6, calculate the flight time of the drone: 80.0\/10=8.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":12,
+        "region":"image-level",
+        "qid":884
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Monica said she bought a new yellow car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'brown', 'white', 'white', 'white', 'black', 'white', 'silver', 'black', 'black', 'blue', 'red', 'black', 'blue', 'yellow', 'blue', 'yellow'] \/nStep 2, there is an yellow car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":885
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 120. B) 80. C) 110. D) 60.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":886
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 80. B) 30. C) 70. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":887
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":16823,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":888
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":2585000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'volkswagen magotan', 'buick velite 5', 'roewe erx5', 'volkswagen touareg', 'volvo s60', 'toyota camry', 'mercedes-benz eqc', 'volkswagen tiguan l', 'byd tang', 'buick regal', 'ford taurus', 'bmw 1 series', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 2585000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":889
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":745000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'brown', 'white', 'white', 'white', 'black', 'white', 'silver', 'black', 'black', 'blue', 'red', 'black', 'blue', 'yellow', 'blue', 'yellow'] \nStep 2, identify the model of white vehicles: ['byd tang', 'volkswagen magotan', 'buick velite 5', 'roewe erx5', 'volvo s60'] \nStep 3, query vehicle prices: {'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volvo s60': 230000} \nStep 4, sum the price of each white vehicle: 745000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":890
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 136052. B) 25000. C) 230000. D) 155000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'volkswagen magotan', 'buick velite 5', 'roewe erx5', 'volkswagen touareg', 'volvo s60', 'toyota camry', 'mercedes-benz eqc', 'volkswagen tiguan l', 'byd tang', 'buick regal', 'ford taurus', 'bmw 1 series', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, calculate the average price of all vehicles: 136052",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":891
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.8, 4.6, 5.0, 4.6, 4.7, 5.1, 4.8, 4.9, 4.8, 4.7, 4.9, 4.9, 5.0, 4.5, 2.5, 2.5, 2.5] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":892
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.8, 4.6, 5.0, 4.6, 4.7, 5.1, 4.8, 4.9, 4.8, 4.7, 4.9, 4.9, 5.0, 4.5, 2.5, 2.5, 2.5] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":893
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 4.8, 4.6, 5.0, 4.6, 4.7, 5.1, 4.8, 4.9, 4.8, 4.7, 4.9, 4.9, 5.0, 4.5, 2.5, 2.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":894
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 8. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 19 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 19-11=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":895
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'brown', 'white', 'white', 'white', 'black', 'white', 'silver', 'black', 'black', 'blue', 'red', 'black', 'blue', 'yellow', 'blue', 'yellow'] \/nStep 2, count all gray vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":896
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 1. B) 2. C) 3. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'volkswagen magotan', 'buick velite 5', 'roewe erx5', 'volkswagen touareg', 'volvo s60', 'toyota camry', 'mercedes-benz eqc', 'volkswagen tiguan l', 'byd tang', 'buick regal', 'ford taurus', 'bmw 1 series', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced above 300000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":897
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many gray compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) -1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'brown', 'white', 'white', 'white', 'black', 'white', 'silver', 'black', 'black', 'blue', 'red', 'black', 'blue', 'yellow', 'blue', 'yellow'] \nStep 2, identify the type of gray vehicles: ['suv'] \nStep 3, count gray compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":898
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"baojun",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2328.3, 1802.8], [2238.4, 1568.0], [2258.2, 1630.0], [2227.6, 1506.2], [2396.9, 1971.5], [2308.7, 1746.3], [2108.1, 1166.2], [2282.9, 1688.4], [2414.1, 2022.3], [2144.2, 1283.9], [2378.1, 1915.0], [2126.6, 1224.8], [2203.2, 1454.5], [2184.7, 1397.9], [2168.9, 1341.2], [2217.0, 2016.5], [1132.1, 633.7], [1236.0, 521.8], [659.2, 814.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.2, 29.3, 120.0], [10.3, 19.2, 120.0], [11.2, 21.8, 120.0], [9.8, 16.5, 120.0], [17.2, 36.6, 120.0], [13.4, 26.9, 120.0], [4.7, 1.8, 120.0], [12.2, 24.4, 120.0], [17.9, 38.8, 120.0], [6.2, 6.9, 120.0], [16.4, 34.2, 120.0], [5.5, 4.3, 120.0], [8.8, 14.3, 120.0], [8.0, 11.8, 120.0], [7.3, 9.4, 120.0], [9.4, 38.6, 120.0], [-37.5, -21.2, 120.0], [-33.0, -26.1, 120.0], [-58.0, -13.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [124.3, 122.0, 122.5, 121.5, 126.6, 123.7, 120.1, 123.1, 127.4, 120.4, 125.8, 120.2, 121.2, 120.8, 120.6, 126.4, 127.5, 127.2, 134.0] \/nStep 5, find the maximum distance to the drone: 134.0 \/nStep 6, identify the brand of this vehicle: baojun",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":899
+    },
+    {
+        "image":"c8577e8f-DJI_0336.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2328.3, 1802.8], [2238.4, 1568.0], [2258.2, 1630.0], [2227.6, 1506.2], [2396.9, 1971.5], [2308.7, 1746.3], [2108.1, 1166.2], [2282.9, 1688.4], [2414.1, 2022.3], [2144.2, 1283.9], [2378.1, 1915.0], [2126.6, 1224.8], [2203.2, 1454.5], [2184.7, 1397.9], [2168.9, 1341.2], [2217.0, 2016.5], [1132.1, 633.7], [1236.0, 521.8], [659.2, 814.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[14.2, 29.3, 120.0], [10.3, 19.2, 120.0], [11.2, 21.8, 120.0], [9.8, 16.5, 120.0], [17.2, 36.6, 120.0], [13.4, 26.9, 120.0], [4.7, 1.8, 120.0], [12.2, 24.4, 120.0], [17.9, 38.8, 120.0], [6.2, 6.9, 120.0], [16.4, 34.2, 120.0], [5.5, 4.3, 120.0], [8.8, 14.3, 120.0], [8.0, 11.8, 120.0], [7.3, 9.4, 120.0], [9.4, 38.6, 120.0], [-37.5, -21.2, 120.0], [-33.0, -26.1, 120.0], [-58.0, -13.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [124.3, 122.0, 122.5, 121.5, 126.6, 123.7, 120.1, 123.1, 127.4, 120.4, 125.8, 120.2, 121.2, 120.8, 120.6, 126.4, 127.5, 127.2, 134.0] \/nStep 5, find the maximum distance to the drone: 134.0 \/nStep 6, calculate the flight time of the drone: 134.0\/16=8.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":900
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Rachel said she bought a new purple car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'white', 'black', 'white', 'brown', 'white', 'black', 'white', 'blue', 'black', 'white', 'black', 'silver', 'blue', 'black', 'red', 'black', 'yellow', 'yellow', 'blue', 'blue'] \/nStep 2, there is no purple car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":901
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 40. B) 120. C) 30. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":902
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 30. B) 90. C) 70. D) 60.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":903
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":16823,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":904
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"A) 906. B) 604. C) 151. D) 3020000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd song plus', 'roewe erx5', 'mazda 6', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'volkswagen touareg', 'volvo s60', 'audi a4l', 'volkswagen lavida', 'honda accord', 'volkswagen tiguan l', 'toyota camry', 'byd tang', 'mercedes-benz eqc', 'buick regal', 'ford taurus', 'baojun e100', 'baojun e100', 'bmw 1 series', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000} \nStep 3, sum the price of each vehicle: 3020000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":905
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":785000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'white', 'black', 'white', 'brown', 'white', 'black', 'white', 'blue', 'black', 'white', 'black', 'silver', 'blue', 'black', 'red', 'black', 'yellow', 'yellow', 'blue', 'blue'] \nStep 2, identify the model of black vehicles: ['mazda 6', 'volkswagen touareg', 'volkswagen lavida', 'volkswagen tiguan l', 'mercedes-benz eqc', 'ford taurus'] \nStep 3, query vehicle prices: {'mazda 6': 40000, 'volkswagen touareg': 225000, 'volkswagen lavida': 75000, 'volkswagen tiguan l': 155000, 'mercedes-benz eqc': 185000, 'ford taurus': 105000} \nStep 4, sum the price of each black vehicle: 785000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":906
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":137272,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd song plus', 'roewe erx5', 'mazda 6', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'volkswagen touareg', 'volvo s60', 'audi a4l', 'volkswagen lavida', 'honda accord', 'volkswagen tiguan l', 'toyota camry', 'byd tang', 'mercedes-benz eqc', 'buick regal', 'ford taurus', 'baojun e100', 'baojun e100', 'bmw 1 series', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000} \nStep 3, calculate the average price of all vehicles: 137272",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":907
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":155000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd song plus', 'roewe erx5', 'mazda 6', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'volkswagen touareg', 'volvo s60', 'audi a4l', 'volkswagen lavida', 'honda accord', 'volkswagen tiguan l', 'toyota camry', 'byd tang', 'mercedes-benz eqc', 'buick regal', 'ford taurus', 'baojun e100', 'baojun e100', 'bmw 1 series', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000} \nStep 3, calculate the median price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":908
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.8, 4.7, 4.7, 5.0, 4.6, 4.6, 5.1, 4.8, 4.9, 4.7, 5.0, 4.7, 4.9, 4.9, 4.8, 4.9, 5.0, 2.5, 2.5, 4.5, 2.5] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":909
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4.8. B) 98.7. C) 5.1. D) 2.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.8, 4.7, 4.7, 5.0, 4.6, 4.6, 5.1, 4.8, 4.9, 4.7, 5.0, 4.7, 4.9, 4.9, 4.8, 4.9, 5.0, 2.5, 2.5, 4.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":910
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 32 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 4. B) 10. C) 3. D) 5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 22 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 32-22=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":911
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'white', 'black', 'white', 'brown', 'white', 'black', 'white', 'blue', 'black', 'white', 'black', 'silver', 'blue', 'black', 'red', 'black', 'yellow', 'yellow', 'blue', 'blue'] \/nStep 2, count all brown vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":912
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd song plus', 'roewe erx5', 'mazda 6', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'volkswagen touareg', 'volvo s60', 'audi a4l', 'volkswagen lavida', 'honda accord', 'volkswagen tiguan l', 'toyota camry', 'byd tang', 'mercedes-benz eqc', 'buick regal', 'ford taurus', 'baojun e100', 'baojun e100', 'bmw 1 series', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000} \nStep 3, count vehicles priced above 300000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":913
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'gray', 'white', 'black', 'white', 'brown', 'white', 'black', 'white', 'blue', 'black', 'white', 'black', 'silver', 'blue', 'black', 'red', 'black', 'yellow', 'yellow', 'blue', 'blue'] \nStep 2, identify the type of black vehicles: ['mid-size', 'suv', 'compact', 'suv', 'mid-size', 'mid-size'] \nStep 3, count black compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":914
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) xc60. B) i5. C) e100. D) ix25.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2284.7, 1321.7], [2213.5, 1148.7], [2064.9, 677.5], [2194.5, 1087.4], [2353.5, 1491.6], [2182.3, 1025.0], [2264.2, 1266.0], [2236.9, 1207.5], [2368.0, 1543.0], [2326.5, 1911.3], [2298.3, 1850.3], [2349.1, 1974.1], [2084.9, 737.4], [2107.2, 798.1], [2160.7, 971.3], [2334.8, 1433.0], [2140.8, 916.0], [2122.8, 859.4], [1075.6, 130.0], [596.3, 312.9], [2171.5, 1531.8], [1184.2, 21.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[12.3, 8.5, 120.0], [9.2, 1.0, 120.0], [2.8, -19.4, 120.0], [8.4, -1.6, 120.0], [15.3, 15.9, 120.0], [7.9, -4.3, 120.0], [11.4, 6.1, 120.0], [10.2, 3.6, 120.0], [15.9, 18.1, 120.0], [14.1, 34.0, 120.0], [12.9, 31.4, 120.0], [15.1, 36.7, 120.0], [3.7, -16.8, 120.0], [4.6, -14.1, 120.0], [7.0, -6.6, 120.0], [14.5, 13.3, 120.0], [6.1, -9.0, 120.0], [5.3, -11.5, 120.0], [-40.0, -43.0, 120.0], [-60.7, -35.1, 120.0], [7.4, 17.6, 120.0], [-35.3, -47.7, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.9, 120.4, 121.6, 120.3, 122.0, 120.3, 120.7, 120.5, 122.4, 125.5, 124.7, 126.4, 121.2, 120.9, 120.4, 121.6, 120.5, 120.7, 133.6, 139.0, 121.5, 133.9] \/nStep 5, find the maximum distance to the drone: 139.0 \/nStep 6, identify the model of this vehicle: e100",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":915
+    },
+    {
+        "image":"b29e8ce4-DJI_0337.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2284.7, 1321.7], [2213.5, 1148.7], [2064.9, 677.5], [2194.5, 1087.4], [2353.5, 1491.6], [2182.3, 1025.0], [2264.2, 1266.0], [2236.9, 1207.5], [2368.0, 1543.0], [2326.5, 1911.3], [2298.3, 1850.3], [2349.1, 1974.1], [2084.9, 737.4], [2107.2, 798.1], [2160.7, 971.3], [2334.8, 1433.0], [2140.8, 916.0], [2122.8, 859.4], [1075.6, 130.0], [596.3, 312.9], [2171.5, 1531.8], [1184.2, 21.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[12.3, 8.5, 120.0], [9.2, 1.0, 120.0], [2.8, -19.4, 120.0], [8.4, -1.6, 120.0], [15.3, 15.9, 120.0], [7.9, -4.3, 120.0], [11.4, 6.1, 120.0], [10.2, 3.6, 120.0], [15.9, 18.1, 120.0], [14.1, 34.0, 120.0], [12.9, 31.4, 120.0], [15.1, 36.7, 120.0], [3.7, -16.8, 120.0], [4.6, -14.1, 120.0], [7.0, -6.6, 120.0], [14.5, 13.3, 120.0], [6.1, -9.0, 120.0], [5.3, -11.5, 120.0], [-40.0, -43.0, 120.0], [-60.7, -35.1, 120.0], [7.4, 17.6, 120.0], [-35.3, -47.7, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [120.9, 120.4, 121.6, 120.3, 122.0, 120.3, 120.7, 120.5, 122.4, 125.5, 124.7, 126.4, 121.2, 120.9, 120.4, 121.6, 120.5, 120.7, 133.6, 139.0, 121.5, 133.9] \/nStep 5, find the maximum distance to the drone: 139.0 \/nStep 6, calculate the flight time of the drone: 139.0\/18=7.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":916
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Phoebe said she bought a new green car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'black', 'white', 'blue', 'black', 'white', 'black', 'red', 'black', 'blue', 'blue'] \/nStep 2, there is no green car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":917
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":918
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 45. B) 70. C) 90. D) 60.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":919
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":16823,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":920
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":2945000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'byd tang', 'byd song plus', 'buick velite 5', 'volvo s60', 'volkswagen magotan', 'volkswagen touareg', 'mercedes-benz eqc', 'toyota camry', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen tiguan l', 'honda accord', 'volkswagen lavida', 'buick regal', 'ford taurus', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, sum the price of each vehicle: 2945000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":921
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":875000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'black', 'white', 'blue', 'black', 'white', 'black', 'red', 'black', 'blue', 'blue'] \nStep 2, identify the model of white vehicles: ['byd tang', 'buick velite 5', 'volvo s60', 'volkswagen magotan', 'roewe erx5', 'honda accord'] \nStep 3, query vehicle prices: {'byd tang': 225000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'honda accord': 130000} \nStep 4, sum the price of each white vehicle: 875000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":922
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.1. B) 4. C) 4.5. D) 4.8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.9, 4.8, 4.6, 4.8, 5.0, 5.1, 4.8, 4.9, 4.7, 4.7, 4.9, 4.7, 5.0, 4.7, 4.9, 5.0, 4.9, 4.5] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":923
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":165000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'byd tang', 'byd song plus', 'buick velite 5', 'volvo s60', 'volkswagen magotan', 'volkswagen touareg', 'mercedes-benz eqc', 'toyota camry', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen tiguan l', 'honda accord', 'volkswagen lavida', 'buick regal', 'ford taurus', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, calculate the median price of all vehicles: 165000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":924
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.9, 4.8, 4.6, 4.8, 5.0, 5.1, 4.8, 4.9, 4.7, 4.7, 4.9, 4.7, 5.0, 4.7, 4.9, 5.0, 4.9, 4.5] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":925
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'byd tang', 'byd song plus', 'buick velite 5', 'volvo s60', 'volkswagen magotan', 'volkswagen touareg', 'mercedes-benz eqc', 'toyota camry', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen tiguan l', 'honda accord', 'volkswagen lavida', 'buick regal', 'ford taurus', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":926
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 21 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 19 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 21-19=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":927
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 7. B) 6. C) 5. D) 8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'black', 'white', 'blue', 'black', 'white', 'black', 'red', 'black', 'blue', 'blue'] \/nStep 2, count all white vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":928
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 22. B) 20. C) 19. D) 21.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'byd tang', 'byd song plus', 'buick velite 5', 'volvo s60', 'volkswagen magotan', 'volkswagen touareg', 'mercedes-benz eqc', 'toyota camry', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen tiguan l', 'honda accord', 'volkswagen lavida', 'buick regal', 'ford taurus', 'audi a4l', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000} \nStep 3, count vehicles priced below 300000 RMB: 19",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":929
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'black', 'white', 'blue', 'black', 'white', 'black', 'red', 'black', 'blue', 'blue'] \nStep 2, identify the type of silver vehicles: ['mid-size'] \nStep 3, count silver suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":930
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"erx5",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2178.7, 525.2], [2278.8, 830.3], [2209.3, 653.7], [2258.6, 774.0], [2360.8, 1052.8], [2346.5, 1000.8], [2232.8, 712.7], [2327.6, 942.0], [2104.6, 291.7], [2189.9, 592.0], [2060.4, 167.6], [2159.4, 469.6], [2082.3, 226.3], [2337.1, 1483.6], [2285.6, 1362.1], [2138.6, 411.6], [2117.0, 354.3], [2315.1, 1419.8], [2161.3, 1046.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[7.7, -25.9, 120.0], [12.1, -12.7, 120.0], [9.1, -20.4, 120.0], [11.2, -15.2, 120.0], [15.6, -3.1, 120.0], [15.0, -5.4, 120.0], [10.1, -17.8, 120.0], [14.2, -7.9, 120.0], [4.5, -36.0, 120.0], [8.2, -23.1, 120.0], [2.6, -41.4, 120.0], [6.9, -28.3, 120.0], [3.6, -38.9, 120.0], [14.6, 15.5, 120.0], [12.4, 10.3, 120.0], [6.0, -30.9, 120.0], [5.1, -33.3, 120.0], [13.6, 12.8, 120.0], [7.0, -3.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [123.0, 121.3, 122.1, 121.5, 121.1, 121.1, 121.7, 121.1, 125.4, 122.5, 127.0, 123.5, 126.2, 121.9, 121.1, 124.0, 124.6, 121.4, 120.3] \/nStep 5, find the maximum distance to the drone: 127.0 \/nStep 6, identify the model of this vehicle: erx5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":931
+    },
+    {
+        "image":"2e65b04a-DJI_0338.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":10.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2178.7, 525.2], [2278.8, 830.3], [2209.3, 653.7], [2258.6, 774.0], [2360.8, 1052.8], [2346.5, 1000.8], [2232.8, 712.7], [2327.6, 942.0], [2104.6, 291.7], [2189.9, 592.0], [2060.4, 167.6], [2159.4, 469.6], [2082.3, 226.3], [2337.1, 1483.6], [2285.6, 1362.1], [2138.6, 411.6], [2117.0, 354.3], [2315.1, 1419.8], [2161.3, 1046.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[7.7, -25.9, 120.0], [12.1, -12.7, 120.0], [9.1, -20.4, 120.0], [11.2, -15.2, 120.0], [15.6, -3.1, 120.0], [15.0, -5.4, 120.0], [10.1, -17.8, 120.0], [14.2, -7.9, 120.0], [4.5, -36.0, 120.0], [8.2, -23.1, 120.0], [2.6, -41.4, 120.0], [6.9, -28.3, 120.0], [3.6, -38.9, 120.0], [14.6, 15.5, 120.0], [12.4, 10.3, 120.0], [6.0, -30.9, 120.0], [5.1, -33.3, 120.0], [13.6, 12.8, 120.0], [7.0, -3.4, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [123.0, 121.3, 122.1, 121.5, 121.1, 121.1, 121.7, 121.1, 125.4, 122.5, 127.0, 123.5, 126.2, 121.9, 121.1, 124.0, 124.6, 121.4, 120.3] \/nStep 5, find the maximum distance to the drone: 127.0 \/nStep 6, calculate the flight time of the drone: 127.0\/12=10.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":932
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Rachel said she bought a new yellow car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'white', 'black', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'black', 'black', 'white', 'silver', 'blue', 'red', 'blue'] \/nStep 2, there is no yellow car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":933
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":934
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"A) 60. B) 70. C) 90. D) 30.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":935
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20137,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":936
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":2945000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen touareg', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen tiguan l', 'honda accord', 'byd tang', 'ford taurus', 'volkswagen lavida', 'volvo s60', 'toyota camry', 'audi a4l', 'buick regal', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000} \nStep 3, sum the price of each vehicle: 2945000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":937
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"A) 160000. B) 875000. C) 50000. D) 145833.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'white', 'black', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'black', 'black', 'white', 'silver', 'blue', 'red', 'blue'] \nStep 2, identify the model of white vehicles: ['roewe erx5', 'byd tang', 'volkswagen magotan', 'buick velite 5', 'honda accord', 'volvo s60'] \nStep 3, query vehicle prices: {'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'honda accord': 130000, 'volvo s60': 230000} \nStep 4, sum the price of each white vehicle: 875000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":938
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"A) 165000. B) 155000. C) 40000. D) 230000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen touareg', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen tiguan l', 'honda accord', 'byd tang', 'ford taurus', 'volkswagen lavida', 'volvo s60', 'toyota camry', 'audi a4l', 'buick regal', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000} \nStep 3, calculate the average price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":939
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.7, 4.7, 4.9, 5.1, 5.0, 4.6, 4.6, 4.8, 4.7, 5.0, 4.9, 5.0, 4.7, 4.8, 4.9, 4.9, 4.9, 4.5] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":940
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"A) 165000. B) 155000. C) 40000. D) 230000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen touareg', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen tiguan l', 'honda accord', 'byd tang', 'ford taurus', 'volkswagen lavida', 'volvo s60', 'toyota camry', 'audi a4l', 'buick regal', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":941
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.7, 4.7, 4.9, 5.1, 5.0, 4.6, 4.6, 4.8, 4.7, 5.0, 4.9, 5.0, 4.7, 4.8, 4.9, 4.9, 4.9, 4.5] \nStep 5, find the minimum length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":942
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 26 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 19 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 26-19=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":943
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'compact'] \/nStep 2, count all mid-size vehicles: 9",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":944
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"A) 15. B) 16. C) 18. D) 17.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'roewe erx5', 'byd tang', 'volkswagen touareg', 'volkswagen magotan', 'buick envision', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen tiguan l', 'honda accord', 'byd tang', 'ford taurus', 'volkswagen lavida', 'volvo s60', 'toyota camry', 'audi a4l', 'buick regal', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000} \nStep 3, count vehicles priced above 100000 RMB: 15",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":945
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many blue mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 3. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'white', 'white', 'black', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'black', 'black', 'white', 'silver', 'blue', 'red', 'blue'] \nStep 2, identify the type of blue vehicles: ['suv', 'mid-size', 'compact'] \nStep 3, count blue mid-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":946
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"roewe",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1582.4, 1410.3], [1599.4, 1476.8], [1720.8, 1957.6], [1518.7, 1234.0], [1560.7, 1347.8], [1463.3, 1072.6], [1607.6, 1544.4], [1538.6, 1290.2], [1478.6, 1126.4], [1697.2, 1882.5], [1511.3, 658.2], [1636.6, 1600.7], [1664.5, 1735.5], [1548.8, 757.3], [1451.2, 1024.2], [1686.8, 1805.3], [1528.7, 706.2], [1649.1, 1668.9], [1662.5, 1032.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.4, 11.2, 109.0], [-15.5, 13.6, 107.6], [-9.9, 29.5, 98.4], [-19.6, 4.4, 112.9], [-17.5, 8.9, 110.4], [-22.6, -2.2, 116.7], [-15.0, 16.1, 106.2], [-18.6, 6.6, 111.6], [-21.7, 0.1, 115.4], [-10.9, 27.2, 99.7], [-22.5, -21.5, 127.9], [-13.8, 18.0, 105.1], [-12.4, 22.5, 102.5], [-20.3, -16.6, 125.0], [-23.3, -4.3, 117.9], [-11.4, 24.8, 101.2], [-21.5, -19.1, 126.5], [-13.1, 20.3, 103.7], [-14.3, -3.9, 117.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [110.8, 109.6, 103.2, 114.7, 112.1, 118.9, 108.5, 113.4, 117.5, 104.0, 131.6, 107.5, 105.6, 127.8, 120.3, 104.8, 129.7, 106.5, 118.7] \/nStep 5, find the minimum distance to the drone: 103.2 \/nStep 6, identify the brand of this vehicle: roewe",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":947
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":6.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1582.4, 1410.3], [1599.4, 1476.8], [1720.8, 1957.6], [1518.7, 1234.0], [1560.7, 1347.8], [1463.3, 1072.6], [1607.6, 1544.4], [1538.6, 1290.2], [1478.6, 1126.4], [1697.2, 1882.5], [1511.3, 658.2], [1636.6, 1600.7], [1664.5, 1735.5], [1548.8, 757.3], [1451.2, 1024.2], [1686.8, 1805.3], [1528.7, 706.2], [1649.1, 1668.9], [1662.5, 1032.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.4, 11.2, 109.0], [-15.5, 13.6, 107.6], [-9.9, 29.5, 98.4], [-19.6, 4.4, 112.9], [-17.5, 8.9, 110.4], [-22.6, -2.2, 116.7], [-15.0, 16.1, 106.2], [-18.6, 6.6, 111.6], [-21.7, 0.1, 115.4], [-10.9, 27.2, 99.7], [-22.5, -21.5, 127.9], [-13.8, 18.0, 105.1], [-12.4, 22.5, 102.5], [-20.3, -16.6, 125.0], [-23.3, -4.3, 117.9], [-11.4, 24.8, 101.2], [-21.5, -19.1, 126.5], [-13.1, 20.3, 103.7], [-14.3, -3.9, 117.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [110.8, 109.6, 103.2, 114.7, 112.1, 118.9, 108.5, 113.4, 117.5, 104.0, 131.6, 107.5, 105.6, 127.8, 120.3, 104.8, 129.7, 106.5, 118.7] \/nStep 5, find the minimum distance to the drone: 103.2 \/nStep 6, calculate the flight time of the drone: 103.2\/16=6.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":948
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'black', 'brown', 'white', 'white', 'blue', 'red', 'black', 'black', 'silver', 'pink', 'yellow', 'blue'] \/nStep 2, there is an gray car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":949
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":950
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 70. B) 90. C) 60. D) 80.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":951
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 7749. B) 7249. C) 8249. D) 12249.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":952
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":1955000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'mazda 6', 'byd song plus', 'volkswagen touareg', 'buick envision', 'byd tang', 'roewe erx5', 'byd tang', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 1955000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":953
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":325000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'black', 'brown', 'white', 'white', 'blue', 'red', 'black', 'black', 'silver', 'pink', 'yellow', 'blue'] \nStep 2, identify the model of white vehicles: ['buick velite 5', 'byd tang', 'roewe erx5'] \nStep 3, query vehicle prices: {'buick velite 5': 50000, 'byd tang': 225000, 'roewe erx5': 50000} \nStep 4, sum the price of each white vehicle: 325000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":954
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.8, 5.1, 4.6, 4.9, 4.7, 4.9, 4.9, 4.7, 5.0, 4.9, 4.1, 2.5, 2.5] \nStep 5, calculate the average length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":955
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 225000. B) 155000. C) 325000. D) 25000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'mazda 6', 'byd song plus', 'volkswagen touareg', 'buick envision', 'byd tang', 'roewe erx5', 'byd tang', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the median price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":956
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 155000. B) 225000. C) 130333. D) 325000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'mazda 6', 'byd song plus', 'volkswagen touareg', 'buick envision', 'byd tang', 'roewe erx5', 'byd tang', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the maximum price of all vehicles: 225000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":957
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.8, 5.1, 4.6, 4.9, 4.7, 4.9, 4.9, 4.7, 5.0, 4.9, 4.1, 2.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":958
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'black', 'brown', 'white', 'white', 'blue', 'red', 'black', 'black', 'silver', 'pink', 'yellow', 'blue'] \/nStep 2, count vehicles for each color: {'white': 3, 'black': 4, 'gray': 1, 'brown': 1, 'blue': 2, 'red': 1, 'silver': 1, 'pink': 1, 'yellow': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":959
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'subcompact', 'micro-size', 'micro-size'] \nStep 2, identify the color of compact vehicles: ['white'] \nStep 3, count compact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":960
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 6 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 15 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 15-6=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":961
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'black', 'brown', 'white', 'white', 'blue', 'red', 'black', 'black', 'silver', 'pink', 'yellow', 'blue'] \/nStep 2, count all gray vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":962
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'mazda 6', 'byd song plus', 'volkswagen touareg', 'buick envision', 'byd tang', 'roewe erx5', 'byd tang', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'byd tang': 225000, 'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced below 100000 RMB: 5",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":963
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many brown compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'gray', 'black', 'brown', 'white', 'white', 'blue', 'red', 'black', 'black', 'silver', 'pink', 'yellow', 'blue'] \nStep 2, identify the type of brown vehicles: ['suv'] \nStep 3, count brown compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":964
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"tang",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2006.9, 2051.7], [1869.2, 1679.7], [1901.7, 1798.3], [1948.5, 1920.1], [1849.2, 1556.5], [2052.6, 2175.8], [1655.1, 989.0], [1810.7, 1456.8], [1781.1, 1363.5], [1683.1, 1075.0], [1740.1, 1267.8], [1702.4, 1180.6], [1435.9, 317.5], [208.1, 286.6], [416.2, 169.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.1, 19.4, 58.1], [-2.9, 12.4, 62.1], [-2.2, 14.7, 60.8], [-1.1, 17.0, 59.4], [-3.5, 9.9, 63.6], [1.1, 21.5, 56.9], [-8.9, -3.5, 71.3], [-4.4, 7.8, 64.8], [-5.2, 5.7, 66.0], [-8.0, -1.3, 70.0], [-6.3, 3.5, 67.3], [-7.3, 1.4, 68.5], [-16.9, -24.2, 83.3], [-54.2, -25.4, 83.9], [-49.4, -29.8, 86.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [61.2, 63.4, 62.6, 61.8, 64.4, 60.8, 71.9, 65.4, 66.5, 70.5, 67.7, 68.9, 88.4, 103.1, 103.9] \/nStep 5, find the minimum distance to the drone: 60.8 \/nStep 6, identify the model of this vehicle: tang",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":965
+    },
+    {
+        "image":"8aff3add-DJI_0345.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2006.9, 2051.7], [1869.2, 1679.7], [1901.7, 1798.3], [1948.5, 1920.1], [1849.2, 1556.5], [2052.6, 2175.8], [1655.1, 989.0], [1810.7, 1456.8], [1781.1, 1363.5], [1683.1, 1075.0], [1740.1, 1267.8], [1702.4, 1180.6], [1435.9, 317.5], [208.1, 286.6], [416.2, 169.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.1, 19.4, 58.1], [-2.9, 12.4, 62.1], [-2.2, 14.7, 60.8], [-1.1, 17.0, 59.4], [-3.5, 9.9, 63.6], [1.1, 21.5, 56.9], [-8.9, -3.5, 71.3], [-4.4, 7.8, 64.8], [-5.2, 5.7, 66.0], [-8.0, -1.3, 70.0], [-6.3, 3.5, 67.3], [-7.3, 1.4, 68.5], [-16.9, -24.2, 83.3], [-54.2, -25.4, 83.9], [-49.4, -29.8, 86.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [61.2, 63.4, 62.6, 61.8, 64.4, 60.8, 71.9, 65.4, 66.5, 70.5, 67.7, 68.9, 88.4, 103.1, 103.9] \/nStep 5, find the minimum distance to the drone: 60.8 \/nStep 6, calculate the flight time of the drone: 60.8\/16=3.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":15,
+        "region":"image-level",
+        "qid":966
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new purple car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue'] \/nStep 2, there is no purple car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":967
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 120. B) 100. C) 20. D) 70.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":968
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":969
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":970
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":435000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda accord', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000} \nStep 3, sum the price of each vehicle: 435000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":971
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"A) 75000. B) 75000. C) 145000. D) 230000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda accord', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000} \nStep 3, calculate the average price of all vehicles: 145000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":972
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.9] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":973
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda accord', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":974
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"A) 75000. B) 230000. C) 130000. D) 145000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda accord', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":975
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 13 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 3 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 13-3=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":976
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue'] \/nStep 2, count all black vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":977
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"A) 4. B) 5. C) 6. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda accord', 'audi a4l'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000} \nStep 3, count vehicles priced below 500000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":978
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many blue mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue'] \nStep 2, identify the type of blue vehicles: ['mid-size'] \nStep 3, count blue mid-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":979
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"lavida",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1653.8, 1254.3], [1378.6, 709.3], [1473.4, 989.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.8, 1.0, 22.5], [-5.7, -3.8, 25.3], [-4.5, -1.2, 23.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.7, 26.2, 24.2] \/nStep 5, find the minimum distance to the drone: 22.7 \/nStep 6, identify the model of this vehicle: lavida",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":980
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1653.8, 1254.3], [1378.6, 709.3], [1473.4, 989.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.8, 1.0, 22.5], [-5.7, -3.8, 25.3], [-4.5, -1.2, 23.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.7, 26.2, 24.2] \/nStep 5, find the minimum distance to the drone: 22.7 \/nStep 6, calculate the flight time of the drone: 22.7\/18=1.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":981
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue', 'white', 'white', 'white'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":982
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 30. B) 80. C) 20. D) 40.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":983
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":984
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":985
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000}",
+        "choices":"",
+        "answer":995000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz eqc', 'volvo s60', 'bmw 1 series', 'byd tang', 'volkswagen magotan', 'buick velite 5'] \nStep 2, query all vehicle prices: {'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000} \nStep 3, sum the price of each vehicle: 995000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":986
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.5, 4.9, 5.0, 4.6] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":987
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4. B) 28.5. C) 4.5. D) 4.8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.5, 4.9, 5.0, 4.6] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":988
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz eqc', 'volvo s60', 'bmw 1 series', 'byd tang', 'volkswagen magotan', 'buick velite 5'] \nStep 2, query all vehicle prices: {'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":989
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000}",
+        "choices":"A) 187500. B) 230000. C) 50000. D) 115000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz eqc', 'volvo s60', 'bmw 1 series', 'byd tang', 'volkswagen magotan', 'buick velite 5'] \nStep 2, query all vehicle prices: {'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":990
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue', 'white', 'white', 'white'] \/nStep 2, count vehicles for each color: {'black': 1, 'white': 4, 'blue': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":991
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'compact'] \nStep 2, identify the color of suv vehicles: ['white'] \nStep 3, count suv vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":992
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 14 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 14-6=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":993
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'mid-size', 'compact', 'suv', 'mid-size', 'compact'] \/nStep 2, count all suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":994
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz eqc', 'volvo s60', 'bmw 1 series', 'byd tang', 'volkswagen magotan', 'buick velite 5'] \nStep 2, query all vehicle prices: {'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'buick velite 5': 50000} \nStep 3, count vehicles priced below 300000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":995
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'white', 'blue', 'white', 'white', 'white'] \nStep 2, identify the type of black vehicles: ['mid-size'] \nStep 3, count black compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":996
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"compact",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[801.9, 1185.0], [679.1, 685.9], [1718.7, 657.9], [1038.1, 1782.6], [731.7, 914.1], [1166.8, 2127.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.8, 0.5, 22.8], [-12.1, -4.0, 25.4], [-2.6, -4.3, 25.6], [-7.0, 4.8, 20.3], [-11.0, -1.8, 24.2], [-5.7, 6.9, 19.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.8, 28.4, 26.1, 22.0, 26.6, 21.1] \/nStep 5, find the minimum distance to the drone: 21.1 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":997
+    },
+    {
+        "image":"d66e390e-DJI_0357.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[801.9, 1185.0], [679.1, 685.9], [1718.7, 657.9], [1038.1, 1782.6], [731.7, 914.1], [1166.8, 2127.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.8, 0.5, 22.8], [-12.1, -4.0, 25.4], [-2.6, -4.3, 25.6], [-7.0, 4.8, 20.3], [-11.0, -1.8, 24.2], [-5.7, 6.9, 19.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.8, 28.4, 26.1, 22.0, 26.6, 21.1] \/nStep 5, find the minimum distance to the drone: 21.1 \/nStep 6, calculate the flight time of the drone: 21.1\/16=1.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":998
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new golden car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'black', 'red', 'silver'] \/nStep 2, there is no golden car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":999
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1000
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1001
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 1305. B) 5805. C) 1805. D) 805.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1002
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"",
+        "answer":890000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen tiguan l', 'byd tang', 'ford taurus', 'buick regal', 'toyota camry'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000} \nStep 3, sum the price of each vehicle: 890000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1003
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"A) 50000. B) 225000. C) 148333. D) 190000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen tiguan l', 'byd tang', 'ford taurus', 'buick regal', 'toyota camry'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000} \nStep 3, calculate the average price of all vehicles: 148333",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1004
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4. B) 5.0. C) 29.1. D) 4.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.9, 5.0, 4.9, 4.9] \nStep 5, find the median length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1005
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.9, 5.0, 4.9, 4.9] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1006
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.9, 5.0, 4.9, 4.9] \nStep 5, find the minimum length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1007
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) black. C) golden. D) pink.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'black', 'red', 'silver'] \/nStep 2, count vehicles for each color: {'white': 1, 'black': 2, 'blue': 1, 'red': 1, 'silver': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1008
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were -1 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 6. D) 7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 6--1=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1009
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many red vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'black', 'red', 'silver'] \/nStep 2, count all red vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1010
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"A) 9. B) 8. C) 7. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen tiguan l', 'byd tang', 'ford taurus', 'buick regal', 'toyota camry'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'byd tang': 225000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000} \nStep 3, count vehicles priced below 500000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1011
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) -1. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'black', 'red', 'silver'] \nStep 2, identify the type of silver vehicles: ['mid-size'] \nStep 3, count silver suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1012
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"tang",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1004.9, 1347.3], [909.6, 1055.4], [657.4, 118.6], [777.9, 551.0], [684.9, 339.7], [826.7, 794.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.9, 1.8, 22.1], [-9.2, -0.6, 23.4], [-14.1, -10.6, 29.2], [-11.6, -5.4, 26.2], [-13.1, -7.8, 27.6], [-10.5, -3.0, 24.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [23.5, 25.2, 34.1, 29.2, 31.5, 27.1] \/nStep 5, find the maximum distance to the drone: 34.1 \/nStep 6, identify the model of this vehicle: tang",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1013
+    },
+    {
+        "image":"a1b4055f-DJI_0359.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1004.9, 1347.3], [909.6, 1055.4], [657.4, 118.6], [777.9, 551.0], [684.9, 339.7], [826.7, 794.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.9, 1.8, 22.1], [-9.2, -0.6, 23.4], [-14.1, -10.6, 29.2], [-11.6, -5.4, 26.2], [-13.1, -7.8, 27.6], [-10.5, -3.0, 24.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [23.5, 25.2, 34.1, 29.2, 31.5, 27.1] \/nStep 5, find the maximum distance to the drone: 34.1 \/nStep 6, calculate the flight time of the drone: 34.1\/18=1.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1014
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'blue', 'black', 'white', 'white', 'black', 'black', 'white', 'white', 'blue', 'white', 'brown'] \/nStep 2, there is an gray car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1015
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 30. B) 110. C) 40. D) 20.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1016
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 60. B) 70. C) 80. D) 45.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1017
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 9260. B) 14260. C) 4260. D) 4760.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1018
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":2055000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'bmw 1 series', 'volkswagen touareg', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen lavida', 'volkswagen magotan', 'honda accord', 'audi a4l', 'volvo s60', 'buick envision'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 2055000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1019
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":825000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'blue', 'black', 'white', 'white', 'black', 'black', 'white', 'white', 'blue', 'white', 'brown'] \nStep 2, identify the model of white vehicles: ['byd tang', 'buick velite 5', 'volkswagen magotan', 'honda accord', 'volvo s60'] \nStep 3, query vehicle prices: {'byd tang': 225000, 'buick velite 5': 50000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'volvo s60': 230000} \nStep 4, sum the price of each white vehicle: 825000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1020
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.7, 4.5, 5.1, 4.9, 4.6, 4.8, 4.7, 5.0, 5.0, 4.9, 4.8, 4.6] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1021
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.7, 4.5, 5.1, 4.9, 4.6, 4.8, 4.7, 5.0, 5.0, 4.9, 4.8, 4.6] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1022
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000}",
+        "choices":"A) 40000. B) 158076. C) 825000. D) 230000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'bmw 1 series', 'volkswagen touareg', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen lavida', 'volkswagen magotan', 'honda accord', 'audi a4l', 'volvo s60', 'buick envision'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1023
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'bmw 1 series', 'volkswagen touareg', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen lavida', 'volkswagen magotan', 'honda accord', 'audi a4l', 'volvo s60', 'buick envision'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1024
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) golden. C) red. D) green.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'blue', 'black', 'white', 'white', 'black', 'black', 'white', 'white', 'blue', 'white', 'brown'] \/nStep 2, count vehicles for each color: {'gray': 1, 'black': 4, 'blue': 2, 'white': 5, 'brown': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1025
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 7 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 13-7=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1026
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 6. B) 5. C) 7. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'blue', 'black', 'white', 'white', 'black', 'black', 'white', 'white', 'blue', 'white', 'brown'] \/nStep 2, count all white vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1027
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000}",
+        "choices":"A) 10. B) 11. C) 13. D) 12.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mazda 6', 'bmw 1 series', 'volkswagen touareg', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'volkswagen lavida', 'volkswagen magotan', 'honda accord', 'audi a4l', 'volvo s60', 'buick envision'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000, 'buick envision': 205000} \nStep 3, count vehicles priced above 100000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1028
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many brown suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'black', 'blue', 'black', 'white', 'white', 'black', 'black', 'white', 'white', 'blue', 'white', 'brown'] \nStep 2, identify the type of brown vehicles: ['suv'] \nStep 3, count brown suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1029
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"buick",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1704.4, 1779.9], [1779.0, 1991.8], [1826.3, 831.7], [1622.2, 1595.4], [1486.9, 1290.2], [1553.8, 1434.7], [1358.9, 1045.2], [1498.4, 357.1], [1312.8, 926.6], [1407.0, 207.1], [1450.0, 278.7], [1269.2, 826.9], [1850.2, 2210.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.7, 8.1, 34.3], [-2.6, 10.1, 32.3], [-3.0, -5.0, 47.4], [-4.9, 6.2, 36.3], [-7.4, 2.4, 40.0], [-6.1, 4.3, 38.2], [-10.1, -1.3, 43.7], [-10.6, -16.2, 58.7], [-11.3, -3.3, 45.7], [-13.6, -21.0, 63.4], [-12.1, -18.6, 61.0], [-12.5, -5.1, 47.5], [-1.6, 11.9, 30.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [35.5, 34.0, 47.8, 37.1, 40.8, 38.9, 44.9, 61.8, 47.2, 68.1, 65.0, 49.4, 32.8] \/nStep 5, find the minimum distance to the drone: 32.8 \/nStep 6, identify the brand of this vehicle: buick",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1030
+    },
+    {
+        "image":"2db8d02d-DJI_0361.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":2.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1704.4, 1779.9], [1779.0, 1991.8], [1826.3, 831.7], [1622.2, 1595.4], [1486.9, 1290.2], [1553.8, 1434.7], [1358.9, 1045.2], [1498.4, 357.1], [1312.8, 926.6], [1407.0, 207.1], [1450.0, 278.7], [1269.2, 826.9], [1850.2, 2210.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.7, 8.1, 34.3], [-2.6, 10.1, 32.3], [-3.0, -5.0, 47.4], [-4.9, 6.2, 36.3], [-7.4, 2.4, 40.0], [-6.1, 4.3, 38.2], [-10.1, -1.3, 43.7], [-10.6, -16.2, 58.7], [-11.3, -3.3, 45.7], [-13.6, -21.0, 63.4], [-12.1, -18.6, 61.0], [-12.5, -5.1, 47.5], [-1.6, 11.9, 30.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [35.5, 34.0, 47.8, 37.1, 40.8, 38.9, 44.9, 61.8, 47.2, 68.1, 65.0, 49.4, 32.8] \/nStep 5, find the minimum distance to the drone: 32.8 \/nStep 6, calculate the flight time of the drone: 32.8\/12=2.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1031
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Phoebe said she bought a new golden car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'yellow', 'yellow'] \/nStep 2, there is no golden car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1032
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 60. B) 30. C) 70. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1033
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1034
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 9260. B) 4760. C) 4260. D) 14260.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1035
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 190000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1036
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are yellow vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 25000. B) 25000. C) 50000. D) 25000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'yellow', 'yellow'] \nStep 2, identify the model of yellow vehicles: ['baojun e100', 'baojun e100'] \nStep 3, query vehicle prices: {'baojun e100': 25000} \nStep 4, sum the price of each yellow vehicle: 50000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1037
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 25000. B) 115000. C) 25000. D) 47500.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the average price of all vehicles: 47500",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1038
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 115000. B) 47500. C) 25000. D) 50000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the median price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1039
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the maximum price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1040
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1041
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"yellow",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'yellow', 'yellow'] \/nStep 2, count vehicles for each color: {'pink': 1, 'blue': 1, 'yellow': 2}. \/nStep 3, sort to get the most common color: yellow",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1042
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"pink",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['subcompact', 'micro-size', 'micro-size', 'micro-size'] \nStep 2, identify the color of subcompact vehicles: ['pink'] \nStep 3, count subcompact vehicles for each color: {'pink': 1} \nStep 4, sort to get the most common color of subcompact vehicle: pink",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1043
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were -2 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 4--2=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1044
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many yellow vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'yellow', 'yellow'] \/nStep 2, count all yellow vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1045
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd dolphin', 'baojun e100', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced above 100000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1046
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many pink micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['pink', 'blue', 'yellow', 'yellow'] \nStep 2, identify the type of pink vehicles: ['subcompact'] \nStep 3, count pink micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1047
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"e100",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2794.5, 1132.7], [1525.5, 280.5], [1186.3, 310.1], [216.8, 135.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[12.1, 0.1, 42.3], [-10.4, -18.6, 61.0], [-17.6, -17.6, 60.1], [-42.4, -23.5, 65.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.0, 64.6, 65.0, 81.8] \/nStep 5, find the maximum distance to the drone: 81.8 \/nStep 6, identify the model of this vehicle: e100",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1048
+    },
+    {
+        "image":"378c477a-DJI_0362.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":8.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2794.5, 1132.7], [1525.5, 280.5], [1186.3, 310.1], [216.8, 135.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[12.1, 0.1, 42.3], [-10.4, -18.6, 61.0], [-17.6, -17.6, 60.1], [-42.4, -23.5, 65.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.0, 64.6, 65.0, 81.8] \/nStep 5, find the maximum distance to the drone: 81.8 \/nStep 6, calculate the flight time of the drone: 81.8\/10=8.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1049
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Monica said she bought a new green car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'brown', 'white', 'blue', 'gray', 'black', 'red', 'black', 'white', 'silver', 'white', 'black', 'black', 'pink', 'blue', 'blue', 'yellow'] \/nStep 2, there is no green car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1050
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 70. B) 120. C) 60. D) 40.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1051
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1052
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 33197. B) 25197. C) 23197. D) 28197.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1053
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":2675000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen magotan', 'mercedes-benz eqc', 'buick envision', 'byd tang', 'byd tang', 'byd song plus', 'mazda 6', 'buick regal', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'bmw 1 series', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 2675000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1054
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 230000. B) 155000. C) 190000. D) 140789.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen magotan', 'mercedes-benz eqc', 'buick envision', 'byd tang', 'byd tang', 'byd song plus', 'mazda 6', 'buick regal', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'bmw 1 series', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, calculate the average price of all vehicles: 140789",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1055
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 155000. B) 25000. C) 190000. D) 140789.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen magotan', 'mercedes-benz eqc', 'buick envision', 'byd tang', 'byd tang', 'byd song plus', 'mazda 6', 'buick regal', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'bmw 1 series', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, calculate the median price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1056
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.0, 4.8, 4.6, 4.9, 4.9, 4.8, 4.7, 4.9, 5.1, 4.7, 4.9, 4.8, 4.7, 5.0, 4.1, 4.5, 2.5, 2.5] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1057
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.0, 4.8, 4.6, 4.9, 4.9, 4.8, 4.7, 4.9, 5.1, 4.7, 4.9, 4.8, 4.7, 5.0, 4.1, 4.5, 2.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1058
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 9. B) 4. C) 3. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 19 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 22-19=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1059
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 1. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'subcompact', 'compact', 'micro-size', 'micro-size'] \/nStep 2, count all micro-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1060
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 17. B) 16. C) 14. D) 15.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen magotan', 'mercedes-benz eqc', 'buick envision', 'byd tang', 'byd tang', 'byd song plus', 'mazda 6', 'buick regal', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'bmw 1 series', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced above 100000 RMB: 14",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1061
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'black', 'brown', 'white', 'blue', 'gray', 'black', 'red', 'black', 'white', 'silver', 'white', 'black', 'black', 'pink', 'blue', 'blue', 'yellow'] \nStep 2, identify the type of silver vehicles: ['mid-size'] \nStep 3, count silver suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1062
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"baojun",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1932.2, 1551.8], [2111.4, 1834.3], [2064.1, 1752.7], [1783.9, 1288.9], [1969.9, 1617.1], [1747.1, 1236.7], [1839.9, 1417.9], [1806.3, 1357.2], [1722.3, 1183.9], [1880.0, 1480.1], [1604.7, 980.0], [1659.9, 1083.1], [2138.8, 1904.4], [1630.8, 1030.8], [1690.0, 1133.5], [1406.3, 613.4], [1826.3, 1942.4], [644.8, 592.9], [499.4, 672.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.1, 13.2, 85.8], [3.2, 20.2, 78.8], [1.9, 18.3, 80.7], [-7.3, 5.5, 93.5], [-0.9, 14.9, 84.1], [-8.7, 3.8, 95.2], [-5.2, 9.5, 89.5], [-6.4, 7.6, 91.3], [-9.7, 2.1, 96.9], [-3.8, 11.2, 87.8], [-14.9, -5.5, 104.5], [-12.3, -1.5, 100.5], [3.9, 21.7, 77.3], [-13.6, -3.5, 102.5], [-11.0, 0.3, 98.7], [-26.0, -22.4, 121.4], [-4.8, 22.5, 76.5], [-59.8, -23.5, 122.5], [-64.0, -19.3, 118.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [86.8, 81.4, 82.8, 93.9, 85.4, 95.6, 90.2, 91.9, 97.4, 88.6, 105.6, 101.3, 80.4, 103.4, 99.3, 126.1, 79.9, 138.3, 135.8] \/nStep 5, find the maximum distance to the drone: 138.3 \/nStep 6, identify the brand of this vehicle: baojun",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1063
+    },
+    {
+        "image":"584aefae-DJI_0368.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":8.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1932.2, 1551.8], [2111.4, 1834.3], [2064.1, 1752.7], [1783.9, 1288.9], [1969.9, 1617.1], [1747.1, 1236.7], [1839.9, 1417.9], [1806.3, 1357.2], [1722.3, 1183.9], [1880.0, 1480.1], [1604.7, 980.0], [1659.9, 1083.1], [2138.8, 1904.4], [1630.8, 1030.8], [1690.0, 1133.5], [1406.3, 613.4], [1826.3, 1942.4], [644.8, 592.9], [499.4, 672.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.1, 13.2, 85.8], [3.2, 20.2, 78.8], [1.9, 18.3, 80.7], [-7.3, 5.5, 93.5], [-0.9, 14.9, 84.1], [-8.7, 3.8, 95.2], [-5.2, 9.5, 89.5], [-6.4, 7.6, 91.3], [-9.7, 2.1, 96.9], [-3.8, 11.2, 87.8], [-14.9, -5.5, 104.5], [-12.3, -1.5, 100.5], [3.9, 21.7, 77.3], [-13.6, -3.5, 102.5], [-11.0, 0.3, 98.7], [-26.0, -22.4, 121.4], [-4.8, 22.5, 76.5], [-59.8, -23.5, 122.5], [-64.0, -19.3, 118.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [86.8, 81.4, 82.8, 93.9, 85.4, 95.6, 90.2, 91.9, 97.4, 88.6, 105.6, 101.3, 80.4, 103.4, 99.3, 126.1, 79.9, 138.3, 135.8] \/nStep 5, find the maximum distance to the drone: 138.3 \/nStep 6, calculate the flight time of the drone: 138.3\/16=8.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":19,
+        "region":"image-level",
+        "qid":1064
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Monica said she bought a new white car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'gray', 'brown', 'white', 'white', 'black', 'red', 'black', 'white', 'black', 'black', 'silver', 'pink', 'blue', 'black'] \/nStep 2, there is an white car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1065
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1066
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 70. B) 45. C) 30. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1067
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":23197,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1068
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"A) 563. B) 844. C) 2815000. D) 93.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'buick regal', 'volkswagen touareg', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'audi a4l', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000} \nStep 3, sum the price of each vehicle: 2815000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1069
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"A) 230000. B) 190000. C) 50000. D) 745000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'gray', 'brown', 'white', 'white', 'black', 'red', 'black', 'white', 'black', 'black', 'silver', 'pink', 'blue', 'black'] \nStep 2, identify the model of white vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'buick velite 5', 'volvo s60'] \nStep 3, query vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'buick velite 5': 50000, 'volvo s60': 230000} \nStep 4, sum the price of each white vehicle: 745000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1070
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"A) 230000. B) 156388. C) 745000. D) 175000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'buick regal', 'volkswagen touareg', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'audi a4l', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000} \nStep 3, calculate the average price of all vehicles: 156388",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1071
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"A) 40000. B) 745000. C) 156388. D) 175000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'buick regal', 'volkswagen touareg', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'audi a4l', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000} \nStep 3, calculate the median price of all vehicles: 175000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1072
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.9, 4.7, 4.8, 4.6, 4.9, 4.6, 4.8, 4.9, 5.1, 4.8, 4.7, 5.0, 4.9, 4.1, 4.9, 4.7] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1073
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"A) 40000. B) 230000. C) 745000. D) 156388.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'buick regal', 'volkswagen touareg', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'audi a4l', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1074
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) blue. C) black. D) gray.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'gray', 'brown', 'white', 'white', 'black', 'red', 'black', 'white', 'black', 'black', 'silver', 'pink', 'blue', 'black'] \/nStep 2, count vehicles for each color: {'white': 5, 'blue': 2, 'black': 6, 'gray': 1, 'brown': 1, 'red': 1, 'silver': 1, 'pink': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1075
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 23 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 18 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 23-18=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1076
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'compact', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'subcompact', 'mid-size', 'compact'] \/nStep 2, count all compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1077
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'volkswagen magotan', 'byd tang', 'mazda 6', 'byd song plus', 'buick envision', 'byd tang', 'buick velite 5', 'mercedes-benz eqc', 'buick regal', 'volkswagen touareg', 'volvo s60', 'volkswagen tiguan l', 'ford taurus', 'toyota camry', 'byd dolphin', 'audi a4l', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'audi a4l': 230000, 'volkswagen lavida': 75000} \nStep 3, count vehicles priced above 300000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1078
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many brown compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'gray', 'brown', 'white', 'white', 'black', 'red', 'black', 'white', 'black', 'black', 'silver', 'pink', 'blue', 'black'] \nStep 2, identify the type of brown vehicles: ['suv'] \nStep 3, count brown compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1079
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"lavida",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1092.4, 1159.0], [2046.8, 1705.3], [1393.1, 1338.4], [1519.0, 1424.7], [1586.6, 1463.5], [1459.0, 1371.4], [1813.3, 1581.0], [1743.1, 1541.6], [1966.6, 1658.7], [1336.8, 1301.7], [1660.5, 1499.5], [2111.0, 1748.5], [1149.8, 1194.9], [1273.9, 1267.3], [1213.1, 1235.2], [636.4, 882.5], [2484.8, 2214.2], [2369.8, 2197.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-32.0, 1.2, 97.8], [1.4, 17.1, 81.9], [-20.1, 7.1, 91.9], [-15.5, 9.7, 89.3], [-13.1, 10.8, 88.2], [-17.7, 8.1, 90.9], [-5.7, 14.0, 85.0], [-8.0, 12.9, 86.1], [-1.0, 16.0, 83.0], [-22.2, 5.9, 93.1], [-10.7, 11.8, 87.2], [3.2, 18.2, 80.8], [-29.6, 2.4, 96.6], [-24.6, 4.8, 94.2], [-27.0, 3.8, 95.2], [-53.3, -9.5, 108.5], [12.4, 27.9, 71.1], [9.5, 27.6, 71.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [102.9, 83.7, 94.4, 91.2, 89.9, 93.0, 86.4, 87.4, 84.6, 95.9, 88.7, 82.9, 101.0, 97.5, 99.0, 121.2, 77.4, 77.1] \/nStep 5, find the minimum distance to the drone: 77.1 \/nStep 6, identify the model of this vehicle: lavida",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1080
+    },
+    {
+        "image":"2399f542-DJI_0369.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":6.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1092.4, 1159.0], [2046.8, 1705.3], [1393.1, 1338.4], [1519.0, 1424.7], [1586.6, 1463.5], [1459.0, 1371.4], [1813.3, 1581.0], [1743.1, 1541.6], [1966.6, 1658.7], [1336.8, 1301.7], [1660.5, 1499.5], [2111.0, 1748.5], [1149.8, 1194.9], [1273.9, 1267.3], [1213.1, 1235.2], [636.4, 882.5], [2484.8, 2214.2], [2369.8, 2197.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-32.0, 1.2, 97.8], [1.4, 17.1, 81.9], [-20.1, 7.1, 91.9], [-15.5, 9.7, 89.3], [-13.1, 10.8, 88.2], [-17.7, 8.1, 90.9], [-5.7, 14.0, 85.0], [-8.0, 12.9, 86.1], [-1.0, 16.0, 83.0], [-22.2, 5.9, 93.1], [-10.7, 11.8, 87.2], [3.2, 18.2, 80.8], [-29.6, 2.4, 96.6], [-24.6, 4.8, 94.2], [-27.0, 3.8, 95.2], [-53.3, -9.5, 108.5], [12.4, 27.9, 71.1], [9.5, 27.6, 71.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [102.9, 83.7, 94.4, 91.2, 89.9, 93.0, 86.4, 87.4, 84.6, 95.9, 88.7, 82.9, 101.0, 97.5, 99.0, 121.2, 77.4, 77.1] \/nStep 5, find the minimum distance to the drone: 77.1 \/nStep 6, calculate the flight time of the drone: 77.1\/12=6.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1081
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'white', 'black', 'black', 'blue', 'white', 'brown', 'gray', 'blue', 'silver', 'black', 'black', 'red', 'blue', 'white', 'black', 'pink', 'white', 'blue', 'yellow'] \/nStep 2, there is no orange car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1082
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1083
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1084
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 57284. B) 62284. C) 59284. D) 57784.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1085
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":3110000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen touareg', 'byd tang', 'volkswagen magotan', 'mercedes-benz eqc', 'mazda 6', 'byd tang', 'roewe erx5', 'buick envision', 'byd song plus', 'audi a4l', 'toyota camry', 'volkswagen tiguan l', 'ford taurus', 'buick regal', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'byd dolphin', 'volvo s60', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 3110000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1086
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"A) 145833. B) 160000. C) 875000. D) 230000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'white', 'black', 'black', 'blue', 'white', 'brown', 'gray', 'blue', 'silver', 'black', 'black', 'red', 'blue', 'white', 'black', 'pink', 'white', 'blue', 'yellow'] \nStep 2, identify the model of white vehicles: ['buick velite 5', 'byd tang', 'volkswagen magotan', 'roewe erx5', 'honda accord', 'volvo s60'] \nStep 3, query vehicle prices: {'buick velite 5': 50000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'honda accord': 130000, 'volvo s60': 230000} \nStep 4, sum the price of each white vehicle: 875000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1087
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.1, 4.9, 5.0, 4.8, 4.7, 4.9, 4.7, 4.6, 4.8, 4.9, 4.9, 4.7, 5.0, 4.9, 4.5, 5.0, 4.7, 4.1, 4.8, 2.5, 2.5] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1088
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":155000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen touareg', 'byd tang', 'volkswagen magotan', 'mercedes-benz eqc', 'mazda 6', 'byd tang', 'roewe erx5', 'buick envision', 'byd song plus', 'audi a4l', 'toyota camry', 'volkswagen tiguan l', 'ford taurus', 'buick regal', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'byd dolphin', 'volvo s60', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000} \nStep 3, calculate the median price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1089
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"A) 875000. B) 25000. C) 141363. D) 230000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen touareg', 'byd tang', 'volkswagen magotan', 'mercedes-benz eqc', 'mazda 6', 'byd tang', 'roewe erx5', 'buick envision', 'byd song plus', 'audi a4l', 'toyota camry', 'volkswagen tiguan l', 'ford taurus', 'buick regal', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'byd dolphin', 'volvo s60', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1090
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 5.1, 4.9, 5.0, 4.8, 4.7, 4.9, 4.7, 4.6, 4.8, 4.9, 4.9, 4.7, 5.0, 4.9, 4.5, 5.0, 4.7, 4.1, 4.8, 2.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1091
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 28 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 9. B) 6. C) 8. D) 7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 22 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 28-22=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1092
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 8. B) 5. C) 7. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'white', 'black', 'black', 'blue', 'white', 'brown', 'gray', 'blue', 'silver', 'black', 'black', 'red', 'blue', 'white', 'black', 'pink', 'white', 'blue', 'yellow'] \/nStep 2, count all black vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1093
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"A) 22. B) 25. C) 23. D) 24.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'volkswagen touareg', 'byd tang', 'volkswagen magotan', 'mercedes-benz eqc', 'mazda 6', 'byd tang', 'roewe erx5', 'buick envision', 'byd song plus', 'audi a4l', 'toyota camry', 'volkswagen tiguan l', 'ford taurus', 'buick regal', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'byd dolphin', 'volvo s60', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000} \nStep 3, count vehicles priced below 300000 RMB: 22",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1094
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many pink subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white', 'white', 'black', 'black', 'blue', 'white', 'brown', 'gray', 'blue', 'silver', 'black', 'black', 'red', 'blue', 'white', 'black', 'pink', 'white', 'blue', 'yellow'] \nStep 2, identify the type of pink vehicles: ['subcompact'] \nStep 3, count pink subcompact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1095
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"micro-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2032.5, 1526.8], [2021.7, 1472.7], [2032.7, 1577.2], [2052.6, 1734.0], [2051.4, 1677.1], [2015.6, 1379.9], [2013.8, 1290.4], [2004.3, 1093.3], [2021.2, 1333.5], [2017.8, 1425.0], [1893.8, 2133.8], [2003.5, 1172.0], [2005.8, 1131.8], [2012.2, 1211.8], [2015.2, 1251.9], [1862.5, 1721.5], [1894.7, 2207.8], [1881.2, 2062.5], [1995.3, 801.4], [2049.8, 1781.0], [1546.2, 651.5], [1442.3, 684.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.6, 19.7, 135.9], [1.1, 17.3, 138.2], [1.6, 21.8, 133.8], [2.4, 28.0, 127.6], [2.4, 25.8, 129.7], [0.8, 13.1, 142.5], [0.7, 8.8, 146.8], [0.2, -1.8, 157.4], [1.1, 10.9, 144.7], [0.9, 15.2, 140.4], [-4.4, 41.5, 114.1], [0.2, 2.6, 153.0], [0.3, 0.4, 155.2], [0.7, 4.7, 150.8], [0.8, 6.8, 148.8], [-6.3, 27.5, 128.0], [-4.2, 43.7, 111.9], [-5.0, 39.3, 116.3], [-0.3, -20.5, 176.1], [2.3, 29.7, 125.8], [-30.7, -32.0, 187.6], [-37.2, -29.4, 184.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [137.3, 139.3, 135.5, 130.6, 132.3, 143.1, 147.1, 157.4, 145.1, 141.2, 121.5, 153.0, 155.2, 150.9, 148.9, 131.1, 120.2, 122.8, 177.3, 129.3, 192.7, 190.9] \/nStep 5, find the maximum distance to the drone: 192.7 \/nStep 6, identify the type of this vehicle: micro-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1096
+    },
+    {
+        "image":"b2e91eea-DJI_0371.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":12.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2032.5, 1526.8], [2021.7, 1472.7], [2032.7, 1577.2], [2052.6, 1734.0], [2051.4, 1677.1], [2015.6, 1379.9], [2013.8, 1290.4], [2004.3, 1093.3], [2021.2, 1333.5], [2017.8, 1425.0], [1893.8, 2133.8], [2003.5, 1172.0], [2005.8, 1131.8], [2012.2, 1211.8], [2015.2, 1251.9], [1862.5, 1721.5], [1894.7, 2207.8], [1881.2, 2062.5], [1995.3, 801.4], [2049.8, 1781.0], [1546.2, 651.5], [1442.3, 684.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.6, 19.7, 135.9], [1.1, 17.3, 138.2], [1.6, 21.8, 133.8], [2.4, 28.0, 127.6], [2.4, 25.8, 129.7], [0.8, 13.1, 142.5], [0.7, 8.8, 146.8], [0.2, -1.8, 157.4], [1.1, 10.9, 144.7], [0.9, 15.2, 140.4], [-4.4, 41.5, 114.1], [0.2, 2.6, 153.0], [0.3, 0.4, 155.2], [0.7, 4.7, 150.8], [0.8, 6.8, 148.8], [-6.3, 27.5, 128.0], [-4.2, 43.7, 111.9], [-5.0, 39.3, 116.3], [-0.3, -20.5, 176.1], [2.3, 29.7, 125.8], [-30.7, -32.0, 187.6], [-37.2, -29.4, 184.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [137.3, 139.3, 135.5, 130.6, 132.3, 143.1, 147.1, 157.4, 145.1, 141.2, 121.5, 153.0, 155.2, 150.9, 148.9, 131.1, 120.2, 122.8, 177.3, 129.3, 192.7, 190.9] \/nStep 5, find the maximum distance to the drone: 192.7 \/nStep 6, calculate the flight time of the drone: 192.7\/16=12.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1097
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Monica said she bought a new orange car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'blue', 'black', 'blue', 'white', 'black', 'brown', 'black', 'silver', 'gray', 'black', 'red', 'black', 'blue', 'white', 'black', 'white', 'pink', 'blue', 'yellow'] \/nStep 2, there is no orange car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1098
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1099
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1100
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 62284. B) 57284. C) 67284. D) 59284.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1101
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":3110000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'volkswagen magotan', 'roewe erx5', 'audi a4l', 'mercedes-benz eqc', 'byd tang', 'buick velite 5', 'volkswagen touareg', 'buick envision', 'mazda 6', 'toyota camry', 'byd song plus', 'ford taurus', 'buick regal', 'volkswagen tiguan l', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'volvo s60', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 3110000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1102
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 5.0, 4.7, 4.9, 4.8, 4.9, 4.6, 5.1, 4.6, 4.7, 4.9, 4.8, 5.0, 4.9, 4.7, 4.5, 5.0, 4.7, 4.8, 4.1, 2.5, 2.5] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1103
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 5.0, 4.7, 4.9, 4.8, 4.9, 4.6, 5.1, 4.6, 4.7, 4.9, 4.8, 5.0, 4.9, 4.7, 4.5, 5.0, 4.7, 4.8, 4.1, 2.5, 2.5] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1104
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'volkswagen magotan', 'roewe erx5', 'audi a4l', 'mercedes-benz eqc', 'byd tang', 'buick velite 5', 'volkswagen touareg', 'buick envision', 'mazda 6', 'toyota camry', 'byd song plus', 'ford taurus', 'buick regal', 'volkswagen tiguan l', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'volvo s60', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the maximum price of all vehicles: 230000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1105
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 155000. B) 25000. C) 190000. D) 230000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'volkswagen magotan', 'roewe erx5', 'audi a4l', 'mercedes-benz eqc', 'byd tang', 'buick velite 5', 'volkswagen touareg', 'buick envision', 'mazda 6', 'toyota camry', 'byd song plus', 'ford taurus', 'buick regal', 'volkswagen tiguan l', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'volvo s60', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1106
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 16 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"A) 1. B) 6. C) 8. D) 5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 22 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 22-16=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1107
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'mid-size', 'compact', 'mid-size', 'subcompact', 'micro-size', 'micro-size'] \/nStep 2, count all micro-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1108
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 23. B) 25. C) 24. D) 22.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'volkswagen magotan', 'roewe erx5', 'audi a4l', 'mercedes-benz eqc', 'byd tang', 'buick velite 5', 'volkswagen touareg', 'buick envision', 'mazda 6', 'toyota camry', 'byd song plus', 'ford taurus', 'buick regal', 'volkswagen tiguan l', 'bmw 1 series', 'honda accord', 'volkswagen lavida', 'volvo s60', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced below 300000 RMB: 22",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1109
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many pink micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) -1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'blue', 'black', 'blue', 'white', 'black', 'brown', 'black', 'silver', 'gray', 'black', 'red', 'black', 'blue', 'white', 'black', 'white', 'pink', 'blue', 'yellow'] \nStep 2, identify the type of pink vehicles: ['subcompact'] \nStep 3, count pink micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1110
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"e100",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2425.4, 1596.4], [2423.3, 1745.9], [2471.6, 1137.8], [2221.6, 2077.9], [2429.8, 1692.8], [2451.7, 1327.4], [2432.5, 1550.0], [2431.9, 1499.1], [2451.1, 1368.0], [2439.1, 1410.8], [2458.3, 1211.5], [2434.8, 1454.6], [2458.4, 1251.2], [2455.8, 1287.9], [2463.1, 1174.4], [2248.6, 1702.8], [2208.8, 2143.9], [2220.6, 2012.2], [2410.9, 1789.4], [2504.1, 859.6], [2107.2, 658.4], [2010.2, 675.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[20.4, 22.6, 133.0], [19.4, 28.4, 127.1], [26.3, 0.7, 154.8], [9.2, 39.8, 115.8], [20.0, 26.4, 129.1], [23.6, 10.6, 145.0], [21.0, 20.7, 134.9], [21.3, 18.5, 137.1], [23.3, 12.5, 143.0], [22.3, 14.5, 141.0], [24.9, 4.7, 150.9], [21.8, 16.5, 139.0], [24.6, 6.8, 148.8], [24.1, 8.6, 146.9], [25.5, 2.7, 152.8], [11.5, 26.8, 128.8], [8.6, 41.8, 113.8], [9.4, 37.7, 117.9], [18.6, 30.1, 125.5], [31.3, -16.5, 172.0], [7.2, -31.5, 187.0], [0.7, -30.1, 185.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [136.4, 131.7, 157.1, 122.8, 133.3, 147.3, 138.1, 140.0, 145.5, 143.5, 153.0, 141.7, 151.0, 149.2, 155.0, 132.0, 121.5, 124.1, 130.4, 175.6, 189.8, 188.1] \/nStep 5, find the maximum distance to the drone: 189.8 \/nStep 6, identify the model of this vehicle: e100",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1111
+    },
+    {
+        "image":"71c8533d-DJI_0373.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":10.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2425.4, 1596.4], [2423.3, 1745.9], [2471.6, 1137.8], [2221.6, 2077.9], [2429.8, 1692.8], [2451.7, 1327.4], [2432.5, 1550.0], [2431.9, 1499.1], [2451.1, 1368.0], [2439.1, 1410.8], [2458.3, 1211.5], [2434.8, 1454.6], [2458.4, 1251.2], [2455.8, 1287.9], [2463.1, 1174.4], [2248.6, 1702.8], [2208.8, 2143.9], [2220.6, 2012.2], [2410.9, 1789.4], [2504.1, 859.6], [2107.2, 658.4], [2010.2, 675.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[20.4, 22.6, 133.0], [19.4, 28.4, 127.1], [26.3, 0.7, 154.8], [9.2, 39.8, 115.8], [20.0, 26.4, 129.1], [23.6, 10.6, 145.0], [21.0, 20.7, 134.9], [21.3, 18.5, 137.1], [23.3, 12.5, 143.0], [22.3, 14.5, 141.0], [24.9, 4.7, 150.9], [21.8, 16.5, 139.0], [24.6, 6.8, 148.8], [24.1, 8.6, 146.9], [25.5, 2.7, 152.8], [11.5, 26.8, 128.8], [8.6, 41.8, 113.8], [9.4, 37.7, 117.9], [18.6, 30.1, 125.5], [31.3, -16.5, 172.0], [7.2, -31.5, 187.0], [0.7, -30.1, 185.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [136.4, 131.7, 157.1, 122.8, 133.3, 147.3, 138.1, 140.0, 145.5, 143.5, 153.0, 141.7, 151.0, 149.2, 155.0, 132.0, 121.5, 124.1, 130.4, 175.6, 189.8, 188.1] \/nStep 5, find the maximum distance to the drone: 189.8 \/nStep 6, calculate the flight time of the drone: 189.8\/18=10.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1112
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Phoebe said she bought a new purple car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'white', 'black', 'white', 'white', 'gray', 'black', 'white', 'black', 'blue', 'silver', 'red', 'red', 'black', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'blue', 'blue', 'blue', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white'] \/nStep 2, there is no purple car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1113
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 80. B) 30. C) 70. D) 110.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1114
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"A) 30. B) 60. C) 90. D) 45.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1115
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 57284. B) 62284. C) 58284. D) 67284.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1116
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000}",
+        "choices":"A) 538. B) 359. C) 10775000. D) 2155.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'mazda 6', 'byd tang', 'mercedes-benz eqc', 'volkswagen magotan', 'buick velite 5', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'volkswagen tiguan l', 'byd tang', 'toyota camry', 'buick regal', 'buick regal', 'ford taurus', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'baojun e100', 'baojun e100', 'bmw 1 series', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000} \nStep 3, sum the price of each vehicle: 10775000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1117
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":710000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'white', 'black', 'white', 'white', 'gray', 'black', 'white', 'black', 'blue', 'silver', 'red', 'red', 'black', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'blue', 'blue', 'blue', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white'] \nStep 2, identify the model of black vehicles: ['mazda 6', 'mercedes-benz eqc', 'volkswagen touareg', 'volkswagen tiguan l', 'ford taurus'] \nStep 3, query vehicle prices: {'mazda 6': 40000, 'mercedes-benz eqc': 185000, 'volkswagen touareg': 225000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000} \nStep 4, sum the price of each black vehicle: 710000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1118
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.5. B) 5.1. C) 295.5. D) 2.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.9, 4.8, 5.0, 4.6, 4.8, 5.1, 4.7, 4.7, 4.9, 4.9, 4.9, 4.9, 5.0, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 2.5, 2.5, 4.5, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8] \nStep 5, calculate the average length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1119
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":160000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'mazda 6', 'byd tang', 'mercedes-benz eqc', 'volkswagen magotan', 'buick velite 5', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'volkswagen tiguan l', 'byd tang', 'toyota camry', 'buick regal', 'buick regal', 'ford taurus', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'baojun e100', 'baojun e100', 'bmw 1 series', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000} \nStep 3, calculate the median price of all vehicles: 160000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1120
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.9, 4.8, 5.0, 4.6, 4.8, 5.1, 4.7, 4.7, 4.9, 4.9, 4.9, 4.9, 5.0, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 4.1, 2.5, 2.5, 4.5, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8, 4.8] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1121
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'mazda 6', 'byd tang', 'mercedes-benz eqc', 'volkswagen magotan', 'buick velite 5', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'volkswagen tiguan l', 'byd tang', 'toyota camry', 'buick regal', 'buick regal', 'ford taurus', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'baojun e100', 'baojun e100', 'bmw 1 series', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1122
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) yellow. C) brown. D) purple.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'white', 'black', 'white', 'white', 'gray', 'black', 'white', 'black', 'blue', 'silver', 'red', 'red', 'black', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'blue', 'blue', 'blue', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white'] \/nStep 2, count vehicles for each color: {'brown': 1, 'black': 5, 'white': 28, 'gray': 1, 'blue': 4, 'silver': 1, 'red': 2, 'pink': 24}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1123
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 57 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 66 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 66-57=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1124
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'subcompact', 'micro-size', 'micro-size', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'mid-size'] \/nStep 2, count all compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1125
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":66,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick envision', 'mazda 6', 'byd tang', 'mercedes-benz eqc', 'volkswagen magotan', 'buick velite 5', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'volkswagen tiguan l', 'byd tang', 'toyota camry', 'buick regal', 'buick regal', 'ford taurus', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'byd dolphin', 'baojun e100', 'baojun e100', 'bmw 1 series', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60', 'volvo s60'] \nStep 2, query all vehicle prices: {'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'bmw 1 series': 115000, 'volvo s60': 230000} \nStep 3, count vehicles priced below 300000 RMB: 66",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1126
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many red compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 0. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'white', 'black', 'white', 'white', 'gray', 'black', 'white', 'black', 'blue', 'silver', 'red', 'red', 'black', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'pink', 'blue', 'blue', 'blue', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white', 'white'] \nStep 2, identify the type of red vehicles: ['mid-size', 'mid-size'] \nStep 3, count red compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1127
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"e100",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1614.8, 1708.1], [1630.6, 1761.8], [1740.0, 1956.7], [1803.3, 2052.0], [1832.5, 2110.5], [1716.3, 1907.9], [1654.6, 1807.5], [1681.4, 1854.7], [1485.2, 1462.3], [1506.4, 1501.8], [1589.8, 1667.1], [1524.5, 1546.7], [1570.5, 1626.2], [1570.5, 1626.2], [1547.2, 1586.2], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [759.4, 1156.9], [759.4, 1156.9], [1640.2, 2195.9], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.8, 27.0, 128.5], [-16.8, 29.0, 126.5], [-11.2, 35.9, 119.7], [-8.3, 39.0, 116.6], [-6.9, 40.8, 114.8], [-12.4, 34.2, 121.3], [-15.5, 30.7, 124.9], [-14.1, 32.4, 123.2], [-25.7, 16.9, 138.7], [-24.4, 18.6, 137.0], [-19.2, 25.4, 130.1], [-23.1, 20.5, 135.0], [-20.4, 23.8, 131.8], [-20.4, 23.8, 131.8], [-21.8, 22.2, 133.4], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-68.8, 1.8, 153.8], [-68.8, 1.8, 153.8], [-14.6, 43.3, 112.2], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [132.6, 130.9, 125.5, 123.2, 122.0, 126.7, 129.5, 128.1, 142.1, 140.4, 134.0, 138.5, 135.4, 135.4, 137.0, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 168.5, 168.5, 121.2, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1] \/nStep 5, find the maximum distance to the drone: 168.5 \/nStep 6, identify the model of this vehicle: e100",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1128
+    },
+    {
+        "image":"7b768c3c-DJI_0374.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":10.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1614.8, 1708.1], [1630.6, 1761.8], [1740.0, 1956.7], [1803.3, 2052.0], [1832.5, 2110.5], [1716.3, 1907.9], [1654.6, 1807.5], [1681.4, 1854.7], [1485.2, 1462.3], [1506.4, 1501.8], [1589.8, 1667.1], [1524.5, 1546.7], [1570.5, 1626.2], [1570.5, 1626.2], [1547.2, 1586.2], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [1327.0, 1159.6], [759.4, 1156.9], [759.4, 1156.9], [1640.2, 2195.9], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8], [1856.3, 2160.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.8, 27.0, 128.5], [-16.8, 29.0, 126.5], [-11.2, 35.9, 119.7], [-8.3, 39.0, 116.6], [-6.9, 40.8, 114.8], [-12.4, 34.2, 121.3], [-15.5, 30.7, 124.9], [-14.1, 32.4, 123.2], [-25.7, 16.9, 138.7], [-24.4, 18.6, 137.0], [-19.2, 25.4, 130.1], [-23.1, 20.5, 135.0], [-20.4, 23.8, 131.8], [-20.4, 23.8, 131.8], [-21.8, 22.2, 133.4], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-37.3, 1.9, 153.6], [-68.8, 1.8, 153.8], [-68.8, 1.8, 153.8], [-14.6, 43.3, 112.2], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3], [-5.9, 42.3, 113.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [132.6, 130.9, 125.5, 123.2, 122.0, 126.7, 129.5, 128.1, 142.1, 140.4, 134.0, 138.5, 135.4, 135.4, 137.0, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 158.1, 168.5, 168.5, 121.2, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1, 121.1] \/nStep 5, find the maximum distance to the drone: 168.5 \/nStep 6, calculate the flight time of the drone: 168.5\/16=10.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":66,
+        "region":"image-level",
+        "qid":1129
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'blue', 'black', 'gray', 'gray', 'black', 'white', 'silver', 'red', 'black', 'black', 'pink', 'blue', 'yellow'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1130
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1131
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1132
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":57284,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1133
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 2110000. B) 105. C) 633. D) 422.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'buick envision', 'byd tang', 'byd tang', 'mazda 6', 'byd song plus', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, sum the price of each vehicle: 2110000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1134
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":131875,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'buick envision', 'byd tang', 'byd tang', 'mazda 6', 'byd song plus', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the average price of all vehicles: 131875",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1135
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":155000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'buick envision', 'byd tang', 'byd tang', 'mazda 6', 'byd song plus', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, calculate the median price of all vehicles: 155000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1136
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.9, 4.9, 4.7, 4.8, 4.8, 5.1, 4.7, 4.9, 4.9, 4.7, 5.0, 4.1, 2.5, 2.5] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1137
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.9, 4.9, 4.7, 4.8, 4.8, 5.1, 4.7, 4.9, 4.9, 4.7, 5.0, 4.1, 2.5, 2.5] \nStep 5, find the minimum length of all vehicles: 2.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1138
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'blue', 'black', 'gray', 'gray', 'black', 'white', 'silver', 'red', 'black', 'black', 'pink', 'blue', 'yellow'] \/nStep 2, count vehicles for each color: {'white': 3, 'brown': 1, 'blue': 2, 'black': 4, 'gray': 2, 'silver': 1, 'red': 1, 'pink': 1, 'yellow': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1139
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'subcompact', 'micro-size', 'micro-size'] \nStep 2, identify the color of mid-size vehicles: ['black', 'silver', 'red', 'black'] \nStep 3, count mid-size vehicles for each color: {'black': 2, 'silver': 1, 'red': 1} \nStep 4, sort to get the most common color of mid-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1140
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 15 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"A) 8. B) 3. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 16-15=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1141
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'mid-size', 'subcompact', 'micro-size', 'micro-size'] \/nStep 2, count all suv vehicles: 8",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1142
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 19. B) 18. C) 17. D) 16.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 5', 'buick envision', 'byd tang', 'byd tang', 'mazda 6', 'byd song plus', 'byd song plus', 'volkswagen touareg', 'roewe erx5', 'toyota camry', 'buick regal', 'volkswagen tiguan l', 'ford taurus', 'byd dolphin', 'baojun e100', 'baojun e100'] \nStep 2, query all vehicle prices: {'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000} \nStep 3, count vehicles priced below 500000 RMB: 16",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1143
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'white', 'blue', 'black', 'gray', 'gray', 'black', 'white', 'silver', 'red', 'black', 'black', 'pink', 'blue', 'yellow'] \nStep 2, identify the type of blue vehicles: ['suv', 'micro-size'] \nStep 3, count blue compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1144
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"e100",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2400.0, 2156.1], [2364.8, 1900.8], [2409.9, 2218.3], [2353.6, 1847.2], [2363.1, 1963.4], [2370.3, 2023.1], [2370.3, 2023.1], [2382.6, 2085.8], [2318.8, 1590.5], [2329.3, 1693.9], [2349.3, 1794.9], [2326.4, 1639.0], [2337.0, 1743.2], [2269.4, 1222.4], [1774.1, 1043.1], [1669.4, 1082.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[16.4, 42.1, 113.4], [16.0, 34.0, 121.6], [16.5, 44.0, 111.6], [15.7, 32.1, 123.4], [15.6, 36.1, 119.5], [15.7, 38.0, 117.5], [15.7, 38.0, 117.5], [15.9, 40.0, 115.5], [15.3, 22.3, 133.2], [15.3, 26.5, 129.1], [15.8, 30.3, 125.3], [15.4, 24.3, 131.2], [15.5, 28.3, 127.2], [14.6, 5.3, 150.3], [-13.1, -4.7, 160.3], [-18.8, -2.4, 158.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [122.1, 127.2, 121.1, 128.5, 125.8, 124.5, 124.5, 123.3, 135.9, 132.7, 129.9, 134.4, 131.3, 151.1, 160.9, 159.1] \/nStep 5, find the maximum distance to the drone: 160.9 \/nStep 6, identify the model of this vehicle: e100",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1145
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":16.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2400.0, 2156.1], [2364.8, 1900.8], [2409.9, 2218.3], [2353.6, 1847.2], [2363.1, 1963.4], [2370.3, 2023.1], [2370.3, 2023.1], [2382.6, 2085.8], [2318.8, 1590.5], [2329.3, 1693.9], [2349.3, 1794.9], [2326.4, 1639.0], [2337.0, 1743.2], [2269.4, 1222.4], [1774.1, 1043.1], [1669.4, 1082.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[16.4, 42.1, 113.4], [16.0, 34.0, 121.6], [16.5, 44.0, 111.6], [15.7, 32.1, 123.4], [15.6, 36.1, 119.5], [15.7, 38.0, 117.5], [15.7, 38.0, 117.5], [15.9, 40.0, 115.5], [15.3, 22.3, 133.2], [15.3, 26.5, 129.1], [15.8, 30.3, 125.3], [15.4, 24.3, 131.2], [15.5, 28.3, 127.2], [14.6, 5.3, 150.3], [-13.1, -4.7, 160.3], [-18.8, -2.4, 158.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [122.1, 127.2, 121.1, 128.5, 125.8, 124.5, 124.5, 123.3, 135.9, 132.7, 129.9, 134.4, 131.3, 151.1, 160.9, 159.1] \/nStep 5, find the maximum distance to the drone: 160.9 \/nStep 6, calculate the flight time of the drone: 160.9\/10=16.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1146
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Phoebe said she bought a new blue car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'blue', 'white', 'white', 'gray', 'white', 'white', 'black', 'black'] \/nStep 2, there is an blue car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1147
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 60. B) 80. C) 40. D) 120.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1148
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 60. B) 30. C) 70. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1149
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":1869,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1150
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":2445000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'bmw 4 series', 'audi a3', 'buick regal', 'byd song plus', 'aion s', 'mercedes-benz c-class', 'bmw 5 series', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000} \nStep 3, sum the price of each vehicle: 2445000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1151
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.8, 4.3, 4.9, 4.8, 4.9, 4.9, 5.2, 5.2] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1152
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"A) 170000. B) 271666. C) 145000. D) 220000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'bmw 4 series', 'audi a3', 'buick regal', 'byd song plus', 'aion s', 'mercedes-benz c-class', 'bmw 5 series', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000} \nStep 3, calculate the median price of all vehicles: 220000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1153
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.8, 4.3, 4.9, 4.8, 4.9, 4.9, 5.2, 5.2] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1154
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.8, 4.3, 4.9, 4.8, 4.9, 4.9, 5.2, 5.2] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1155
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'blue', 'white', 'white', 'gray', 'white', 'white', 'black', 'black'] \/nStep 2, count vehicles for each color: {'blue': 2, 'white': 4, 'gray': 1, 'black': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1156
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'sports', 'compact', 'mid-size', 'suv', 'compact', 'mid-size', 'full-size', 'full-size'] \nStep 2, identify the color of full-size vehicles: ['black', 'black'] \nStep 3, count full-size vehicles for each color: {'black': 2} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1157
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 4 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 7. B) 3. C) 6. D) 5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 9 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 9-4=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1158
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many gray vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'blue', 'white', 'white', 'gray', 'white', 'white', 'black', 'black'] \/nStep 2, count all gray vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1159
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"A) 5. B) 4. C) 6. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'bmw 4 series', 'audi a3', 'buick regal', 'byd song plus', 'aion s', 'mercedes-benz c-class', 'bmw 5 series', 'bmw 5 series'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'buick regal': 165000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000} \nStep 3, count vehicles priced above 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1160
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many white compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'blue', 'white', 'white', 'gray', 'white', 'white', 'black', 'black'] \nStep 2, identify the type of white vehicles: ['compact', 'mid-size', 'compact', 'mid-size'] \nStep 3, count white compact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1161
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1367.3, 314.6], [1489.2, 477.4], [1575.3, 649.4], [1331.7, 127.6], [1848.1, 1335.4], [1718.5, 988.3], [1776.7, 1170.3], [1636.8, 827.7], [1636.8, 827.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.1, -11.7, 40.0], [-7.4, -9.3, 40.0], [-6.1, -6.9, 40.0], [-9.6, -14.4, 40.0], [-2.2, 3.0, 40.0], [-4.1, -2.0, 40.0], [-3.2, 0.7, 40.0], [-5.2, -4.3, 40.0], [-5.2, -4.3, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [42.7, 41.7, 41.0, 43.6, 40.2, 40.3, 40.1, 40.6, 40.6] \/nStep 5, find the maximum distance to the drone: 43.6 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1162
+    },
+    {
+        "image":"1194c312-DJI_0378.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 3.6. B) 13. C) 12.5. D) 12.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1367.3, 314.6], [1489.2, 477.4], [1575.3, 649.4], [1331.7, 127.6], [1848.1, 1335.4], [1718.5, 988.3], [1776.7, 1170.3], [1636.8, 827.7], [1636.8, 827.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.1, -11.7, 40.0], [-7.4, -9.3, 40.0], [-6.1, -6.9, 40.0], [-9.6, -14.4, 40.0], [-2.2, 3.0, 40.0], [-4.1, -2.0, 40.0], [-3.2, 0.7, 40.0], [-5.2, -4.3, 40.0], [-5.2, -4.3, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [42.7, 41.7, 41.0, 43.6, 40.2, 40.3, 40.1, 40.6, 40.6] \/nStep 5, find the maximum distance to the drone: 43.6 \/nStep 6, calculate the flight time of the drone: 43.6\/12=3.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":9,
+        "region":"image-level",
+        "qid":1163
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Phoebe said she bought a new orange car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'gray', 'black', 'black', 'black', 'blue', 'gray'] \/nStep 2, there is no orange car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1164
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 20. B) 40. C) 30. D) 120.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1165
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1166
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":1869,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1167
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"",
+        "answer":1215000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'tesla model y', 'byd f0', 'mercedes-benz b-class', 'byd song plus'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000} \nStep 3, sum the price of each vehicle: 1215000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1168
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.3, 4.7, 4.7, 4.8, 3.5, 4.4, 4.8] \nStep 5, calculate the average length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1169
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"",
+        "answer":162500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'tesla model y', 'byd f0', 'mercedes-benz b-class', 'byd song plus'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000} \nStep 3, calculate the median price of all vehicles: 162500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1170
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"A) 20000. B) 151875. C) 175000. D) 305000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'tesla model y', 'byd f0', 'mercedes-benz b-class', 'byd song plus'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000} \nStep 3, calculate the maximum price of all vehicles: 305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1171
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":3.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.3, 4.7, 4.7, 4.8, 3.5, 4.4, 4.8] \nStep 5, find the minimum length of all vehicles: 3.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1172
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) yellow. C) green. D) orange.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'gray', 'black', 'black', 'black', 'blue', 'gray'] \/nStep 2, count vehicles for each color: {'brown': 1, 'golden': 1, 'gray': 2, 'black': 3, 'blue': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1173
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) blue. C) purple. D) golden.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'compact', 'suv', 'mid-size', 'micro-size', 'compact', 'suv'] \nStep 2, identify the color of mid-size vehicles: ['black'] \nStep 3, count mid-size vehicles for each color: {'black': 1} \nStep 4, sort to get the most common color of mid-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1174
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were -1 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 8 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 8--1=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1175
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'compact', 'suv', 'mid-size', 'micro-size', 'compact', 'suv'] \/nStep 2, count all micro-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1176
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'tesla model y', 'byd f0', 'mercedes-benz b-class', 'byd song plus'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1177
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 0. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'golden', 'gray', 'black', 'black', 'black', 'blue', 'gray'] \nStep 2, identify the type of black vehicles: ['suv', 'mid-size', 'micro-size'] \nStep 3, count black suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1178
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"skoda",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2062.9, 1051.4], [2821.0, 779.0], [3758.1, 504.9], [2206.1, 461.7], [3707.2, 324.1], [1224.0, 1344.0], [2688.3, 303.4], [3057.2, 151.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.9, -1.1, 40.0], [11.8, -5.0, 40.0], [25.3, -8.9, 40.0], [3.0, -9.6, 40.0], [24.6, -11.5, 40.0], [-11.2, 3.2, 40.0], [9.9, -11.8, 40.0], [15.2, -14.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.0, 42.0, 48.2, 41.2, 48.4, 41.7, 42.9, 45.0] \/nStep 5, find the minimum distance to the drone: 40.0 \/nStep 6, identify the brand of this vehicle: skoda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1179
+    },
+    {
+        "image":"d8f5bef9-DJI_0379.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2062.9, 1051.4], [2821.0, 779.0], [3758.1, 504.9], [2206.1, 461.7], [3707.2, 324.1], [1224.0, 1344.0], [2688.3, 303.4], [3057.2, 151.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.9, -1.1, 40.0], [11.8, -5.0, 40.0], [25.3, -8.9, 40.0], [3.0, -9.6, 40.0], [24.6, -11.5, 40.0], [-11.2, 3.2, 40.0], [9.9, -11.8, 40.0], [15.2, -14.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.0, 42.0, 48.2, 41.2, 48.4, 41.7, 42.9, 45.0] \/nStep 5, find the minimum distance to the drone: 40.0 \/nStep 6, calculate the flight time of the drone: 40.0\/10=4.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1180
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Phoebe said she bought a new golden car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'white', 'blue', 'blue', 'red', 'black', 'blue', 'gray', 'white', 'black', 'black', 'blue', 'black'] \/nStep 2, there is no golden car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1181
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1182
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1183
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7477,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1184
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"A) 193. B) 3860000. C) 772. D) 128.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['aion s', 'audi a3', 'honda civic', 'mercedes-benz c-class', 'buick regal', 'volvo xc60', 'bmw 4 series', 'volkswagen sagitar', 'honda inspire', 'volvo xc60', 'byd song plus', 'volkswagen lavida', 'bmw x5', 'bmw 5 series', 'chery tiggo 8', 'volvo s90'] \nStep 2, query all vehicle prices: {'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000} \nStep 3, sum the price of each vehicle: 3860000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1185
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":241250,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['aion s', 'audi a3', 'honda civic', 'mercedes-benz c-class', 'buick regal', 'volvo xc60', 'bmw 4 series', 'volkswagen sagitar', 'honda inspire', 'volvo xc60', 'byd song plus', 'volkswagen lavida', 'bmw x5', 'bmw 5 series', 'chery tiggo 8', 'volvo s90'] \nStep 2, query all vehicle prices: {'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000} \nStep 3, calculate the average price of all vehicles: 241250",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1186
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.3, 4.5, 4.9, 4.9, 4.7, 4.8, 4.8, 5.0, 4.7, 4.8, 4.7, 5.1, 5.2, 4.7, 5.1] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1187
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.3, 4.5, 4.9, 4.9, 4.7, 4.8, 4.8, 5.0, 4.7, 4.8, 4.7, 5.1, 5.2, 4.7, 5.1] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1188
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"A) 50000. B) 167500. C) 115000. D) 675000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['aion s', 'audi a3', 'honda civic', 'mercedes-benz c-class', 'buick regal', 'volvo xc60', 'bmw 4 series', 'volkswagen sagitar', 'honda inspire', 'volvo xc60', 'byd song plus', 'volkswagen lavida', 'bmw x5', 'bmw 5 series', 'chery tiggo 8', 'volvo s90'] \nStep 2, query all vehicle prices: {'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1189
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'white', 'blue', 'blue', 'red', 'black', 'blue', 'gray', 'white', 'black', 'black', 'blue', 'black'] \/nStep 2, count vehicles for each color: {'white': 5, 'silver': 1, 'blue': 4, 'red': 1, 'black': 4, 'gray': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1190
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) white. C) purple. D) brown.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'sports', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'suv', 'full-size', 'suv', 'full-size'] \nStep 2, identify the color of full-size vehicles: ['black', 'black'] \nStep 3, count full-size vehicles for each color: {'black': 2} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1191
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 13 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 6. B) 5. C) 3. D) 7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 16-13=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1192
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'sports', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'suv', 'full-size', 'suv', 'full-size'] \/nStep 2, count all mid-size vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1193
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"A) 16. B) 18. C) 17. D) 15.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['aion s', 'audi a3', 'honda civic', 'mercedes-benz c-class', 'buick regal', 'volvo xc60', 'bmw 4 series', 'volkswagen sagitar', 'honda inspire', 'volvo xc60', 'byd song plus', 'volkswagen lavida', 'bmw x5', 'bmw 5 series', 'chery tiggo 8', 'volvo s90'] \nStep 2, query all vehicle prices: {'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000} \nStep 3, count vehicles priced below 500000 RMB: 15",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1194
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many red sports vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'white', 'blue', 'blue', 'red', 'black', 'blue', 'gray', 'white', 'black', 'black', 'blue', 'black'] \nStep 2, identify the type of red vehicles: ['compact'] \nStep 3, count red sports vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1195
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"regal",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1394.6, 1701.6], [1352.7, 1529.5], [1133.3, 831.6], [1409.4, 1793.3], [1276.5, 1268.9], [1281.7, 1360.2], [1326.2, 1443.6], [1062.9, 590.9], [1161.4, 919.7], [1031.2, 471.5], [1430.7, 1880.4], [1220.9, 1024.4], [1111.3, 744.0], [1369.8, 1618.6], [1238.0, 1115.0], [983.2, 289.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.5, 16.6, 80.0], [-18.7, 11.7, 80.0], [-25.0, -8.5, 80.0], [-17.0, 19.3, 80.0], [-20.9, 4.1, 80.0], [-20.7, 6.8, 80.0], [-19.4, 9.2, 80.0], [-27.0, -15.4, 80.0], [-24.2, -5.9, 80.0], [-27.9, -18.8, 80.0], [-16.4, 21.8, 80.0], [-22.5, -2.9, 80.0], [-25.6, -11.0, 80.0], [-18.2, 14.2, 80.0], [-22.0, -0.3, 80.0], [-29.3, -24.1, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.6, 83.0, 84.2, 84.0, 82.8, 82.9, 82.8, 85.8, 83.8, 86.8, 84.5, 83.1, 84.7, 83.3, 83.0, 88.5] \/nStep 5, find the minimum distance to the drone: 82.8 \/nStep 6, identify the model of this vehicle: regal",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1196
+    },
+    {
+        "image":"dd3c065e-DJI_0381.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 8.3. B) 11. C) 10.5. D) 10.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1394.6, 1701.6], [1352.7, 1529.5], [1133.3, 831.6], [1409.4, 1793.3], [1276.5, 1268.9], [1281.7, 1360.2], [1326.2, 1443.6], [1062.9, 590.9], [1161.4, 919.7], [1031.2, 471.5], [1430.7, 1880.4], [1220.9, 1024.4], [1111.3, 744.0], [1369.8, 1618.6], [1238.0, 1115.0], [983.2, 289.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.5, 16.6, 80.0], [-18.7, 11.7, 80.0], [-25.0, -8.5, 80.0], [-17.0, 19.3, 80.0], [-20.9, 4.1, 80.0], [-20.7, 6.8, 80.0], [-19.4, 9.2, 80.0], [-27.0, -15.4, 80.0], [-24.2, -5.9, 80.0], [-27.9, -18.8, 80.0], [-16.4, 21.8, 80.0], [-22.5, -2.9, 80.0], [-25.6, -11.0, 80.0], [-18.2, 14.2, 80.0], [-22.0, -0.3, 80.0], [-29.3, -24.1, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.6, 83.0, 84.2, 84.0, 82.8, 82.9, 82.8, 85.8, 83.8, 86.8, 84.5, 83.1, 84.7, 83.3, 83.0, 88.5] \/nStep 5, find the minimum distance to the drone: 82.8 \/nStep 6, calculate the flight time of the drone: 82.8\/10=8.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1197
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Rachel said she bought a new golden car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'white', 'gray', 'blue', 'blue', 'blue', 'black', 'white', 'red', 'blue', 'black', 'black', 'black', 'brown', 'golden', 'gray', 'black', 'black', 'blue', 'black'] \/nStep 2, there is an golden car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1198
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1199
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 30. B) 70. C) 60. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1200
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 16823. B) 18823. C) 21823. D) 26823.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1201
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":4905000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'audi a3', 'mercedes-benz c-class', 'volkswagen lavida', 'aion s', 'byd song plus', 'bmw 4 series', 'volvo xc60', 'volvo xc60', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'bmw 5 series', 'volvo s90', 'bmw x5', 'skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'byd f0', 'mercedes-benz b-class', 'tesla model y'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000} \nStep 3, sum the price of each vehicle: 4905000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1202
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"A) 1335000. B) 267000. C) 125000. D) 455000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'white', 'gray', 'blue', 'blue', 'blue', 'black', 'white', 'red', 'blue', 'black', 'black', 'black', 'brown', 'golden', 'gray', 'black', 'black', 'blue', 'black'] \nStep 2, identify the model of blue vehicles: ['bmw 4 series', 'volvo xc60', 'volvo xc60', 'chery tiggo 8', 'mercedes-benz b-class'] \nStep 3, query vehicle prices: {'bmw 4 series': 455000, 'volvo xc60': 290000, 'chery tiggo 8': 125000, 'mercedes-benz b-class': 175000} \nStep 4, sum the price of each blue vehicle: 1335000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1203
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"A) 1335000. B) 675000. C) 20000. D) 213260.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'audi a3', 'mercedes-benz c-class', 'volkswagen lavida', 'aion s', 'byd song plus', 'bmw 4 series', 'volvo xc60', 'volvo xc60', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'bmw 5 series', 'volvo s90', 'bmw x5', 'skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'byd f0', 'mercedes-benz b-class', 'tesla model y'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000} \nStep 3, calculate the average price of all vehicles: 213260",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1204
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.3, 4.9, 4.7, 4.9, 4.8, 4.8, 4.7, 4.7, 5.0, 4.9, 4.8, 4.7, 5.2, 5.1, 5.1, 4.4, 4.3, 4.7, 4.7, 3.5, 4.4, 4.8] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1205
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"A) 1335000. B) 165000. C) 213260. D) 675000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'audi a3', 'mercedes-benz c-class', 'volkswagen lavida', 'aion s', 'byd song plus', 'bmw 4 series', 'volvo xc60', 'volvo xc60', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'bmw 5 series', 'volvo s90', 'bmw x5', 'skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'byd f0', 'mercedes-benz b-class', 'tesla model y'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1206
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'audi a3', 'mercedes-benz c-class', 'volkswagen lavida', 'aion s', 'byd song plus', 'bmw 4 series', 'volvo xc60', 'volvo xc60', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'bmw 5 series', 'volvo s90', 'bmw x5', 'skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'byd f0', 'mercedes-benz b-class', 'tesla model y'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1207
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) purple. B) black. C) gray. D) brown.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'white', 'gray', 'blue', 'blue', 'blue', 'black', 'white', 'red', 'blue', 'black', 'black', 'black', 'brown', 'golden', 'gray', 'black', 'black', 'blue', 'black'] \/nStep 2, count vehicles for each color: {'silver': 1, 'white': 5, 'gray': 2, 'blue': 5, 'black': 7, 'red': 1, 'brown': 1, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1208
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 17 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"A) 7. B) 6. C) 8. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 23 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 23-17=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1209
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 8. B) 6. C) 9. D) 7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'sports', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'suv', 'full-size', 'full-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'micro-size', 'compact', 'mid-size'] \/nStep 2, count all suv vehicles: 7",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1210
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'audi a3', 'mercedes-benz c-class', 'volkswagen lavida', 'aion s', 'byd song plus', 'bmw 4 series', 'volvo xc60', 'volvo xc60', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'bmw 5 series', 'volvo s90', 'bmw x5', 'skoda karoq', 'volkswagen golf', 'changan uni-v', 'harvard h6', 'byd f0', 'mercedes-benz b-class', 'tesla model y'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000} \nStep 3, count vehicles priced above 300000 RMB: 5",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1211
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many golden suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'white', 'white', 'white', 'gray', 'blue', 'blue', 'blue', 'black', 'white', 'red', 'blue', 'black', 'black', 'black', 'brown', 'golden', 'gray', 'black', 'black', 'blue', 'black'] \nStep 2, identify the type of golden vehicles: ['compact'] \nStep 3, count golden suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1212
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"full-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[790.5, 728.2], [958.1, 1199.0], [1006.3, 1376.9], [854.4, 857.4], [992.2, 1315.2], [1021.6, 1434.9], [937.7, 1141.6], [905.2, 1085.1], [710.1, 485.5], [813.0, 787.6], [899.6, 1023.1], [735.7, 566.1], [868.0, 919.2], [973.3, 1258.8], [674.3, 362.7], [771.6, 669.2], [1492.1, 1976.5], [1746.4, 1892.7], [2036.6, 1816.9], [1537.3, 1787.3], [1212.7, 2061.3], [1698.5, 1738.4], [2011.7, 1759.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-52.3, -17.2, 120.0], [-45.1, 3.2, 120.0], [-43.0, 10.9, 120.0], [-49.5, -11.6, 120.0], [-43.6, 8.2, 120.0], [-42.3, 13.4, 120.0], [-45.9, 0.7, 120.0], [-47.4, -1.7, 120.0], [-55.8, -27.7, 120.0], [-51.3, -14.6, 120.0], [-47.6, -4.4, 120.0], [-54.7, -24.2, 120.0], [-49.0, -8.9, 120.0], [-44.4, 5.8, 120.0], [-57.3, -33.0, 120.0], [-53.1, -19.7, 120.0], [-22.0, 36.8, 120.0], [-11.0, 33.2, 120.0], [1.6, 29.9, 120.0], [-20.0, 28.6, 120.0], [-34.1, 40.5, 120.0], [-13.0, 26.5, 120.0], [0.5, 27.5, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [132.0, 128.2, 127.9, 130.3, 127.9, 127.9, 128.5, 129.0, 135.2, 131.3, 129.2, 134.1, 129.9, 128.1, 137.0, 132.7, 127.4, 125.0, 123.7, 125.0, 131.1, 123.6, 123.1] \/nStep 5, find the maximum distance to the drone: 137.0 \/nStep 6, identify the type of this vehicle: full-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1213
+    },
+    {
+        "image":"3aa8555d-DJI_0382.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":11.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[790.5, 728.2], [958.1, 1199.0], [1006.3, 1376.9], [854.4, 857.4], [992.2, 1315.2], [1021.6, 1434.9], [937.7, 1141.6], [905.2, 1085.1], [710.1, 485.5], [813.0, 787.6], [899.6, 1023.1], [735.7, 566.1], [868.0, 919.2], [973.3, 1258.8], [674.3, 362.7], [771.6, 669.2], [1492.1, 1976.5], [1746.4, 1892.7], [2036.6, 1816.9], [1537.3, 1787.3], [1212.7, 2061.3], [1698.5, 1738.4], [2011.7, 1759.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-52.3, -17.2, 120.0], [-45.1, 3.2, 120.0], [-43.0, 10.9, 120.0], [-49.5, -11.6, 120.0], [-43.6, 8.2, 120.0], [-42.3, 13.4, 120.0], [-45.9, 0.7, 120.0], [-47.4, -1.7, 120.0], [-55.8, -27.7, 120.0], [-51.3, -14.6, 120.0], [-47.6, -4.4, 120.0], [-54.7, -24.2, 120.0], [-49.0, -8.9, 120.0], [-44.4, 5.8, 120.0], [-57.3, -33.0, 120.0], [-53.1, -19.7, 120.0], [-22.0, 36.8, 120.0], [-11.0, 33.2, 120.0], [1.6, 29.9, 120.0], [-20.0, 28.6, 120.0], [-34.1, 40.5, 120.0], [-13.0, 26.5, 120.0], [0.5, 27.5, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [132.0, 128.2, 127.9, 130.3, 127.9, 127.9, 128.5, 129.0, 135.2, 131.3, 129.2, 134.1, 129.9, 128.1, 137.0, 132.7, 127.4, 125.0, 123.7, 125.0, 131.1, 123.6, 123.1] \/nStep 5, find the maximum distance to the drone: 137.0 \/nStep 6, calculate the flight time of the drone: 137.0\/12=11.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":23,
+        "region":"image-level",
+        "qid":1214
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Rachel said she bought a new brown car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'gray', 'white', 'blue', 'blue', 'white', 'red', 'black', 'black', 'white', 'white', 'blue', 'blue', 'black', 'black'] \/nStep 2, there is no brown car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1215
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1216
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1217
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20137,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1218
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":3860000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'honda civic', 'byd song plus', 'aion s', 'bmw 4 series', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw 5 series', 'honda inspire', 'mercedes-benz c-class', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'volvo s90', 'bmw x5'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000} \nStep 3, sum the price of each vehicle: 3860000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1219
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.5, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.2, 5.0, 4.9, 4.9, 4.7, 4.7, 5.1, 5.1] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1220
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"A) 675000. B) 50000. C) 115000. D) 167500.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'honda civic', 'byd song plus', 'aion s', 'bmw 4 series', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw 5 series', 'honda inspire', 'mercedes-benz c-class', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'volvo s90', 'bmw x5'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000} \nStep 3, calculate the median price of all vehicles: 167500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1221
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.5, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.2, 5.0, 4.9, 4.9, 4.7, 4.7, 5.1, 5.1] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1222
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.3. B) 4. C) 5.2. D) 4.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.5, 4.8, 4.9, 4.8, 4.7, 4.7, 4.8, 5.2, 5.0, 4.9, 4.9, 4.7, 4.7, 5.1, 5.1] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1223
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) blue. B) black. C) purple. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'gray', 'white', 'blue', 'blue', 'white', 'red', 'black', 'black', 'white', 'white', 'blue', 'blue', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 5, 'silver': 1, 'gray': 1, 'blue': 4, 'red': 1, 'black': 4}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1224
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'compact', 'sports', 'suv', 'compact', 'compact', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'full-size', 'suv'] \nStep 2, identify the color of suv vehicles: ['gray', 'blue', 'blue', 'blue', 'black'] \nStep 3, count suv vehicles for each color: {'gray': 1, 'blue': 3, 'black': 1} \nStep 4, sort to get the most common color of suv vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1225
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 16-11=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1226
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 6. C) 7. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'compact', 'sports', 'suv', 'compact', 'compact', 'full-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'suv', 'full-size', 'suv'] \/nStep 2, count all suv vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1227
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'honda civic', 'byd song plus', 'aion s', 'bmw 4 series', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw 5 series', 'honda inspire', 'mercedes-benz c-class', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'volvo s90', 'bmw x5'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000} \nStep 3, count vehicles priced below 300000 RMB: 12",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1228
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many red suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) -1. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'gray', 'white', 'blue', 'blue', 'white', 'red', 'black', 'black', 'white', 'white', 'blue', 'blue', 'black', 'black'] \nStep 2, identify the type of red vehicles: ['compact'] \nStep 3, count red suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1229
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[654.0, 1671.0], [581.9, 1178.0], [668.2, 1954.2], [663.8, 1807.6], [643.6, 1605.0], [557.5, 957.0], [622.3, 1304.1], [564.7, 1030.1], [654.9, 1740.0], [590.9, 1235.4], [663.0, 1884.1], [629.4, 1476.4], [622.5, 1364.2], [620.4, 1541.1], [551.5, 854.1], [578.4, 1120.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-50.3, 20.4, 103.7], [-58.4, 2.2, 114.2], [-47.3, 29.4, 98.5], [-48.7, 24.9, 101.1], [-51.3, 18.2, 105.0], [-62.2, -7.2, 119.7], [-55.3, 7.2, 111.3], [-60.9, -4.0, 117.8], [-49.6, 22.7, 102.4], [-57.3, 4.5, 112.9], [-48.1, 27.3, 99.7], [-53.2, 13.6, 107.6], [-54.6, 9.5, 110.0], [-52.8, 15.9, 106.3], [-63.9, -11.9, 122.4], [-59.2, -0.2, 115.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [117.0, 128.3, 113.1, 114.9, 118.3, 135.1, 124.5, 132.7, 116.0, 126.7, 114.0, 120.8, 123.2, 119.7, 138.6, 129.9] \/nStep 5, find the maximum distance to the drone: 138.6 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1230
+    },
+    {
+        "image":"ca210396-DJI_0383.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":11.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[654.0, 1671.0], [581.9, 1178.0], [668.2, 1954.2], [663.8, 1807.6], [643.6, 1605.0], [557.5, 957.0], [622.3, 1304.1], [564.7, 1030.1], [654.9, 1740.0], [590.9, 1235.4], [663.0, 1884.1], [629.4, 1476.4], [622.5, 1364.2], [620.4, 1541.1], [551.5, 854.1], [578.4, 1120.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-50.3, 20.4, 103.7], [-58.4, 2.2, 114.2], [-47.3, 29.4, 98.5], [-48.7, 24.9, 101.1], [-51.3, 18.2, 105.0], [-62.2, -7.2, 119.7], [-55.3, 7.2, 111.3], [-60.9, -4.0, 117.8], [-49.6, 22.7, 102.4], [-57.3, 4.5, 112.9], [-48.1, 27.3, 99.7], [-53.2, 13.6, 107.6], [-54.6, 9.5, 110.0], [-52.8, 15.9, 106.3], [-63.9, -11.9, 122.4], [-59.2, -0.2, 115.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [117.0, 128.3, 113.1, 114.9, 118.3, 135.1, 124.5, 132.7, 116.0, 126.7, 114.0, 120.8, 123.2, 119.7, 138.6, 129.9] \/nStep 5, find the maximum distance to the drone: 138.6 \/nStep 6, calculate the flight time of the drone: 138.6\/12=11.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1231
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Rachel said she bought a new black car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'blue', 'white', 'silver', 'gray', 'black', 'white', 'gray', 'black', 'white', 'red', 'blue', 'blue', 'black', 'brown', 'black', 'black', 'black', 'golden', 'blue', 'black', 'gray'] \/nStep 2, there is an black car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1232
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1233
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1234
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20137,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1235
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"A) 1522. B) 5075000. C) 1015. D) 169.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw 4 series', 'audi a3', 'aion s', 'volvo xc60', 'mercedes-benz c-class', 'honda civic', 'byd song plus', 'bmw 5 series', 'volkswagen lavida', 'changan uni-v', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'volvo xc60', 'tesla model y', 'skoda karoq', 'volvo s90', 'bmw x5', 'harvard h6', 'volkswagen golf', 'mercedes-benz b-class', 'byd f0', 'byd song plus'] \nStep 2, query all vehicle prices: {'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000} \nStep 3, sum the price of each vehicle: 5075000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1236
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"A) 211458. B) 675000. C) 20000. D) 167500.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw 4 series', 'audi a3', 'aion s', 'volvo xc60', 'mercedes-benz c-class', 'honda civic', 'byd song plus', 'bmw 5 series', 'volkswagen lavida', 'changan uni-v', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'volvo xc60', 'tesla model y', 'skoda karoq', 'volvo s90', 'bmw x5', 'harvard h6', 'volkswagen golf', 'mercedes-benz b-class', 'byd f0', 'byd song plus'] \nStep 2, query all vehicle prices: {'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000} \nStep 3, calculate the average price of all vehicles: 211458",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1237
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.3, 4.9, 4.7, 4.9, 4.5, 4.8, 5.2, 4.7, 4.7, 5.0, 4.9, 4.8, 4.7, 4.7, 4.8, 4.4, 5.1, 5.1, 4.7, 4.3, 4.4, 3.5, 4.8] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1238
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.3, 4.9, 4.7, 4.9, 4.5, 4.8, 5.2, 4.7, 4.7, 5.0, 4.9, 4.8, 4.7, 4.7, 4.8, 4.4, 5.1, 5.1, 4.7, 4.3, 4.4, 3.5, 4.8] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1239
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"A) 675000. B) 155000. C) 211458. D) 20000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw 4 series', 'audi a3', 'aion s', 'volvo xc60', 'mercedes-benz c-class', 'honda civic', 'byd song plus', 'bmw 5 series', 'volkswagen lavida', 'changan uni-v', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'volvo xc60', 'tesla model y', 'skoda karoq', 'volvo s90', 'bmw x5', 'harvard h6', 'volkswagen golf', 'mercedes-benz b-class', 'byd f0', 'byd song plus'] \nStep 2, query all vehicle prices: {'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1240
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'blue', 'white', 'silver', 'gray', 'black', 'white', 'gray', 'black', 'white', 'red', 'blue', 'blue', 'black', 'brown', 'black', 'black', 'black', 'golden', 'blue', 'black', 'gray'] \/nStep 2, count vehicles for each color: {'blue': 5, 'white': 5, 'silver': 1, 'gray': 3, 'black': 7, 'red': 1, 'brown': 1, 'golden': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1241
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 27 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"A) 4. B) 6. C) 3. D) 9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 24 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 27-24=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1242
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['sports', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'full-size', 'compact', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'full-size', 'suv', 'suv', 'compact', 'compact', 'micro-size', 'suv'] \/nStep 2, count all mid-size vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1243
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw 4 series', 'audi a3', 'aion s', 'volvo xc60', 'mercedes-benz c-class', 'honda civic', 'byd song plus', 'bmw 5 series', 'volkswagen lavida', 'changan uni-v', 'honda inspire', 'buick regal', 'volkswagen sagitar', 'chery tiggo 8', 'volvo xc60', 'tesla model y', 'skoda karoq', 'volvo s90', 'bmw x5', 'harvard h6', 'volkswagen golf', 'mercedes-benz b-class', 'byd f0', 'byd song plus'] \nStep 2, query all vehicle prices: {'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000} \nStep 3, count vehicles priced above 500000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1244
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many golden suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'blue', 'white', 'silver', 'gray', 'black', 'white', 'gray', 'black', 'white', 'red', 'blue', 'blue', 'black', 'brown', 'black', 'black', 'black', 'golden', 'blue', 'black', 'gray'] \nStep 2, identify the type of golden vehicles: ['compact'] \nStep 3, count golden suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1245
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"s90",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[750.2, 1053.6], [762.5, 1108.2], [775.5, 1219.0], [654.0, 512.5], [777.2, 1280.8], [683.3, 698.4], [783.3, 1336.5], [764.7, 1163.9], [721.1, 802.8], [1938.7, 1727.7], [692.1, 746.6], [734.4, 947.0], [663.0, 572.6], [725.8, 853.1], [729.9, 999.0], [1918.5, 1661.0], [1250.9, 1948.6], [645.5, 426.7], [677.5, 647.3], [1335.8, 1712.2], [1571.7, 1837.4], [1531.6, 1652.3], [879.2, 2078.7], [1676.9, 1599.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-52.8, -3.0, 117.2], [-51.7, -0.7, 115.9], [-50.0, 3.8, 113.3], [-64.2, -29.2, 132.3], [-49.3, 6.3, 111.8], [-60.1, -19.5, 126.7], [-48.5, 8.4, 110.6], [-51.0, 1.6, 114.5], [-57.0, -14.4, 123.8], [-2.3, 22.3, 102.6], [-59.1, -17.1, 125.3], [-54.7, -7.7, 119.9], [-62.9, -26.0, 130.5], [-56.2, -12.0, 122.4], [-54.3, -5.4, 118.6], [-3.1, 20.1, 103.9], [-26.6, 29.3, 98.6], [-66.0, -34.0, 135.1], [-61.1, -22.1, 128.2], [-24.6, 21.8, 102.9], [-15.5, 25.8, 100.6], [-17.6, 19.8, 104.1], [-38.9, 33.1, 96.3], [-12.2, 18.0, 105.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.6, 126.9, 123.9, 150.0, 122.4, 141.6, 121.1, 125.4, 137.0, 105.0, 139.6, 132.0, 147.1, 135.2, 130.5, 105.8, 106.2, 154.1, 143.7, 108.0, 105.0, 107.4, 109.1, 107.3] \/nStep 5, find the maximum distance to the drone: 154.1 \/nStep 6, identify the model of this vehicle: s90",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1246
+    },
+    {
+        "image":"0a1b4809-DJI_0384.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":15.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[750.2, 1053.6], [762.5, 1108.2], [775.5, 1219.0], [654.0, 512.5], [777.2, 1280.8], [683.3, 698.4], [783.3, 1336.5], [764.7, 1163.9], [721.1, 802.8], [1938.7, 1727.7], [692.1, 746.6], [734.4, 947.0], [663.0, 572.6], [725.8, 853.1], [729.9, 999.0], [1918.5, 1661.0], [1250.9, 1948.6], [645.5, 426.7], [677.5, 647.3], [1335.8, 1712.2], [1571.7, 1837.4], [1531.6, 1652.3], [879.2, 2078.7], [1676.9, 1599.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-52.8, -3.0, 117.2], [-51.7, -0.7, 115.9], [-50.0, 3.8, 113.3], [-64.2, -29.2, 132.3], [-49.3, 6.3, 111.8], [-60.1, -19.5, 126.7], [-48.5, 8.4, 110.6], [-51.0, 1.6, 114.5], [-57.0, -14.4, 123.8], [-2.3, 22.3, 102.6], [-59.1, -17.1, 125.3], [-54.7, -7.7, 119.9], [-62.9, -26.0, 130.5], [-56.2, -12.0, 122.4], [-54.3, -5.4, 118.6], [-3.1, 20.1, 103.9], [-26.6, 29.3, 98.6], [-66.0, -34.0, 135.1], [-61.1, -22.1, 128.2], [-24.6, 21.8, 102.9], [-15.5, 25.8, 100.6], [-17.6, 19.8, 104.1], [-38.9, 33.1, 96.3], [-12.2, 18.0, 105.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.6, 126.9, 123.9, 150.0, 122.4, 141.6, 121.1, 125.4, 137.0, 105.0, 139.6, 132.0, 147.1, 135.2, 130.5, 105.8, 106.2, 154.1, 143.7, 108.0, 105.0, 107.4, 109.1, 107.3] \/nStep 5, find the maximum distance to the drone: 154.1 \/nStep 6, calculate the flight time of the drone: 154.1\/10=15.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1247
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Rachel said she bought a new green car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'white', 'blue', 'blue', 'silver', 'white', 'blue', 'black', 'white', 'gray', 'white', 'black', 'black', 'black'] \/nStep 2, there is no green car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1248
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 40. B) 60. C) 120. D) 110.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1249
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 70. B) 45. C) 60. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1250
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 7249. B) 7749. C) 17249. D) 8249.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1251
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":3860000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'bmw 4 series', 'volkswagen sagitar', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'honda civic', 'volkswagen lavida', 'volvo xc60', 'honda inspire', 'aion s', 'byd song plus', 'mercedes-benz c-class', 'bmw 5 series', 'bmw x5', 'volvo s90'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000} \nStep 3, sum the price of each vehicle: 3860000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1252
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.8, 4.8, 4.9, 4.7, 4.7, 4.5, 4.7, 4.7, 5.0, 4.9, 4.8, 4.9, 5.2, 5.1, 5.1] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1253
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.8, 4.8, 4.9, 4.7, 4.7, 4.5, 4.7, 4.7, 5.0, 4.9, 4.8, 4.9, 5.2, 5.1, 5.1] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1254
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":675000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'bmw 4 series', 'volkswagen sagitar', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'honda civic', 'volkswagen lavida', 'volvo xc60', 'honda inspire', 'aion s', 'byd song plus', 'mercedes-benz c-class', 'bmw 5 series', 'bmw x5', 'volvo s90'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1255
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'bmw 4 series', 'volkswagen sagitar', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'honda civic', 'volkswagen lavida', 'volvo xc60', 'honda inspire', 'aion s', 'byd song plus', 'mercedes-benz c-class', 'bmw 5 series', 'bmw x5', 'volvo s90'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1256
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) black. C) pink. D) red.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'white', 'blue', 'blue', 'silver', 'white', 'blue', 'black', 'white', 'gray', 'white', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 5, 'blue': 4, 'red': 1, 'silver': 1, 'black': 4, 'gray': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1257
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of sports vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) blue. C) green. D) white.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'sports', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'full-size', 'suv', 'full-size'] \nStep 2, identify the color of sports vehicles: ['blue'] \nStep 3, count sports vehicles for each color: {'blue': 1} \nStep 4, sort to get the most common color of sports vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1258
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 22-16=6",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1259
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'sports', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'full-size', 'suv', 'full-size'] \/nStep 2, count all full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1260
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"A) 2. B) 4. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'bmw 4 series', 'volkswagen sagitar', 'buick regal', 'chery tiggo 8', 'volvo xc60', 'honda civic', 'volkswagen lavida', 'volvo xc60', 'honda inspire', 'aion s', 'byd song plus', 'mercedes-benz c-class', 'bmw 5 series', 'bmw x5', 'volvo s90'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000} \nStep 3, count vehicles priced below 100000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1261
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many silver sports vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'white', 'blue', 'blue', 'silver', 'white', 'blue', 'black', 'white', 'gray', 'white', 'black', 'black', 'black'] \nStep 2, identify the type of silver vehicles: ['compact'] \nStep 3, count silver sports vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1262
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1396.1, 1358.4], [1365.1, 1261.5], [1128.8, 468.0], [1316.1, 1077.5], [1283.2, 918.3], [1316.5, 1168.0], [1184.5, 665.2], [1267.8, 836.5], [1108.1, 370.4], [1207.4, 743.6], [1444.1, 1560.4], [1486.1, 1784.6], [1457.5, 1676.8], [1410.9, 1461.0], [1165.3, 585.0], [1077.7, 240.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-14.4, 5.6, 66.1], [-15.4, 3.3, 67.4], [-25.2, -19.0, 80.3], [-17.2, -1.2, 70.0], [-18.7, -5.4, 72.4], [-16.9, 1.1, 68.7], [-22.5, -12.7, 76.6], [-19.5, -7.7, 73.7], [-26.4, -22.4, 82.2], [-21.5, -10.3, 75.3], [-12.7, 10.0, 63.5], [-11.3, 14.5, 60.9], [-12.2, 12.4, 62.1], [-13.7, 7.8, 64.8], [-23.5, -15.2, 78.1], [-28.2, -27.1, 84.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [67.8, 69.2, 86.2, 72.1, 75.0, 70.7, 80.9, 76.6, 89.2, 78.9, 65.6, 63.6, 64.5, 66.7, 82.9, 93.5] \/nStep 5, find the maximum distance to the drone: 93.5 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1263
+    },
+    {
+        "image":"5c1eef77-DJI_0386.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 7.8. B) 11.5. C) 13. D) 12.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1396.1, 1358.4], [1365.1, 1261.5], [1128.8, 468.0], [1316.1, 1077.5], [1283.2, 918.3], [1316.5, 1168.0], [1184.5, 665.2], [1267.8, 836.5], [1108.1, 370.4], [1207.4, 743.6], [1444.1, 1560.4], [1486.1, 1784.6], [1457.5, 1676.8], [1410.9, 1461.0], [1165.3, 585.0], [1077.7, 240.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-14.4, 5.6, 66.1], [-15.4, 3.3, 67.4], [-25.2, -19.0, 80.3], [-17.2, -1.2, 70.0], [-18.7, -5.4, 72.4], [-16.9, 1.1, 68.7], [-22.5, -12.7, 76.6], [-19.5, -7.7, 73.7], [-26.4, -22.4, 82.2], [-21.5, -10.3, 75.3], [-12.7, 10.0, 63.5], [-11.3, 14.5, 60.9], [-12.2, 12.4, 62.1], [-13.7, 7.8, 64.8], [-23.5, -15.2, 78.1], [-28.2, -27.1, 84.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [67.8, 69.2, 86.2, 72.1, 75.0, 70.7, 80.9, 76.6, 89.2, 78.9, 65.6, 63.6, 64.5, 66.7, 82.9, 93.5] \/nStep 5, find the maximum distance to the drone: 93.5 \/nStep 6, calculate the flight time of the drone: 93.5\/12=7.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1264
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new silver car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'blue', 'golden', 'black', 'gray', 'gray'] \/nStep 2, there is no silver car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1265
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 20. B) 80. C) 110. D) 30.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1266
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 45. B) 90. C) 30. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1267
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1268
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"",
+        "answer":1195000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'volkswagen golf', 'tesla model y', 'byd song plus', 'changan uni-v'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000} \nStep 3, sum the price of each vehicle: 1195000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1269
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.7, 4.4, 4.3, 4.8, 4.8, 4.7] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1270
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.7, 4.4, 4.3, 4.8, 4.8, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1271
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"A) 170000. B) 305000. C) 175000. D) 170714.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'volkswagen golf', 'tesla model y', 'byd song plus', 'changan uni-v'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000} \nStep 3, calculate the maximum price of all vehicles: 305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1272
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"",
+        "answer":100000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'volkswagen golf', 'tesla model y', 'byd song plus', 'changan uni-v'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000} \nStep 3, calculate the minimum price of all vehicles: 100000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1273
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 5 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 7-5=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1274
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'compact', 'compact', 'mid-size', 'suv', 'compact'] \/nStep 2, count all mid-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1275
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'volkswagen golf', 'tesla model y', 'byd song plus', 'changan uni-v'] \nStep 2, query all vehicle prices: {'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1276
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many blue suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 0. C) 1. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'black', 'blue', 'golden', 'black', 'gray', 'gray'] \nStep 2, identify the type of blue vehicles: ['compact'] \nStep 3, count blue suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1277
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) hyundai. B) tesla. C) skoda. D) mg.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[805.0, 1345.7], [1219.0, 501.6], [1974.9, 342.7], [2186.4, 950.0], [3503.9, 377.5], [2502.4, 189.7], [3643.1, 593.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.5, 1.8, 22.1], [-7.5, -6.0, 26.5], [-0.2, -7.8, 27.6], [1.6, -1.5, 24.0], [14.8, -7.4, 27.3], [5.2, -9.7, 28.7], [15.4, -5.0, 26.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.1, 28.2, 28.7, 24.1, 32.0, 30.7, 30.6] \/nStep 5, find the minimum distance to the drone: 24.1 \/nStep 6, identify the brand of this vehicle: skoda",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1278
+    },
+    {
+        "image":"f01ce3bd-DJI_0387.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[805.0, 1345.7], [1219.0, 501.6], [1974.9, 342.7], [2186.4, 950.0], [3503.9, 377.5], [2502.4, 189.7], [3643.1, 593.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.5, 1.8, 22.1], [-7.5, -6.0, 26.5], [-0.2, -7.8, 27.6], [1.6, -1.5, 24.0], [14.8, -7.4, 27.3], [5.2, -9.7, 28.7], [15.4, -5.0, 26.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.1, 28.2, 28.7, 24.1, 32.0, 30.7, 30.6] \/nStep 5, find the minimum distance to the drone: 24.1 \/nStep 6, calculate the flight time of the drone: 24.1\/16=1.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1279
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Monica said she bought a new brown car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'blue', 'white', 'red', 'black', 'black'] \/nStep 2, there is no brown car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1280
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1281
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1282
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 1805. B) 5805. C) 2805. D) 805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1283
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":1515000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'chery tiggo 8', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw x5', 'honda inspire'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000} \nStep 3, sum the price of each vehicle: 1515000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1284
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.7, 4.7, 4.7, 4.8, 5.1, 5.0] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1285
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"A) 675000. B) 125000. C) 50000. D) 50000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'chery tiggo 8', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw x5', 'honda inspire'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000} \nStep 3, calculate the median price of all vehicles: 125000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1286
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":675000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'chery tiggo 8', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw x5', 'honda inspire'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1287
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.5, 4.7, 4.7, 4.7, 4.8, 5.1, 5.0] \nStep 5, find the minimum length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1288
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['blue', 'blue', 'black'] \nStep 3, count suv vehicles for each color: {'blue': 2, 'black': 1} \nStep 4, sort to get the most common color of suv vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1289
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 14 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 14-7=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1290
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many red vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'blue', 'white', 'red', 'black', 'black'] \/nStep 2, count all red vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1291
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['honda civic', 'chery tiggo 8', 'volvo xc60', 'volkswagen lavida', 'volkswagen sagitar', 'bmw x5', 'honda inspire'] \nStep 2, query all vehicle prices: {'honda civic': 115000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000} \nStep 3, count vehicles priced below 300000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1292
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many white mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 1. C) 0. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'blue', 'blue', 'white', 'red', 'black', 'black'] \nStep 2, identify the type of white vehicles: ['compact'] \nStep 3, count white mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1293
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volvo",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1408.2, 998.6], [1742.9, 1962.3], [1192.6, 114.3], [1682.5, 1614.8], [1247.3, 380.1], [1353.0, 748.8], [1481.3, 1263.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.1, -1.1, 23.7], [-1.8, 5.9, 19.7], [-8.5, -10.7, 29.2], [-2.4, 3.7, 21.0], [-7.4, -7.3, 27.3], [-5.8, -3.4, 25.1], [-4.2, 1.1, 22.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.3, 20.6, 32.3, 21.4, 29.3, 26.0, 22.9] \/nStep 5, find the maximum distance to the drone: 32.3 \/nStep 6, identify the brand of this vehicle: volvo",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1294
+    },
+    {
+        "image":"092c7fc2-DJI_0390.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1408.2, 998.6], [1742.9, 1962.3], [1192.6, 114.3], [1682.5, 1614.8], [1247.3, 380.1], [1353.0, 748.8], [1481.3, 1263.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.1, -1.1, 23.7], [-1.8, 5.9, 19.7], [-8.5, -10.7, 29.2], [-2.4, 3.7, 21.0], [-7.4, -7.3, 27.3], [-5.8, -3.4, 25.1], [-4.2, 1.1, 22.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.3, 20.6, 32.3, 21.4, 29.3, 26.0, 22.9] \/nStep 5, find the maximum distance to the drone: 32.3 \/nStep 6, calculate the flight time of the drone: 32.3\/10=3.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1295
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new green car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'black', 'red'] \/nStep 2, there is no green car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1296
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1297
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 45. B) 90. C) 60. D) 80.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1298
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 805. B) 1805. C) 1305. D) 2805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1299
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":730000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'volvo s90', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000} \nStep 3, sum the price of each vehicle: 730000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1300
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.8] \nStep 5, calculate the average length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1301
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.8] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1302
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 325000. B) 290000. C) 290000. D) 243333.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'volvo s90', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000} \nStep 3, calculate the maximum price of all vehicles: 325000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1303
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'volvo s90', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000} \nStep 3, calculate the minimum price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1304
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'full-size', 'compact'] \nStep 2, identify the color of suv vehicles: ['blue'] \nStep 3, count suv vehicles for each color: {'blue': 1} \nStep 4, sort to get the most common color of suv vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1305
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 5. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 3 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 8-3=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1306
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'black', 'red'] \/nStep 2, count all black vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1307
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'volvo s90', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1308
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many red compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 2. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'black', 'red'] \nStep 2, identify the type of red vehicles: ['compact'] \nStep 3, count red compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1309
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) sedan. B) mid-size. C) compact. D) sports.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1690.0, 1445.7], [1558.7, 910.0], [1784.8, 1879.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.4, 2.5, 21.6], [-3.8, -1.9, 24.2], [-1.5, 5.4, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [21.9, 24.6, 20.7] \/nStep 5, find the minimum distance to the drone: 20.7 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1310
+    },
+    {
+        "image":"3edb540c-DJI_0391.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1690.0, 1445.7], [1558.7, 910.0], [1784.8, 1879.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.4, 2.5, 21.6], [-3.8, -1.9, 24.2], [-1.5, 5.4, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [21.9, 24.6, 20.7] \/nStep 5, find the minimum distance to the drone: 20.7 \/nStep 6, calculate the flight time of the drone: 20.7\/10=2.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1311
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Monica said she bought a new orange car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'black', 'blue', 'blue', 'black', 'black'] \/nStep 2, there is no orange car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1312
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 30. B) 80. C) 60. D) 70.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1313
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1314
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5260. B) 4760. C) 4260. D) 14260.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1315
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":1840000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda civic', 'volkswagen sagitar', 'bmw x5', 'chery tiggo 8', 'volvo xc60', 'honda inspire', 'volvo s90'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000} \nStep 3, sum the price of each vehicle: 1840000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1316
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.5, 4.8, 5.1, 4.7, 4.7, 5.0, 5.1] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1317
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":135000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda civic', 'volkswagen sagitar', 'bmw x5', 'chery tiggo 8', 'volvo xc60', 'honda inspire', 'volvo s90'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000} \nStep 3, calculate the median price of all vehicles: 135000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1318
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5.1. B) 4.5. C) 38.4. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.5, 4.8, 5.1, 4.7, 4.7, 5.0, 5.1] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1319
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.5, 4.8, 5.1, 4.7, 4.7, 5.0, 5.1] \nStep 5, find the minimum length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1320
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'black', 'blue', 'blue', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 1, 'silver': 1, 'red': 1, 'black': 3, 'blue': 2}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1321
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'full-size'] \nStep 2, identify the color of full-size vehicles: ['black'] \nStep 3, count full-size vehicles for each color: {'black': 1} \nStep 4, sort to get the most common color of full-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1322
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were -1 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 9. B) 1. C) 4. D) 8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 8 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 8--1=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1323
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'full-size'] \/nStep 2, count all compact vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1324
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'honda civic', 'volkswagen sagitar', 'bmw x5', 'chery tiggo 8', 'volvo xc60', 'honda inspire', 'volvo s90'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000} \nStep 3, count vehicles priced below 300000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1325
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many blue mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 1. C) 0. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'red', 'black', 'blue', 'blue', 'black', 'black'] \nStep 2, identify the type of blue vehicles: ['suv', 'suv'] \nStep 3, count blue mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1326
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"tiggo 8",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1969.1, 1939.2], [1781.0, 1537.6], [1674.5, 1152.8], [1751.0, 1375.1], [2012.2, 2150.2], [1639.8, 986.4], [1832.0, 1707.3], [1588.4, 775.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-0.4, 9.6, 32.8], [-2.9, 5.5, 36.9], [-4.9, 0.4, 42.0], [-3.5, 3.5, 38.9], [0.1, 11.4, 31.0], [-5.8, -2.2, 44.7], [-2.1, 7.4, 35.1], [-7.2, -6.1, 48.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.2, 37.5, 42.3, 39.2, 33.0, 45.1, 35.9, 49.5] \/nStep 5, find the minimum distance to the drone: 33.0 \/nStep 6, identify the model of this vehicle: tiggo 8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1327
+    },
+    {
+        "image":"a32e3a83-DJI_0392.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1969.1, 1939.2], [1781.0, 1537.6], [1674.5, 1152.8], [1751.0, 1375.1], [2012.2, 2150.2], [1639.8, 986.4], [1832.0, 1707.3], [1588.4, 775.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-0.4, 9.6, 32.8], [-2.9, 5.5, 36.9], [-4.9, 0.4, 42.0], [-3.5, 3.5, 38.9], [0.1, 11.4, 31.0], [-5.8, -2.2, 44.7], [-2.1, 7.4, 35.1], [-7.2, -6.1, 48.6]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [34.2, 37.5, 42.3, 39.2, 33.0, 45.1, 35.9, 49.5] \/nStep 5, find the minimum distance to the drone: 33.0 \/nStep 6, calculate the flight time of the drone: 33.0\/10=3.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1328
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'black', 'silver', 'gray', 'gray', 'white', 'blue', 'white', 'black', 'white', 'golden', 'blue', 'blue', 'brown', 'black', 'blue', 'black', 'red', 'red', 'black', 'gray'] \/nStep 2, there is no orange car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1329
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 70. B) 40. C) 120. D) 110.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1330
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1331
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":57284,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1332
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":5170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a3', 'bmw 4 series', 'bmw 5 series', 'honda inspire', 'honda civic', 'byd song plus', 'changan uni-v', 'buick regal', 'chery tiggo 8', 'volkswagen lavida', 'tesla model y', 'aion s', 'volkswagen golf', 'volvo xc60', 'volvo xc60', 'skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'bmw x5', 'volkswagen sagitar', 'volkswagen sagitar', 'volvo s90', 'byd song plus'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000} \nStep 3, sum the price of each vehicle: 5170000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1333
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":215416,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a3', 'bmw 4 series', 'bmw 5 series', 'honda inspire', 'honda civic', 'byd song plus', 'changan uni-v', 'buick regal', 'chery tiggo 8', 'volkswagen lavida', 'tesla model y', 'aion s', 'volkswagen golf', 'volvo xc60', 'volvo xc60', 'skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'bmw x5', 'volkswagen sagitar', 'volkswagen sagitar', 'volvo s90', 'byd song plus'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000} \nStep 3, calculate the average price of all vehicles: 215416",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1334
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"A) 675000. B) 215416. C) 50000. D) 167500.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a3', 'bmw 4 series', 'bmw 5 series', 'honda inspire', 'honda civic', 'byd song plus', 'changan uni-v', 'buick regal', 'chery tiggo 8', 'volkswagen lavida', 'tesla model y', 'aion s', 'volkswagen golf', 'volvo xc60', 'volvo xc60', 'skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'bmw x5', 'volkswagen sagitar', 'volkswagen sagitar', 'volvo s90', 'byd song plus'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000} \nStep 3, calculate the median price of all vehicles: 167500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1335
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"A) 167500. B) 50000. C) 675000. D) 215416.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a3', 'bmw 4 series', 'bmw 5 series', 'honda inspire', 'honda civic', 'byd song plus', 'changan uni-v', 'buick regal', 'chery tiggo 8', 'volkswagen lavida', 'tesla model y', 'aion s', 'volkswagen golf', 'volvo xc60', 'volvo xc60', 'skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'bmw x5', 'volkswagen sagitar', 'volkswagen sagitar', 'volvo s90', 'byd song plus'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1336
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4. B) 4.3. C) 5.2. D) 113.8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.3, 4.8, 5.2, 5.0, 4.5, 4.8, 4.7, 4.9, 4.7, 4.7, 4.8, 4.9, 4.3, 4.7, 4.7, 4.4, 4.7, 4.4, 5.1, 4.8, 4.8, 5.1, 4.8] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1337
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'black', 'silver', 'gray', 'gray', 'white', 'blue', 'white', 'black', 'white', 'golden', 'blue', 'blue', 'brown', 'black', 'blue', 'black', 'red', 'red', 'black', 'gray'] \/nStep 2, count vehicles for each color: {'white': 5, 'blue': 5, 'black': 6, 'silver': 1, 'gray': 3, 'golden': 1, 'brown': 1, 'red': 2}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1338
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) pink. C) orange. D) blue.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'compact', 'sports', 'full-size', 'mid-size', 'compact', 'suv', 'compact', 'mid-size', 'suv', 'compact', 'mid-size', 'compact', 'compact', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'compact', 'compact', 'full-size', 'suv'] \nStep 2, identify the color of suv vehicles: ['gray', 'blue', 'blue', 'blue', 'brown', 'black', 'black', 'gray'] \nStep 3, count suv vehicles for each color: {'gray': 2, 'blue': 3, 'brown': 1, 'black': 2} \nStep 4, sort to get the most common color of suv vehicle: blue",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1339
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 32 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"A) 1. B) 6. C) 8. D) 9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 24 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 32-24=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1340
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'black', 'silver', 'gray', 'gray', 'white', 'blue', 'white', 'black', 'white', 'golden', 'blue', 'blue', 'brown', 'black', 'blue', 'black', 'red', 'red', 'black', 'gray'] \/nStep 2, count all white vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1341
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"A) 22. B) 23. C) 24. D) 25.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'audi a3', 'bmw 4 series', 'bmw 5 series', 'honda inspire', 'honda civic', 'byd song plus', 'changan uni-v', 'buick regal', 'chery tiggo 8', 'volkswagen lavida', 'tesla model y', 'aion s', 'volkswagen golf', 'volvo xc60', 'volvo xc60', 'skoda karoq', 'harvard h6', 'mercedes-benz b-class', 'bmw x5', 'volkswagen sagitar', 'volkswagen sagitar', 'volvo s90', 'byd song plus'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000} \nStep 3, count vehicles priced above 100000 RMB: 22",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1342
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many golden compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'black', 'black', 'silver', 'gray', 'gray', 'white', 'blue', 'white', 'black', 'white', 'golden', 'blue', 'blue', 'brown', 'black', 'blue', 'black', 'red', 'red', 'black', 'gray'] \nStep 2, identify the type of golden vehicles: ['compact'] \nStep 3, count golden compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1343
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"s90",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1109.9, 1826.4], [1032.7, 1701.9], [1002.3, 1663.4], [1058.0, 1742.2], [840.5, 1449.9], [814.2, 1416.0], [1134.9, 1866.7], [2227.6, 1820.5], [950.0, 1586.9], [909.2, 1520.3], [887.8, 1483.4], [2189.4, 1776.7], [1086.4, 1781.3], [1983.8, 2004.2], [966.8, 1628.3], [724.0, 1282.9], [1766.4, 2182.5], [1749.8, 1980.0], [1883.4, 1880.0], [794.9, 1378.4], [751.7, 1327.3], [751.7, 1327.3], [686.8, 1224.1], [1978.8, 1796.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-39.8, 31.4, 124.2], [-44.9, 26.8, 128.8], [-46.8, 25.3, 130.3], [-43.2, 28.3, 127.3], [-58.2, 16.3, 139.3], [-60.2, 14.8, 140.8], [-38.3, 32.8, 122.7], [10.2, 31.2, 124.4], [-50.5, 22.2, 133.4], [-53.5, 19.4, 136.2], [-55.2, 17.8, 137.8], [8.6, 29.6, 126.0], [-41.4, 29.8, 125.8], [-0.7, 37.4, 118.1], [-49.0, 23.9, 131.7], [-67.7, 8.4, 147.2], [-9.5, 42.9, 112.6], [-10.7, 36.6, 118.9], [-5.1, 33.3, 122.3], [-61.9, 13.0, 142.5], [-65.2, 10.6, 145.0], [-65.2, 10.6, 145.0], [-71.1, 5.4, 150.2], [-1.0, 30.3, 125.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [134.1, 139.0, 140.7, 137.3, 151.8, 153.8, 132.7, 128.6, 144.3, 147.6, 149.5, 129.7, 135.8, 123.9, 142.5, 162.2, 120.9, 124.9, 126.8, 156.0, 159.3, 159.3, 166.3, 128.9] \/nStep 5, find the maximum distance to the drone: 166.3 \/nStep 6, identify the model of this vehicle: s90",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1344
+    },
+    {
+        "image":"c4b8d38b-DJI_0396.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":13.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1109.9, 1826.4], [1032.7, 1701.9], [1002.3, 1663.4], [1058.0, 1742.2], [840.5, 1449.9], [814.2, 1416.0], [1134.9, 1866.7], [2227.6, 1820.5], [950.0, 1586.9], [909.2, 1520.3], [887.8, 1483.4], [2189.4, 1776.7], [1086.4, 1781.3], [1983.8, 2004.2], [966.8, 1628.3], [724.0, 1282.9], [1766.4, 2182.5], [1749.8, 1980.0], [1883.4, 1880.0], [794.9, 1378.4], [751.7, 1327.3], [751.7, 1327.3], [686.8, 1224.1], [1978.8, 1796.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-39.8, 31.4, 124.2], [-44.9, 26.8, 128.8], [-46.8, 25.3, 130.3], [-43.2, 28.3, 127.3], [-58.2, 16.3, 139.3], [-60.2, 14.8, 140.8], [-38.3, 32.8, 122.7], [10.2, 31.2, 124.4], [-50.5, 22.2, 133.4], [-53.5, 19.4, 136.2], [-55.2, 17.8, 137.8], [8.6, 29.6, 126.0], [-41.4, 29.8, 125.8], [-0.7, 37.4, 118.1], [-49.0, 23.9, 131.7], [-67.7, 8.4, 147.2], [-9.5, 42.9, 112.6], [-10.7, 36.6, 118.9], [-5.1, 33.3, 122.3], [-61.9, 13.0, 142.5], [-65.2, 10.6, 145.0], [-65.2, 10.6, 145.0], [-71.1, 5.4, 150.2], [-1.0, 30.3, 125.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [134.1, 139.0, 140.7, 137.3, 151.8, 153.8, 132.7, 128.6, 144.3, 147.6, 149.5, 129.7, 135.8, 123.9, 142.5, 162.2, 120.9, 124.9, 126.8, 156.0, 159.3, 159.3, 166.3, 128.9] \/nStep 5, find the maximum distance to the drone: 166.3 \/nStep 6, calculate the flight time of the drone: 166.3\/12=13.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":24,
+        "region":"image-level",
+        "qid":1345
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Phoebe said she bought a new orange car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'white', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'silver', 'white', 'white', 'black', 'blue', 'blue', 'blue', 'black', 'white', 'white', 'blue', 'gray', 'black', 'brown', 'red', 'black', 'red', 'green'] \/nStep 2, there is no orange car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1346
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1347
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1348
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 17823. B) 18823. C) 16823. D) 26823.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1349
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":5830000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volvo xc60', 'mercedes-benz c-class', 'audi a3', 'buick regal', 'cadillac xts', 'bmw x5', 'chery tiggo 8', 'roewe erx5', 'tesla model 3', 'honda civic', 'mercedes-benz e-class', 'roewe erx5', 'bmw 5 series', 'volvo xc60', 'volvo xc40', 'bmw 4 series', 'chevrolet malibu xl', 'aion s', 'mercedes-benz c-class', 'buick lacrosse', 'byd song plus', 'honda inspire', 'volkswagen tiguan', 'byd tang', 'volvo s90', 'volkswagen sagitar', 'wuling hongguang mini'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000} \nStep 3, sum the price of each vehicle: 5830000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1350
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":165000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'white', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'silver', 'white', 'white', 'black', 'blue', 'blue', 'blue', 'black', 'white', 'white', 'blue', 'gray', 'black', 'brown', 'red', 'black', 'red', 'green'] \nStep 2, identify the model of silver vehicles: ['roewe erx5', 'honda civic'] \nStep 3, query vehicle prices: {'roewe erx5': 50000, 'honda civic': 115000} \nStep 4, sum the price of each silver vehicle: 165000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1351
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":208214,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volvo xc60', 'mercedes-benz c-class', 'audi a3', 'buick regal', 'cadillac xts', 'bmw x5', 'chery tiggo 8', 'roewe erx5', 'tesla model 3', 'honda civic', 'mercedes-benz e-class', 'roewe erx5', 'bmw 5 series', 'volvo xc60', 'volvo xc40', 'bmw 4 series', 'chevrolet malibu xl', 'aion s', 'mercedes-benz c-class', 'buick lacrosse', 'byd song plus', 'honda inspire', 'volkswagen tiguan', 'byd tang', 'volvo s90', 'volkswagen sagitar', 'wuling hongguang mini'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000} \nStep 3, calculate the average price of all vehicles: 208214",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1352
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":167500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volvo xc60', 'mercedes-benz c-class', 'audi a3', 'buick regal', 'cadillac xts', 'bmw x5', 'chery tiggo 8', 'roewe erx5', 'tesla model 3', 'honda civic', 'mercedes-benz e-class', 'roewe erx5', 'bmw 5 series', 'volvo xc60', 'volvo xc40', 'bmw 4 series', 'chevrolet malibu xl', 'aion s', 'mercedes-benz c-class', 'buick lacrosse', 'byd song plus', 'honda inspire', 'volkswagen tiguan', 'byd tang', 'volvo s90', 'volkswagen sagitar', 'wuling hongguang mini'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000} \nStep 3, calculate the median price of all vehicles: 167500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1353
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.9, 4.3, 4.9, 5.1, 5.1, 4.7, 4.7, 4.7, 4.5, 5.1, 4.7, 5.2, 4.7, 4.4, 4.8, 4.9, 4.9, 4.9, 5.0, 4.8, 5.0, 4.5, 4.9, 5.1, 4.8, 3.1] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1354
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"A) 167500. B) 165000. C) 50000. D) 675000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volvo xc60', 'mercedes-benz c-class', 'audi a3', 'buick regal', 'cadillac xts', 'bmw x5', 'chery tiggo 8', 'roewe erx5', 'tesla model 3', 'honda civic', 'mercedes-benz e-class', 'roewe erx5', 'bmw 5 series', 'volvo xc60', 'volvo xc40', 'bmw 4 series', 'chevrolet malibu xl', 'aion s', 'mercedes-benz c-class', 'buick lacrosse', 'byd song plus', 'honda inspire', 'volkswagen tiguan', 'byd tang', 'volvo s90', 'volkswagen sagitar', 'wuling hongguang mini'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1355
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) red. C) white. D) pink.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'white', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'silver', 'white', 'white', 'black', 'blue', 'blue', 'blue', 'black', 'white', 'white', 'blue', 'gray', 'black', 'brown', 'red', 'black', 'red', 'green'] \/nStep 2, count vehicles for each color: {'white': 10, 'blue': 6, 'black': 5, 'silver': 2, 'gray': 1, 'brown': 1, 'red': 2, 'green': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1356
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'mid-size', 'compact', 'mid-size', 'full-size', 'suv', 'suv', 'suv', 'mid-size', 'compact', 'full-size', 'suv', 'full-size', 'suv', 'suv', 'sports', 'mid-size', 'compact', 'mid-size', 'mid-size', 'suv', 'mid-size', 'suv', 'suv', 'full-size', 'compact', 'micro-size'] \nStep 2, identify the color of compact vehicles: ['white', 'white', 'silver', 'white', 'red'] \nStep 3, count compact vehicles for each color: {'white': 3, 'silver': 1, 'red': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1357
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 26 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 3. B) 6. C) 2. D) 7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 28 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 28-26=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1358
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 10. B) 11. C) 12. D) 9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'white', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'silver', 'white', 'white', 'black', 'blue', 'blue', 'blue', 'black', 'white', 'white', 'blue', 'gray', 'black', 'brown', 'red', 'black', 'red', 'green'] \/nStep 2, count all white vehicles: 10",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1359
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"A) 26. B) 24. C) 25. D) 23.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'volvo xc60', 'mercedes-benz c-class', 'audi a3', 'buick regal', 'cadillac xts', 'bmw x5', 'chery tiggo 8', 'roewe erx5', 'tesla model 3', 'honda civic', 'mercedes-benz e-class', 'roewe erx5', 'bmw 5 series', 'volvo xc60', 'volvo xc40', 'bmw 4 series', 'chevrolet malibu xl', 'aion s', 'mercedes-benz c-class', 'buick lacrosse', 'byd song plus', 'honda inspire', 'volkswagen tiguan', 'byd tang', 'volvo s90', 'volkswagen sagitar', 'wuling hongguang mini'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000} \nStep 3, count vehicles priced above 100000 RMB: 23",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1360
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many green sports vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 2. D) -1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'white', 'white', 'white', 'white', 'black', 'blue', 'silver', 'white', 'silver', 'white', 'white', 'black', 'blue', 'blue', 'blue', 'black', 'white', 'white', 'blue', 'gray', 'black', 'brown', 'red', 'black', 'red', 'green'] \nStep 2, identify the type of green vehicles: ['micro-size'] \nStep 3, count green sports vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1361
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"song plus",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3841.7, 1575.7], [3825.7, 1189.6], [3830.8, 2108.7], [3839.2, 1926.4], [3836.0, 1745.6], [2535.5, 476.3], [3826.8, 1377.7], [3840.5, 1639.6], [2524.8, 323.0], [2944.1, 428.9], [3822.9, 1440.1], [2743.3, 443.5], [2879.5, 419.8], [3840.8, 1989.9], [3828.0, 1808.1], [3134.9, 418.7], [3836.4, 1868.6], [2345.8, 513.9], [3839.1, 2049.0], [2812.2, 435.8], [2339.0, 335.0], [3838.3, 2171.3], [3828.3, 1500.8], [3015.4, 943.2], [2513.1, 181.7], [3829.5, 1065.1], [3822.4, 1269.7], [3010.0, 1087.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[79.7, 19.5, 120.0], [79.0, 2.8, 120.0], [79.2, 42.5, 120.0], [79.5, 34.7, 120.0], [79.4, 26.8, 120.0], [23.2, -28.1, 120.0], [79.0, 10.9, 120.0], [79.6, 22.3, 120.0], [22.7, -34.7, 120.0], [40.8, -30.1, 120.0], [78.8, 13.6, 120.0], [32.1, -29.5, 120.0], [38.0, -30.5, 120.0], [79.6, 37.4, 120.0], [79.1, 29.5, 120.0], [49.1, -30.5, 120.0], [79.4, 32.2, 120.0], [15.0, -26.4, 120.0], [79.5, 40.0, 120.0], [35.1, -29.8, 120.0], [14.7, -34.2, 120.0], [79.5, 45.3, 120.0], [79.1, 16.3, 120.0], [43.9, -7.9, 120.0], [22.2, -40.8, 120.0], [79.1, -2.6, 120.0], [78.8, 6.3, 120.0], [43.7, -1.6, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [145.3, 143.7, 149.9, 148.1, 146.4, 125.4, 144.1, 145.7, 127.0, 130.3, 144.2, 127.7, 129.5, 148.8, 146.7, 133.2, 147.5, 123.8, 149.4, 128.5, 125.6, 150.9, 144.6, 128.0, 128.7, 143.8, 143.7, 127.7] \/nStep 5, find the maximum distance to the drone: 150.9 \/nStep 6, identify the model of this vehicle: song plus",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1362
+    },
+    {
+        "image":"cc582c95-DJI_0400.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":9.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3841.7, 1575.7], [3825.7, 1189.6], [3830.8, 2108.7], [3839.2, 1926.4], [3836.0, 1745.6], [2535.5, 476.3], [3826.8, 1377.7], [3840.5, 1639.6], [2524.8, 323.0], [2944.1, 428.9], [3822.9, 1440.1], [2743.3, 443.5], [2879.5, 419.8], [3840.8, 1989.9], [3828.0, 1808.1], [3134.9, 418.7], [3836.4, 1868.6], [2345.8, 513.9], [3839.1, 2049.0], [2812.2, 435.8], [2339.0, 335.0], [3838.3, 2171.3], [3828.3, 1500.8], [3015.4, 943.2], [2513.1, 181.7], [3829.5, 1065.1], [3822.4, 1269.7], [3010.0, 1087.6]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[79.7, 19.5, 120.0], [79.0, 2.8, 120.0], [79.2, 42.5, 120.0], [79.5, 34.7, 120.0], [79.4, 26.8, 120.0], [23.2, -28.1, 120.0], [79.0, 10.9, 120.0], [79.6, 22.3, 120.0], [22.7, -34.7, 120.0], [40.8, -30.1, 120.0], [78.8, 13.6, 120.0], [32.1, -29.5, 120.0], [38.0, -30.5, 120.0], [79.6, 37.4, 120.0], [79.1, 29.5, 120.0], [49.1, -30.5, 120.0], [79.4, 32.2, 120.0], [15.0, -26.4, 120.0], [79.5, 40.0, 120.0], [35.1, -29.8, 120.0], [14.7, -34.2, 120.0], [79.5, 45.3, 120.0], [79.1, 16.3, 120.0], [43.9, -7.9, 120.0], [22.2, -40.8, 120.0], [79.1, -2.6, 120.0], [78.8, 6.3, 120.0], [43.7, -1.6, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [145.3, 143.7, 149.9, 148.1, 146.4, 125.4, 144.1, 145.7, 127.0, 130.3, 144.2, 127.7, 129.5, 148.8, 146.7, 133.2, 147.5, 123.8, 149.4, 128.5, 125.6, 150.9, 144.6, 128.0, 128.7, 143.8, 143.7, 127.7] \/nStep 5, find the maximum distance to the drone: 150.9 \/nStep 6, calculate the flight time of the drone: 150.9\/16=9.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1363
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Phoebe said she bought a new silver car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'silver', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'red', 'blue', 'black', 'blue', 'silver', 'green', 'blue', 'black', 'black', 'white', 'white', 'black', 'brown', 'white', 'black', 'brown', 'black', 'brown', 'red'] \/nStep 2, there is an silver car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1364
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1365
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"A) 45. B) 30. C) 90. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1366
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 22137. B) 20137. C) 25137. D) 21137.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1367
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":4160000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'volkswagen tiguan l', 'wuling hongguang', 'mercedes-benz c-class', 'changan cs55', 'baojun 730', 'chevrolet malibu xl', 'tesla model 3', 'roewe erx5', 'cadillac xts', 'mercedes-benz e-class', 'byd tang', 'volvo xc60', 'nissan x-trail', 'volvo xc40', 'roewe erx5', 'wuling hongguang mini', 'buick lacrosse', 'buick envision', 'buick envision', 'buick velite 5', 'buick velite 5', 'byd tang', 'volkswagen tiguan', 'geely atlas', 'volvo s90', 'wuling hongguang', 'buick excelle', 'wuling hongguang', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000} \nStep 3, sum the price of each vehicle: 4160000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1368
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":685000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'silver', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'red', 'blue', 'black', 'blue', 'silver', 'green', 'blue', 'black', 'black', 'white', 'white', 'black', 'brown', 'white', 'black', 'brown', 'black', 'brown', 'red'] \nStep 2, identify the model of blue vehicles: ['volvo xc60', 'volvo xc40', 'buick lacrosse'] \nStep 3, query vehicle prices: {'volvo xc60': 290000, 'volvo xc40': 225000, 'buick lacrosse': 170000} \nStep 4, sum the price of each blue vehicle: 685000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1369
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":138666,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'volkswagen tiguan l', 'wuling hongguang', 'mercedes-benz c-class', 'changan cs55', 'baojun 730', 'chevrolet malibu xl', 'tesla model 3', 'roewe erx5', 'cadillac xts', 'mercedes-benz e-class', 'byd tang', 'volvo xc60', 'nissan x-trail', 'volvo xc40', 'roewe erx5', 'wuling hongguang mini', 'buick lacrosse', 'buick envision', 'buick envision', 'buick velite 5', 'buick velite 5', 'byd tang', 'volkswagen tiguan', 'geely atlas', 'volvo s90', 'wuling hongguang', 'buick excelle', 'wuling hongguang', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000} \nStep 3, calculate the average price of all vehicles: 138666",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1370
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.4, 4.9, 4.5, 4.8, 4.9, 4.7, 4.7, 5.1, 5.1, 4.9, 4.7, 4.7, 4.4, 4.7, 3.1, 5.0, 4.6, 4.6, 4.6, 4.6, 4.9, 4.5, 4.5, 5.1, 4.4, 4.6, 4.4, 4.8] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1371
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 138666. B) 685000. C) 390000. D) 20000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'volkswagen tiguan l', 'wuling hongguang', 'mercedes-benz c-class', 'changan cs55', 'baojun 730', 'chevrolet malibu xl', 'tesla model 3', 'roewe erx5', 'cadillac xts', 'mercedes-benz e-class', 'byd tang', 'volvo xc60', 'nissan x-trail', 'volvo xc40', 'roewe erx5', 'wuling hongguang mini', 'buick lacrosse', 'buick envision', 'buick envision', 'buick velite 5', 'buick velite 5', 'byd tang', 'volkswagen tiguan', 'geely atlas', 'volvo s90', 'wuling hongguang', 'buick excelle', 'wuling hongguang', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000} \nStep 3, calculate the maximum price of all vehicles: 390000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1372
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 20000. B) 390000. C) 138666. D) 110000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'volkswagen tiguan l', 'wuling hongguang', 'mercedes-benz c-class', 'changan cs55', 'baojun 730', 'chevrolet malibu xl', 'tesla model 3', 'roewe erx5', 'cadillac xts', 'mercedes-benz e-class', 'byd tang', 'volvo xc60', 'nissan x-trail', 'volvo xc40', 'roewe erx5', 'wuling hongguang mini', 'buick lacrosse', 'buick envision', 'buick envision', 'buick velite 5', 'buick velite 5', 'byd tang', 'volkswagen tiguan', 'geely atlas', 'volvo s90', 'wuling hongguang', 'buick excelle', 'wuling hongguang', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1373
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) green. B) orange. C) white. D) yellow.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'silver', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'red', 'blue', 'black', 'blue', 'silver', 'green', 'blue', 'black', 'black', 'white', 'white', 'black', 'brown', 'white', 'black', 'brown', 'black', 'brown', 'red'] \/nStep 2, count vehicles for each color: {'white': 11, 'silver': 3, 'black': 7, 'red': 2, 'blue': 3, 'green': 1, 'brown': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1374
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'micro-size', 'mid-size', 'suv', 'mpv', 'mid-size', 'mid-size', 'suv', 'full-size', 'full-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'micro-size', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'suv', 'full-size', 'micro-size', 'compact', 'micro-size', 'compact'] \nStep 2, identify the color of suv vehicles: ['silver', 'white', 'white', 'red', 'blue', 'black', 'blue', 'silver', 'black', 'black', 'black', 'brown', 'white'] \nStep 3, count suv vehicles for each color: {'silver': 2, 'white': 3, 'red': 1, 'blue': 2, 'black': 4, 'brown': 1} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1375
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 22 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 30 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 30-22=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1376
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'micro-size', 'mid-size', 'suv', 'mpv', 'mid-size', 'mid-size', 'suv', 'full-size', 'full-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'micro-size', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'suv', 'full-size', 'micro-size', 'compact', 'micro-size', 'compact'] \/nStep 2, count all mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1377
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 3. B) 5. C) 2. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'volkswagen tiguan l', 'wuling hongguang', 'mercedes-benz c-class', 'changan cs55', 'baojun 730', 'chevrolet malibu xl', 'tesla model 3', 'roewe erx5', 'cadillac xts', 'mercedes-benz e-class', 'byd tang', 'volvo xc60', 'nissan x-trail', 'volvo xc40', 'roewe erx5', 'wuling hongguang mini', 'buick lacrosse', 'buick envision', 'buick envision', 'buick velite 5', 'buick velite 5', 'byd tang', 'volkswagen tiguan', 'geely atlas', 'volvo s90', 'wuling hongguang', 'buick excelle', 'wuling hongguang', 'volkswagen sagitar'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000} \nStep 3, count vehicles priced above 300000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1378
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many red compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'silver', 'silver', 'white', 'white', 'white', 'black', 'white', 'white', 'white', 'white', 'red', 'blue', 'black', 'blue', 'silver', 'green', 'blue', 'black', 'black', 'white', 'white', 'black', 'brown', 'white', 'black', 'brown', 'black', 'brown', 'red'] \nStep 2, identify the type of red vehicles: ['suv', 'compact'] \nStep 3, count red compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1379
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"hongguang mini",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2403.0, 575.6], [505.5, 643.2], [1756.0, 598.9], [2598.9, 1116.1], [786.6, 633.5], [1469.8, 610.0], [2120.2, 1189.7], [2735.7, 1110.5], [2667.4, 1100.0], [2316.1, 1152.9], [2529.1, 1122.5], [2274.1, 900.0], [3923.2, 1908.0], [640.3, 638.5], [2933.5, 1098.5], [2293.1, 1014.9], [2924.9, 1794.0], [2106.4, 1026.8], [2267.2, 788.0], [2267.2, 788.0], [2144.7, 590.5], [2144.7, 590.5], [2269.3, 580.0], [2905.3, 1625.0], [1047.7, 623.5], [3871.6, 1762.7], [214.0, 650.2], [1343.1, 618.1], [95.0, 661.7], [3933.8, 2010.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[18.9, -25.8, 130.4], [-69.1, -22.3, 128.3], [-11.4, -24.6, 129.7], [25.0, -0.4, 115.7], [-56.3, -22.8, 128.6], [-24.7, -24.0, 129.3], [4.9, 2.7, 113.9], [30.7, -0.6, 115.8], [27.9, -1.0, 116.1], [13.1, 1.2, 114.8], [22.0, -0.1, 115.5], [12.0, -9.8, 121.1], [68.8, 28.0, 99.3], [-63.0, -22.5, 128.5], [39.1, -1.1, 116.1], [12.5, -4.7, 118.2], [33.8, 24.4, 101.4], [4.5, -4.2, 117.9], [12.0, -15.1, 124.2], [12.0, -15.1, 124.2], [6.8, -25.0, 129.9], [6.8, -25.0, 129.9], [12.6, -25.6, 130.2], [34.1, 18.8, 104.6], [-44.2, -23.3, 128.9], [68.8, 23.4, 101.9], [-82.5, -21.9, 128.1], [-30.6, -23.6, 129.1], [-87.7, -21.3, 127.8], [68.0, 31.1, 97.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [134.2, 147.5, 132.5, 118.3, 142.2, 133.8, 114.1, 119.8, 119.4, 115.6, 117.6, 122.1, 124.0, 144.8, 122.5, 118.9, 109.6, 118.0, 125.7, 125.7, 132.5, 132.5, 133.3, 111.6, 138.3, 125.2, 153.9, 134.7, 156.5, 122.9] \/nStep 5, find the minimum distance to the drone: 109.6 \/nStep 6, identify the model of this vehicle: hongguang mini",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1380
+    },
+    {
+        "image":"68e53151-DJI_0402.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 12. B) 13. C) 11.5. D) 9.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2403.0, 575.6], [505.5, 643.2], [1756.0, 598.9], [2598.9, 1116.1], [786.6, 633.5], [1469.8, 610.0], [2120.2, 1189.7], [2735.7, 1110.5], [2667.4, 1100.0], [2316.1, 1152.9], [2529.1, 1122.5], [2274.1, 900.0], [3923.2, 1908.0], [640.3, 638.5], [2933.5, 1098.5], [2293.1, 1014.9], [2924.9, 1794.0], [2106.4, 1026.8], [2267.2, 788.0], [2267.2, 788.0], [2144.7, 590.5], [2144.7, 590.5], [2269.3, 580.0], [2905.3, 1625.0], [1047.7, 623.5], [3871.6, 1762.7], [214.0, 650.2], [1343.1, 618.1], [95.0, 661.7], [3933.8, 2010.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[18.9, -25.8, 130.4], [-69.1, -22.3, 128.3], [-11.4, -24.6, 129.7], [25.0, -0.4, 115.7], [-56.3, -22.8, 128.6], [-24.7, -24.0, 129.3], [4.9, 2.7, 113.9], [30.7, -0.6, 115.8], [27.9, -1.0, 116.1], [13.1, 1.2, 114.8], [22.0, -0.1, 115.5], [12.0, -9.8, 121.1], [68.8, 28.0, 99.3], [-63.0, -22.5, 128.5], [39.1, -1.1, 116.1], [12.5, -4.7, 118.2], [33.8, 24.4, 101.4], [4.5, -4.2, 117.9], [12.0, -15.1, 124.2], [12.0, -15.1, 124.2], [6.8, -25.0, 129.9], [6.8, -25.0, 129.9], [12.6, -25.6, 130.2], [34.1, 18.8, 104.6], [-44.2, -23.3, 128.9], [68.8, 23.4, 101.9], [-82.5, -21.9, 128.1], [-30.6, -23.6, 129.1], [-87.7, -21.3, 127.8], [68.0, 31.1, 97.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [134.2, 147.5, 132.5, 118.3, 142.2, 133.8, 114.1, 119.8, 119.4, 115.6, 117.6, 122.1, 124.0, 144.8, 122.5, 118.9, 109.6, 118.0, 125.7, 125.7, 132.5, 132.5, 133.3, 111.6, 138.3, 125.2, 153.9, 134.7, 156.5, 122.9] \/nStep 5, find the minimum distance to the drone: 109.6 \/nStep 6, calculate the flight time of the drone: 109.6\/12=9.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":30,
+        "region":"image-level",
+        "qid":1381
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Phoebe said she bought a new golden car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'blue', 'black', 'blue', 'silver', 'green', 'red', 'black'] \/nStep 2, there is no golden car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1382
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1383
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1384
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 7249. B) 9249. C) 17249. D) 12249.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1385
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":2175000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'roewe erx5', 'mercedes-benz e-class', 'tesla model 3', 'volkswagen tiguan', 'cadillac xts', 'volvo xc40', 'chevrolet malibu xl', 'buick lacrosse', 'roewe erx5', 'wuling hongguang mini', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 2175000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1386
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"A) 225000. B) 395000. C) 197500. D) 197500.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'blue', 'black', 'blue', 'silver', 'green', 'red', 'black'] \nStep 2, identify the model of blue vehicles: ['volvo xc40', 'buick lacrosse'] \nStep 3, query vehicle prices: {'volvo xc40': 225000, 'buick lacrosse': 170000} \nStep 4, sum the price of each blue vehicle: 395000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1387
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":167307,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'roewe erx5', 'mercedes-benz e-class', 'tesla model 3', 'volkswagen tiguan', 'cadillac xts', 'volvo xc40', 'chevrolet malibu xl', 'buick lacrosse', 'roewe erx5', 'wuling hongguang mini', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, calculate the average price of all vehicles: 167307",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1388
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'roewe erx5', 'mercedes-benz e-class', 'tesla model 3', 'volkswagen tiguan', 'cadillac xts', 'volvo xc40', 'chevrolet malibu xl', 'buick lacrosse', 'roewe erx5', 'wuling hongguang mini', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, calculate the median price of all vehicles: 170000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1389
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 3.1. B) 60.6. C) 5.1. D) 4.7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.7, 5.1, 4.7, 4.5, 5.1, 4.4, 4.9, 5.0, 4.7, 3.1, 4.9, 4.6] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1390
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'roewe erx5', 'mercedes-benz e-class', 'tesla model 3', 'volkswagen tiguan', 'cadillac xts', 'volvo xc40', 'chevrolet malibu xl', 'buick lacrosse', 'roewe erx5', 'wuling hongguang mini', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, calculate the minimum price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1391
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) blue. B) white. C) green. D) pink.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'blue', 'black', 'blue', 'silver', 'green', 'red', 'black'] \/nStep 2, count vehicles for each color: {'white': 5, 'brown': 1, 'blue': 2, 'black': 2, 'silver': 1, 'green': 1, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1392
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 13-8=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1393
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'full-size', 'mid-size', 'suv', 'full-size', 'suv', 'mid-size', 'mid-size', 'suv', 'micro-size', 'suv', 'suv'] \/nStep 2, count all micro-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1394
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000}",
+        "choices":"A) 16. B) 14. C) 15. D) 13.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mercedes-benz c-class', 'roewe erx5', 'mercedes-benz e-class', 'tesla model 3', 'volkswagen tiguan', 'cadillac xts', 'volvo xc40', 'chevrolet malibu xl', 'buick lacrosse', 'roewe erx5', 'wuling hongguang mini', 'byd tang', 'buick envision'] \nStep 2, query all vehicle prices: {'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000, 'buick envision': 205000} \nStep 3, count vehicles priced below 500000 RMB: 13",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1395
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many blue full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'blue', 'black', 'blue', 'silver', 'green', 'red', 'black'] \nStep 2, identify the type of blue vehicles: ['suv', 'mid-size'] \nStep 3, count blue full-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1396
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"envision",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2272.5, 431.5], [2371.5, 406.7], [2172.3, 441.7], [2468.3, 416.3], [2695.7, 1079.7], [1864.7, 488.1], [2749.3, 393.8], [1575.2, 538.2], [1570.2, 332.5], [1840.4, 307.8], [2725.8, 1312.2], [1821.9, 162.4], [1819.8, 22.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.0, -20.2, 81.0], [10.9, -21.1, 81.5], [5.0, -19.9, 80.8], [13.7, -20.8, 81.3], [17.5, -1.1, 69.9], [-3.9, -18.3, 79.9], [22.1, -21.5, 81.7], [-12.1, -16.7, 78.9], [-12.9, -23.7, 83.0], [-4.8, -24.6, 83.5], [17.4, 4.5, 66.7], [-5.6, -30.1, 86.6], [-5.8, -35.7, 89.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.8, 84.8, 83.3, 85.0, 72.1, 82.0, 87.3, 81.6, 87.2, 87.2, 69.1, 91.9, 96.9] \/nStep 5, find the maximum distance to the drone: 96.9 \/nStep 6, identify the model of this vehicle: envision",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1397
+    },
+    {
+        "image":"072dc5c6-DJI_0403.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 18.5. B) 17.5. C) 18. D) 5.4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2272.5, 431.5], [2371.5, 406.7], [2172.3, 441.7], [2468.3, 416.3], [2695.7, 1079.7], [1864.7, 488.1], [2749.3, 393.8], [1575.2, 538.2], [1570.2, 332.5], [1840.4, 307.8], [2725.8, 1312.2], [1821.9, 162.4], [1819.8, 22.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.0, -20.2, 81.0], [10.9, -21.1, 81.5], [5.0, -19.9, 80.8], [13.7, -20.8, 81.3], [17.5, -1.1, 69.9], [-3.9, -18.3, 79.9], [22.1, -21.5, 81.7], [-12.1, -16.7, 78.9], [-12.9, -23.7, 83.0], [-4.8, -24.6, 83.5], [17.4, 4.5, 66.7], [-5.6, -30.1, 86.6], [-5.8, -35.7, 89.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [83.8, 84.8, 83.3, 85.0, 72.1, 82.0, 87.3, 81.6, 87.2, 87.2, 69.1, 91.9, 96.9] \/nStep 5, find the maximum distance to the drone: 96.9 \/nStep 6, calculate the flight time of the drone: 96.9\/18=5.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1398
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Rachel said she bought a new red car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'white', 'black', 'white', 'white', 'white', 'white', 'brown', 'red', 'silver', 'white', 'black', 'silver', 'white', 'blue', 'black', 'black', 'black'] \/nStep 2, there is an red car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1399
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1400
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1401
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 17249. B) 12249. C) 8249. D) 7249.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1402
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"A) 3615000. B) 120. C) 180. D) 723.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'cadillac xts', 'volvo xc40', 'roewe erx5', 'buick envision', 'buick velite 5', 'roewe 550', 'mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen tiguan', 'byd tang', 'roewe erx5', 'mercedes-benz e-class', 'bmw 7 series', 'wuling hongguang', 'baojun 730', 'buick lacrosse', 'chevrolet malibu xl', 'byd tang', 'buick excelle'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000} \nStep 3, sum the price of each vehicle: 3615000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1403
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"",
+        "answer":1375000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'white', 'black', 'white', 'white', 'white', 'white', 'brown', 'red', 'silver', 'white', 'black', 'silver', 'white', 'blue', 'black', 'black', 'black'] \nStep 2, identify the model of white vehicles: ['tesla model 3', 'cadillac xts', 'roewe erx5', 'buick velite 5', 'roewe 550', 'mercedes-benz c-class', 'mercedes-benz c-class', 'mercedes-benz e-class', 'baojun 730'] \nStep 3, query vehicle prices: {'tesla model 3': 285000, 'cadillac xts': 105000, 'roewe erx5': 50000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'baojun 730': 35000} \nStep 4, sum the price of each white vehicle: 1375000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1404
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.4, 4.7, 4.6, 4.6, 4.6, 4.9, 4.9, 4.5, 4.9, 4.7, 5.1, 5.4, 4.4, 4.8, 5.0, 4.9, 4.9, 4.6] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1405
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.4, 4.7, 4.6, 4.6, 4.6, 4.9, 4.9, 4.5, 4.9, 4.7, 5.1, 5.4, 4.4, 4.8, 5.0, 4.9, 4.9, 4.6] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1406
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"",
+        "answer":845000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'cadillac xts', 'volvo xc40', 'roewe erx5', 'buick envision', 'buick velite 5', 'roewe 550', 'mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen tiguan', 'byd tang', 'roewe erx5', 'mercedes-benz e-class', 'bmw 7 series', 'wuling hongguang', 'baojun 730', 'buick lacrosse', 'chevrolet malibu xl', 'byd tang', 'buick excelle'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000} \nStep 3, calculate the maximum price of all vehicles: 845000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1407
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.4, 4.7, 4.6, 4.6, 4.6, 4.9, 4.9, 4.5, 4.9, 4.7, 5.1, 5.4, 4.4, 4.8, 5.0, 4.9, 4.9, 4.6] \nStep 5, find the minimum length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1408
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'white', 'black', 'white', 'white', 'white', 'white', 'brown', 'red', 'silver', 'white', 'black', 'silver', 'white', 'blue', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 9, 'blue': 2, 'black': 5, 'brown': 1, 'red': 1, 'silver': 2}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1409
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of full-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'full-size', 'suv', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'full-size', 'micro-size', 'mpv', 'mid-size', 'mid-size', 'suv', 'compact'] \nStep 2, identify the color of full-size vehicles: ['white', 'white', 'black'] \nStep 3, count full-size vehicles for each color: {'white': 2, 'black': 1} \nStep 4, sort to get the most common color of full-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1410
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 9. B) 6. C) 4. D) 7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 20 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 20-11=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1411
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'full-size', 'suv', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'full-size', 'micro-size', 'mpv', 'mid-size', 'mid-size', 'suv', 'compact'] \/nStep 2, count all mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1412
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'cadillac xts', 'volvo xc40', 'roewe erx5', 'buick envision', 'buick velite 5', 'roewe 550', 'mercedes-benz c-class', 'mercedes-benz c-class', 'volkswagen tiguan', 'byd tang', 'roewe erx5', 'mercedes-benz e-class', 'bmw 7 series', 'wuling hongguang', 'baojun 730', 'buick lacrosse', 'chevrolet malibu xl', 'byd tang', 'buick excelle'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000} \nStep 3, count vehicles priced below 300000 RMB: 18",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1413
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many silver micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'blue', 'white', 'black', 'white', 'white', 'white', 'white', 'brown', 'red', 'silver', 'white', 'black', 'silver', 'white', 'blue', 'black', 'black', 'black'] \nStep 2, identify the type of silver vehicles: ['suv', 'micro-size'] \nStep 3, count silver micro-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1414
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"tiguan",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2533.9, 1190.3], [1839.3, 1283.2], [2859.4, 1164.9], [2423.0, 1178.5], [1790.6, 681.4], [1611.1, 380.8], [2019.1, 352.6], [2306.9, 1207.7], [2306.9, 1207.7], [2826.4, 2112.4], [1790.8, 863.3], [1815.2, 1053.3], [2193.5, 1222.6], [3173.0, 1453.3], [992.5, 411.2], [530.7, 434.0], [1501.3, 1080.0], [1503.6, 1355.4], [1808.8, 366.1], [311.2, 457.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[13.2, 1.6, 68.4], [-3.9, 3.8, 67.1], [21.3, 1.0, 68.7], [10.4, 1.3, 68.5], [-5.8, -12.2, 76.3], [-11.5, -22.0, 82.0], [0.6, -23.0, 82.5], [7.5, 2.0, 68.1], [7.5, 2.0, 68.1], [17.1, 20.5, 57.5], [-5.5, -6.9, 73.3], [-4.7, -1.8, 70.3], [4.7, 2.4, 67.9], [27.4, 7.7, 64.9], [-29.5, -20.9, 81.4], [-42.9, -20.2, 80.9], [-12.6, -1.1, 69.9], [-11.8, 5.5, 66.1], [-5.7, -22.5, 82.3], [-49.0, -19.3, 80.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [69.6, 67.3, 71.9, 69.3, 77.5, 85.6, 85.7, 68.6, 68.6, 63.4, 73.8, 70.5, 68.1, 70.8, 89.1, 93.8, 71.1, 67.4, 85.5, 96.2] \/nStep 5, find the minimum distance to the drone: 63.4 \/nStep 6, identify the model of this vehicle: tiguan",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1415
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2533.9, 1190.3], [1839.3, 1283.2], [2859.4, 1164.9], [2423.0, 1178.5], [1790.6, 681.4], [1611.1, 380.8], [2019.1, 352.6], [2306.9, 1207.7], [2306.9, 1207.7], [2826.4, 2112.4], [1790.8, 863.3], [1815.2, 1053.3], [2193.5, 1222.6], [3173.0, 1453.3], [992.5, 411.2], [530.7, 434.0], [1501.3, 1080.0], [1503.6, 1355.4], [1808.8, 366.1], [311.2, 457.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[13.2, 1.6, 68.4], [-3.9, 3.8, 67.1], [21.3, 1.0, 68.7], [10.4, 1.3, 68.5], [-5.8, -12.2, 76.3], [-11.5, -22.0, 82.0], [0.6, -23.0, 82.5], [7.5, 2.0, 68.1], [7.5, 2.0, 68.1], [17.1, 20.5, 57.5], [-5.5, -6.9, 73.3], [-4.7, -1.8, 70.3], [4.7, 2.4, 67.9], [27.4, 7.7, 64.9], [-29.5, -20.9, 81.4], [-42.9, -20.2, 80.9], [-12.6, -1.1, 69.9], [-11.8, 5.5, 66.1], [-5.7, -22.5, 82.3], [-49.0, -19.3, 80.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [69.6, 67.3, 71.9, 69.3, 77.5, 85.6, 85.7, 68.6, 68.6, 63.4, 73.8, 70.5, 68.1, 70.8, 89.1, 93.8, 71.1, 67.4, 85.5, 96.2] \/nStep 5, find the minimum distance to the drone: 63.4 \/nStep 6, calculate the flight time of the drone: 63.4\/12=5.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":20,
+        "region":"image-level",
+        "qid":1416
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new blue car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'black', 'white', 'white', 'white'] \/nStep 2, there is an blue car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1417
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 40. B) 100. C) 20. D) 120.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1418
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 45. B) 60. C) 70. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1419
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 5805. B) 2805. C) 1805. D) 805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1420
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":2015000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc40', 'tesla model 3', 'bmw 7 series', 'mercedes-benz c-class', 'mercedes-benz e-class', 'roewe erx5'] \nStep 2, query all vehicle prices: {'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000} \nStep 3, sum the price of each vehicle: 2015000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1421
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"A) 236250. B) 945000. C) 50000. D) 252500.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'black', 'white', 'white', 'white'] \nStep 2, identify the model of white vehicles: ['tesla model 3', 'mercedes-benz c-class', 'mercedes-benz e-class', 'roewe erx5'] \nStep 3, query vehicle prices: {'tesla model 3': 285000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000} \nStep 4, sum the price of each white vehicle: 945000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1422
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"A) 50000. B) 255000. C) 945000. D) 335833.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc40', 'tesla model 3', 'bmw 7 series', 'mercedes-benz c-class', 'mercedes-benz e-class', 'roewe erx5'] \nStep 2, query all vehicle prices: {'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000} \nStep 3, calculate the average price of all vehicles: 335833",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1423
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":255000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc40', 'tesla model 3', 'bmw 7 series', 'mercedes-benz c-class', 'mercedes-benz e-class', 'roewe erx5'] \nStep 2, query all vehicle prices: {'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000} \nStep 3, calculate the median price of all vehicles: 255000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1424
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4. B) 4.8. C) 4.4. D) 5.4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.7, 5.4, 4.9, 5.1, 4.7] \nStep 5, find the maximum length of all vehicles: 5.4",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1425
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.4, 4.7, 5.4, 4.9, 5.1, 4.7] \nStep 5, find the minimum length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1426
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'black', 'white', 'white', 'white'] \/nStep 2, count vehicles for each color: {'blue': 1, 'white': 4, 'black': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1427
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'full-size', 'mid-size', 'full-size', 'suv'] \nStep 2, identify the color of mid-size vehicles: ['white', 'white'] \nStep 3, count mid-size vehicles for each color: {'white': 2} \nStep 4, sort to get the most common color of mid-size vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1428
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were -1 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 6--1=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1429
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'full-size', 'mid-size', 'full-size', 'suv'] \/nStep 2, count all full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1430
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc40', 'tesla model 3', 'bmw 7 series', 'mercedes-benz c-class', 'mercedes-benz e-class', 'roewe erx5'] \nStep 2, query all vehicle prices: {'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000} \nStep 3, count vehicles priced below 300000 RMB: 4",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1431
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'black', 'white', 'white', 'white'] \nStep 2, identify the type of black vehicles: ['full-size'] \nStep 3, count black full-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1432
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2718.8, 946.0], [1777.2, 1024.6], [2399.8, 959.8], [1113.9, 1078.8], [760.1, 1116.3], [1455.7, 987.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[6.2, -1.5, 24.0], [-1.9, -0.9, 23.6], [3.4, -1.4, 23.9], [-7.4, -0.4, 23.3], [-10.3, -0.1, 23.1], [-4.7, -1.2, 23.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.8, 23.7, 24.2, 24.5, 25.3, 24.3] \/nStep 5, find the minimum distance to the drone: 23.7 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1433
+    },
+    {
+        "image":"6930dd55-DJI_0405.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2718.8, 946.0], [1777.2, 1024.6], [2399.8, 959.8], [1113.9, 1078.8], [760.1, 1116.3], [1455.7, 987.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[6.2, -1.5, 24.0], [-1.9, -0.9, 23.6], [3.4, -1.4, 23.9], [-7.4, -0.4, 23.3], [-10.3, -0.1, 23.1], [-4.7, -1.2, 23.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.8, 23.7, 24.2, 24.5, 25.3, 24.3] \/nStep 5, find the minimum distance to the drone: 23.7 \/nStep 6, calculate the flight time of the drone: 23.7\/10=2.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1434
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Monica said she bought a new silver car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'silver', 'black', 'red'] \/nStep 2, there is an silver car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1435
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1436
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1437
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4260. B) 4760. C) 9260. D) 6260.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1438
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"A) 238. B) 795000. C) 39. D) 159.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe 550', 'buick velite 5', 'buick envision', 'wuling hongguang', 'byd tang', 'byd tang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000} \nStep 3, sum the price of each vehicle: 795000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1439
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":113571,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe 550', 'buick velite 5', 'buick envision', 'wuling hongguang', 'byd tang', 'byd tang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000} \nStep 3, calculate the average price of all vehicles: 113571",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1440
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe 550', 'buick velite 5', 'buick envision', 'wuling hongguang', 'byd tang', 'byd tang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000} \nStep 3, calculate the median price of all vehicles: 50000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1441
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.6. B) 4.9. C) 4.4. D) 32.7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.6, 4.6, 4.4, 4.9, 4.9] \nStep 5, find the maximum length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1442
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe 550', 'buick velite 5', 'buick envision', 'wuling hongguang', 'byd tang', 'byd tang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1443
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) black. B) white. C) golden. D) yellow.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'silver', 'black', 'red'] \/nStep 2, count vehicles for each color: {'white': 3, 'black': 2, 'silver': 1, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1444
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) black. C) silver. D) gray.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'micro-size', 'suv', 'suv'] \nStep 2, identify the color of suv vehicles: ['black', 'black', 'red'] \nStep 3, count suv vehicles for each color: {'black': 2, 'red': 1} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1445
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were -3 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 7--3=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1446
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many white vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'silver', 'black', 'red'] \/nStep 2, count all white vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1447
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe 550', 'buick velite 5', 'buick envision', 'wuling hongguang', 'byd tang', 'byd tang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000} \nStep 3, count vehicles priced below 500000 RMB: 7",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1448
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many black micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'black', 'silver', 'black', 'red'] \nStep 2, identify the type of black vehicles: ['suv', 'suv'] \nStep 3, count black micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1449
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"hongguang",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2559.4, 1056.5], [2559.4, 1056.5], [1791.9, 1100.3], [2176.9, 1739.1], [592.5, 1146.2], [2164.4, 1077.8], [2203.4, 2131.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.8, -1.1, 43.5], [8.8, -1.1, 43.5], [-3.2, -0.4, 42.8], [2.2, 7.7, 34.7], [-21.4, 0.3, 42.1], [2.6, -0.7, 43.2], [2.3, 11.3, 31.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.4, 44.4, 42.9, 35.6, 47.2, 43.2, 33.2] \/nStep 5, find the maximum distance to the drone: 47.2 \/nStep 6, identify the model of this vehicle: hongguang",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1450
+    },
+    {
+        "image":"aa42648a-DJI_0408.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":3.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2559.4, 1056.5], [2559.4, 1056.5], [1791.9, 1100.3], [2176.9, 1739.1], [592.5, 1146.2], [2164.4, 1077.8], [2203.4, 2131.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.8, -1.1, 43.5], [8.8, -1.1, 43.5], [-3.2, -0.4, 42.8], [2.2, 7.7, 34.7], [-21.4, 0.3, 42.1], [2.6, -0.7, 43.2], [2.3, 11.3, 31.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.4, 44.4, 42.9, 35.6, 47.2, 43.2, 33.2] \/nStep 5, find the maximum distance to the drone: 47.2 \/nStep 6, calculate the flight time of the drone: 47.2\/16=3.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1451
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'blue', 'white', 'silver', 'silver', 'white', 'black', 'white', 'white', 'black', 'red', 'white', 'silver', 'black', 'black'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1452
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 120. B) 30. C) 40. D) 60.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1453
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 90. B) 30. C) 80. D) 45.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1454
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4260. B) 5260. C) 9260. D) 4760.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1455
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"A) 164. B) 3290000. C) 987. D) 658.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'volvo xc40', 'buick lacrosse', 'roewe erx5', 'roewe erx5', 'roewe erx5', 'mercedes-benz c-class', 'chevrolet malibu xl', 'buick velite 5', 'cadillac xts', 'bmw 7 series', 'byd tang', 'mercedes-benz e-class', 'wuling hongguang', 'buick envision', 'byd tang'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000} \nStep 3, sum the price of each vehicle: 3290000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1456
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"A) 170000. B) 197500. C) 197500. D) 395000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'blue', 'white', 'silver', 'silver', 'white', 'black', 'white', 'white', 'black', 'red', 'white', 'silver', 'black', 'black'] \nStep 2, identify the model of blue vehicles: ['volvo xc40', 'buick lacrosse'] \nStep 3, query vehicle prices: {'volvo xc40': 225000, 'buick lacrosse': 170000} \nStep 4, sum the price of each blue vehicle: 395000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1457
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 5.0, 4.7, 4.7, 4.7, 4.9, 4.9, 4.6, 5.1, 5.4, 4.9, 5.1, 4.4, 4.6, 4.9] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1458
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 5.0, 4.7, 4.7, 4.7, 4.9, 4.9, 4.6, 5.1, 5.4, 4.9, 5.1, 4.4, 4.6, 4.9] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1459
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":845000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'volvo xc40', 'buick lacrosse', 'roewe erx5', 'roewe erx5', 'roewe erx5', 'mercedes-benz c-class', 'chevrolet malibu xl', 'buick velite 5', 'cadillac xts', 'bmw 7 series', 'byd tang', 'mercedes-benz e-class', 'wuling hongguang', 'buick envision', 'byd tang'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000} \nStep 3, calculate the maximum price of all vehicles: 845000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1460
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 5.0, 4.7, 4.7, 4.7, 4.9, 4.9, 4.6, 5.1, 5.4, 4.9, 5.1, 4.4, 4.6, 4.9] \nStep 5, find the minimum length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1461
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) blue. C) purple. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'blue', 'white', 'silver', 'silver', 'white', 'black', 'white', 'white', 'black', 'red', 'white', 'silver', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 6, 'blue': 2, 'silver': 3, 'black': 4, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1462
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"silver",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['mid-size', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'full-size', 'full-size', 'suv', 'full-size', 'micro-size', 'suv', 'suv'] \nStep 2, identify the color of micro-size vehicles: ['silver'] \nStep 3, count micro-size vehicles for each color: {'silver': 1} \nStep 4, sort to get the most common color of micro-size vehicle: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1463
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 21 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 7. C) 9. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 21-16=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1464
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'blue', 'white', 'silver', 'silver', 'white', 'black', 'white', 'white', 'black', 'red', 'white', 'silver', 'black', 'black'] \/nStep 2, count all black vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1465
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['tesla model 3', 'volvo xc40', 'buick lacrosse', 'roewe erx5', 'roewe erx5', 'roewe erx5', 'mercedes-benz c-class', 'chevrolet malibu xl', 'buick velite 5', 'cadillac xts', 'bmw 7 series', 'byd tang', 'mercedes-benz e-class', 'wuling hongguang', 'buick envision', 'byd tang'] \nStep 2, query all vehicle prices: {'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'chevrolet malibu xl': 145000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000} \nStep 3, count vehicles priced below 100000 RMB: 5",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1466
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many red compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'blue', 'white', 'silver', 'silver', 'white', 'black', 'white', 'white', 'black', 'red', 'white', 'silver', 'black', 'black'] \nStep 2, identify the type of red vehicles: ['suv'] \nStep 3, count red compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1467
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"xts",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2899.4, 1829.5], [3558.3, 1781.5], [844.7, 1584.1], [2670.8, 1802.6], [1466.8, 1534.6], [1466.8, 1534.6], [2442.4, 1861.0], [717.8, 2104.5], [1286.1, 535.4], [1452.7, 2009.5], [3330.2, 1789.5], [1469.6, 1205.3], [2205.9, 1885.3], [297.6, 559.0], [1510.3, 930.0], [1598.8, 517.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.0, 8.6, 33.8], [19.3, 8.1, 34.3], [-15.2, 6.0, 36.4], [8.2, 8.3, 34.1], [-7.1, 5.5, 37.0], [-7.1, 5.5, 37.0], [5.3, 8.9, 33.5], [-14.5, 11.1, 31.4], [-13.9, -11.4, 53.9], [-6.3, 10.3, 32.2], [16.4, 8.2, 34.2], [-7.9, 1.2, 41.2], [2.5, 9.1, 33.3], [-32.7, -10.9, 53.3], [-8.1, -3.2, 45.6], [-7.9, -11.9, 54.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [36.6, 40.2, 39.9, 36.1, 38.0, 38.0, 35.1, 36.3, 56.8, 34.4, 38.8, 42.0, 34.6, 63.5, 46.4, 56.1] \/nStep 5, find the minimum distance to the drone: 34.4 \/nStep 6, identify the model of this vehicle: xts",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1468
+    },
+    {
+        "image":"e4930100-DJI_0409.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 10. B) 3.4. C) 10.5. D) 11.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2899.4, 1829.5], [3558.3, 1781.5], [844.7, 1584.1], [2670.8, 1802.6], [1466.8, 1534.6], [1466.8, 1534.6], [2442.4, 1861.0], [717.8, 2104.5], [1286.1, 535.4], [1452.7, 2009.5], [3330.2, 1789.5], [1469.6, 1205.3], [2205.9, 1885.3], [297.6, 559.0], [1510.3, 930.0], [1598.8, 517.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.0, 8.6, 33.8], [19.3, 8.1, 34.3], [-15.2, 6.0, 36.4], [8.2, 8.3, 34.1], [-7.1, 5.5, 37.0], [-7.1, 5.5, 37.0], [5.3, 8.9, 33.5], [-14.5, 11.1, 31.4], [-13.9, -11.4, 53.9], [-6.3, 10.3, 32.2], [16.4, 8.2, 34.2], [-7.9, 1.2, 41.2], [2.5, 9.1, 33.3], [-32.7, -10.9, 53.3], [-8.1, -3.2, 45.6], [-7.9, -11.9, 54.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [36.6, 40.2, 39.9, 36.1, 38.0, 38.0, 35.1, 36.3, 56.8, 34.4, 38.8, 42.0, 34.6, 63.5, 46.4, 56.1] \/nStep 5, find the minimum distance to the drone: 34.4 \/nStep 6, calculate the flight time of the drone: 34.4\/10=3.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1469
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Rachel said she bought a new white car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'blue', 'white', 'silver', 'white', 'silver', 'red', 'black', 'black', 'black', 'blue', 'black'] \/nStep 2, there is an white car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1470
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1471
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 80. B) 45. C) 70. D) 60.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1472
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":23197,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1473
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"A) 1251. B) 4170000. C) 834. D) 139.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'buick velite 5', 'mercedes-benz c-class', 'tesla model 3', 'volkswagen tiguan', 'mercedes-benz e-class', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'buick lacrosse', 'volvo xc40', 'baojun 730', 'roewe erx5', 'cadillac xts', 'wuling hongguang', 'byd tang', 'byd tang', 'buick envision', 'buick envision', 'volvo xc60', 'volvo s90'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000} \nStep 3, sum the price of each vehicle: 4170000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1474
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"A) 290000. B) 685000. C) 228333. D) 170000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'blue', 'white', 'silver', 'white', 'silver', 'red', 'black', 'black', 'black', 'blue', 'black'] \nStep 2, identify the model of blue vehicles: ['buick lacrosse', 'volvo xc40', 'volvo xc60'] \nStep 3, query vehicle prices: {'buick lacrosse': 170000, 'volvo xc40': 225000, 'volvo xc60': 290000} \nStep 4, sum the price of each blue vehicle: 685000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1475
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"A) 20000. B) 845000. C) 685000. D) 198571.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'buick velite 5', 'mercedes-benz c-class', 'tesla model 3', 'volkswagen tiguan', 'mercedes-benz e-class', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'buick lacrosse', 'volvo xc40', 'baojun 730', 'roewe erx5', 'cadillac xts', 'wuling hongguang', 'byd tang', 'byd tang', 'buick envision', 'buick envision', 'volvo xc60', 'volvo s90'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000} \nStep 3, calculate the average price of all vehicles: 198571",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1476
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"A) 845000. B) 198571. C) 20000. D) 205000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'buick velite 5', 'mercedes-benz c-class', 'tesla model 3', 'volkswagen tiguan', 'mercedes-benz e-class', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'buick lacrosse', 'volvo xc40', 'baojun 730', 'roewe erx5', 'cadillac xts', 'wuling hongguang', 'byd tang', 'byd tang', 'buick envision', 'buick envision', 'volvo xc60', 'volvo s90'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000} \nStep 3, calculate the median price of all vehicles: 205000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1477
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.7. B) 5.4. C) 100.6. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.9, 4.7, 4.5, 5.1, 4.9, 5.4, 4.7, 5.0, 4.4, 4.8, 4.7, 5.1, 4.4, 4.9, 4.9, 4.6, 4.6, 4.7, 5.1] \nStep 5, find the maximum length of all vehicles: 5.4",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1478
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'buick velite 5', 'mercedes-benz c-class', 'tesla model 3', 'volkswagen tiguan', 'mercedes-benz e-class', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'buick lacrosse', 'volvo xc40', 'baojun 730', 'roewe erx5', 'cadillac xts', 'wuling hongguang', 'byd tang', 'byd tang', 'buick envision', 'buick envision', 'volvo xc60', 'volvo s90'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1479
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) blue. C) white. D) silver.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'blue', 'white', 'silver', 'white', 'silver', 'red', 'black', 'black', 'black', 'blue', 'black'] \/nStep 2, count vehicles for each color: {'white': 8, 'brown': 1, 'black': 6, 'blue': 3, 'silver': 2, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1480
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'mid-size', 'mid-size', 'suv', 'full-size', 'mid-size', 'full-size', 'suv', 'mid-size', 'suv', 'mpv', 'suv', 'full-size', 'micro-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'full-size'] \nStep 2, identify the color of compact vehicles: ['white', 'white'] \nStep 3, count compact vehicles for each color: {'white': 2} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1481
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 19 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 21 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 21-19=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1482
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 6. B) 7. C) 8. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'blue', 'white', 'silver', 'white', 'silver', 'red', 'black', 'black', 'black', 'blue', 'black'] \/nStep 2, count all black vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1483
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'buick velite 5', 'mercedes-benz c-class', 'tesla model 3', 'volkswagen tiguan', 'mercedes-benz e-class', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'buick lacrosse', 'volvo xc40', 'baojun 730', 'roewe erx5', 'cadillac xts', 'wuling hongguang', 'byd tang', 'byd tang', 'buick envision', 'buick envision', 'volvo xc60', 'volvo s90'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo xc60': 290000, 'volvo s90': 325000} \nStep 3, count vehicles priced above 500000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1484
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many black micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'brown', 'white', 'black', 'black', 'white', 'blue', 'blue', 'white', 'silver', 'white', 'silver', 'red', 'black', 'black', 'black', 'blue', 'black'] \nStep 2, identify the type of black vehicles: ['mid-size', 'full-size', 'suv', 'suv', 'suv', 'full-size'] \nStep 3, count black micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1485
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"730",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1639.5, 967.3], [1312.1, 1035.6], [1981.0, 1547.3], [2152.5, 1501.5], [2512.9, 2149.3], [1891.4, 1574.0], [1336.0, 1783.4], [2310.5, 1457.6], [2064.7, 1508.6], [1301.2, 1568.2], [2393.6, 1438.2], [386.8, 1216.2], [1559.8, 1499.3], [1610.6, 1675.2], [792.6, 1133.7], [1517.9, 1361.6], [1471.2, 1000.7], [1495.6, 1228.8], [1495.6, 1228.8], [3934.2, 2216.4], [3808.4, 2024.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-13.6, -6.0, 105.0], [-25.4, -3.3, 102.3], [-0.6, 13.1, 85.9], [4.8, 11.8, 87.2], [13.4, 26.7, 72.3], [-3.3, 13.8, 85.2], [-19.1, 19.0, 80.0], [9.9, 10.6, 88.4], [2.0, 12.0, 87.0], [-21.5, 13.6, 85.4], [12.6, 10.0, 89.0], [-55.7, 3.2, 95.8], [-13.8, 11.8, 87.2], [-11.6, 16.4, 82.6], [-42.9, 0.3, 98.7], [-15.8, 7.8, 91.2], [-19.8, -4.6, 103.6], [-17.3, 3.6, 95.4], [-17.3, 3.6, 95.4], [49.5, 27.9, 71.0], [48.7, 24.2, 74.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [106.0, 105.4, 86.9, 88.1, 78.2, 86.4, 84.4, 89.6, 87.8, 89.1, 90.4, 110.9, 89.1, 85.0, 107.6, 92.9, 105.6, 97.1, 97.1, 91.0, 92.5] \/nStep 5, find the maximum distance to the drone: 110.9 \/nStep 6, identify the model of this vehicle: 730",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1486
+    },
+    {
+        "image":"5f48051f-DJI_0410.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":9.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1639.5, 967.3], [1312.1, 1035.6], [1981.0, 1547.3], [2152.5, 1501.5], [2512.9, 2149.3], [1891.4, 1574.0], [1336.0, 1783.4], [2310.5, 1457.6], [2064.7, 1508.6], [1301.2, 1568.2], [2393.6, 1438.2], [386.8, 1216.2], [1559.8, 1499.3], [1610.6, 1675.2], [792.6, 1133.7], [1517.9, 1361.6], [1471.2, 1000.7], [1495.6, 1228.8], [1495.6, 1228.8], [3934.2, 2216.4], [3808.4, 2024.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-13.6, -6.0, 105.0], [-25.4, -3.3, 102.3], [-0.6, 13.1, 85.9], [4.8, 11.8, 87.2], [13.4, 26.7, 72.3], [-3.3, 13.8, 85.2], [-19.1, 19.0, 80.0], [9.9, 10.6, 88.4], [2.0, 12.0, 87.0], [-21.5, 13.6, 85.4], [12.6, 10.0, 89.0], [-55.7, 3.2, 95.8], [-13.8, 11.8, 87.2], [-11.6, 16.4, 82.6], [-42.9, 0.3, 98.7], [-15.8, 7.8, 91.2], [-19.8, -4.6, 103.6], [-17.3, 3.6, 95.4], [-17.3, 3.6, 95.4], [49.5, 27.9, 71.0], [48.7, 24.2, 74.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [106.0, 105.4, 86.9, 88.1, 78.2, 86.4, 84.4, 89.6, 87.8, 89.1, 90.4, 110.9, 89.1, 85.0, 107.6, 92.9, 105.6, 97.1, 97.1, 91.0, 92.5] \/nStep 5, find the maximum distance to the drone: 110.9 \/nStep 6, calculate the flight time of the drone: 110.9\/12=9.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1487
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new golden car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'black', 'black', 'silver', 'white', 'blue', 'black', 'red', 'white', 'blue', 'silver', 'white', 'black', 'white', 'white', 'black', 'black', 'white', 'black', 'white', 'brown', 'brown', 'brown', 'brown', 'brown', 'brown'] \/nStep 2, there is no golden car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1488
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1489
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1490
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 59284. B) 57284. C) 58284. D) 67284.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1491
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":4340000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe erx5', 'volkswagen tiguan l', 'cadillac xts', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'tesla model 3', 'buick lacrosse', 'buick envision', 'byd tang', 'mercedes-benz c-class', 'volvo xc40', 'wuling hongguang', 'mercedes-benz e-class', 'nissan x-trail', 'changan cs55', 'buick velite 5', 'byd tang', 'byd tang', 'baojun 730', 'buick excelle', 'geely atlas', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000} \nStep 3, sum the price of each vehicle: 4340000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1492
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":1300000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'black', 'black', 'silver', 'white', 'blue', 'black', 'red', 'white', 'blue', 'silver', 'white', 'black', 'white', 'white', 'black', 'black', 'white', 'black', 'white', 'brown', 'brown', 'brown', 'brown', 'brown', 'brown'] \nStep 2, identify the model of white vehicles: ['roewe 550', 'roewe erx5', 'cadillac xts', 'tesla model 3', 'mercedes-benz c-class', 'mercedes-benz e-class', 'changan cs55', 'buick velite 5', 'baojun 730', 'geely atlas'] \nStep 3, query vehicle prices: {'roewe 550': 20000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'tesla model 3': 285000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'geely atlas': 100000} \nStep 4, sum the price of each white vehicle: 1300000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1493
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":149655,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe erx5', 'volkswagen tiguan l', 'cadillac xts', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'tesla model 3', 'buick lacrosse', 'buick envision', 'byd tang', 'mercedes-benz c-class', 'volvo xc40', 'wuling hongguang', 'mercedes-benz e-class', 'nissan x-trail', 'changan cs55', 'buick velite 5', 'byd tang', 'byd tang', 'baojun 730', 'buick excelle', 'geely atlas', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000} \nStep 3, calculate the average price of all vehicles: 149655",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1494
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.7, 5.1, 4.9, 5.4, 4.7, 4.7, 5.0, 4.6, 4.9, 4.9, 4.4, 4.4, 5.1, 4.7, 4.5, 4.6, 4.9, 4.9, 4.8, 4.6, 4.5, 4.4, 4.4, 4.4, 4.4, 4.4, 4.4] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1495
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.7, 5.1, 4.9, 5.4, 4.7, 4.7, 5.0, 4.6, 4.9, 4.9, 4.4, 4.4, 5.1, 4.7, 4.5, 4.6, 4.9, 4.9, 4.8, 4.6, 4.5, 4.4, 4.4, 4.4, 4.4, 4.4, 4.4] \nStep 5, find the maximum length of all vehicles: 5.4",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1496
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe erx5', 'volkswagen tiguan l', 'cadillac xts', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'tesla model 3', 'buick lacrosse', 'buick envision', 'byd tang', 'mercedes-benz c-class', 'volvo xc40', 'wuling hongguang', 'mercedes-benz e-class', 'nissan x-trail', 'changan cs55', 'buick velite 5', 'byd tang', 'byd tang', 'baojun 730', 'buick excelle', 'geely atlas', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000} \nStep 3, calculate the minimum price of all vehicles: 20000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1497
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) green. B) brown. C) yellow. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'black', 'black', 'silver', 'white', 'blue', 'black', 'red', 'white', 'blue', 'silver', 'white', 'black', 'white', 'white', 'black', 'black', 'white', 'black', 'white', 'brown', 'brown', 'brown', 'brown', 'brown', 'brown'] \/nStep 2, count vehicles for each color: {'white': 10, 'silver': 3, 'black': 7, 'blue': 2, 'red': 1, 'brown': 6}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1498
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) blue. B) black. C) green. D) red.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'full-size', 'mid-size', 'full-size', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'micro-size', 'full-size', 'suv', 'suv', 'compact', 'suv', 'suv', 'mpv', 'compact', 'suv', 'micro-size', 'micro-size', 'micro-size', 'micro-size', 'micro-size', 'micro-size'] \nStep 2, identify the color of suv vehicles: ['white', 'silver', 'silver', 'black', 'red', 'blue', 'black', 'white', 'black', 'black', 'white'] \nStep 3, count suv vehicles for each color: {'white': 3, 'silver': 2, 'black': 4, 'red': 1, 'blue': 1} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1499
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 36 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 6. B) 5. C) 7. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 29 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 36-29=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1500
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":11,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv', 'full-size', 'mid-size', 'full-size', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'micro-size', 'full-size', 'suv', 'suv', 'compact', 'suv', 'suv', 'mpv', 'compact', 'suv', 'micro-size', 'micro-size', 'micro-size', 'micro-size', 'micro-size', 'micro-size'] \/nStep 2, count all suv vehicles: 11",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1501
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe 550', 'roewe erx5', 'volkswagen tiguan l', 'cadillac xts', 'chevrolet malibu xl', 'bmw 7 series', 'roewe erx5', 'tesla model 3', 'buick lacrosse', 'buick envision', 'byd tang', 'mercedes-benz c-class', 'volvo xc40', 'wuling hongguang', 'mercedes-benz e-class', 'nissan x-trail', 'changan cs55', 'buick velite 5', 'byd tang', 'byd tang', 'baojun 730', 'buick excelle', 'geely atlas', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang', 'wuling hongguang'] \nStep 2, query all vehicle prices: {'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000} \nStep 3, count vehicles priced above 100000 RMB: 14",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1502
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many silver compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 2. C) 1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'silver', 'white', 'black', 'black', 'silver', 'white', 'blue', 'black', 'red', 'white', 'blue', 'silver', 'white', 'black', 'white', 'white', 'black', 'black', 'white', 'black', 'white', 'brown', 'brown', 'brown', 'brown', 'brown', 'brown'] \nStep 2, identify the type of silver vehicles: ['suv', 'suv', 'micro-size'] \nStep 3, count silver compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1503
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"hongguang",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2562.3, 1450.8], [2579.9, 2003.5], [1090.2, 998.0], [2234.9, 1915.5], [2047.8, 1874.0], [2769.7, 2080.7], [2276.1, 1785.8], [2641.9, 2036.9], [2108.1, 1730.0], [2351.0, 1580.2], [2309.1, 1678.3], [2511.4, 1990.6], [2837.6, 2107.0], [2004.5, 1275.0], [2441.2, 1968.8], [1180.6, 1026.3], [1282.3, 1057.2], [2326.3, 1378.1], [2438.7, 1411.5], [2438.7, 1411.5], [1780.9, 1206.6], [1677.3, 1178.4], [1475.7, 1117.2], [906.3, 940.1], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[28.2, 16.3, 139.2], [24.7, 37.4, 118.2], [-53.5, -7.5, 163.0], [10.2, 34.5, 121.1], [2.1, 33.1, 122.5], [32.1, 39.9, 115.7], [12.5, 29.9, 125.6], [27.1, 38.5, 117.1], [5.0, 27.8, 127.7], [16.9, 21.9, 133.6], [14.4, 25.9, 129.7], [21.9, 37.0, 118.6], [34.7, 40.7, 114.9], [0.2, 8.0, 147.6], [19.0, 36.3, 119.3], [-47.6, -5.7, 161.3], [-41.2, -3.9, 159.5], [16.8, 13.0, 142.6], [22.3, 14.6, 141.0], [22.3, 14.6, 141.0], [-11.9, 4.4, 151.1], [-17.8, 2.9, 152.6], [-29.5, -0.4, 156.0], [-65.7, -11.1, 166.7], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [143.0, 126.4, 171.7, 126.3, 126.9, 126.5, 129.8, 126.2, 130.8, 136.5, 133.0, 126.1, 126.7, 147.8, 126.1, 168.3, 164.8, 144.1, 143.5, 143.5, 151.7, 153.7, 158.8, 179.5, 183.1, 183.1, 183.1, 183.1, 183.1] \/nStep 5, find the maximum distance to the drone: 183.1 \/nStep 6, identify the model of this vehicle: hongguang",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1504
+    },
+    {
+        "image":"63ff6306-DJI_0414.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":15.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2562.3, 1450.8], [2579.9, 2003.5], [1090.2, 998.0], [2234.9, 1915.5], [2047.8, 1874.0], [2769.7, 2080.7], [2276.1, 1785.8], [2641.9, 2036.9], [2108.1, 1730.0], [2351.0, 1580.2], [2309.1, 1678.3], [2511.4, 1990.6], [2837.6, 2107.0], [2004.5, 1275.0], [2441.2, 1968.8], [1180.6, 1026.3], [1282.3, 1057.2], [2326.3, 1378.1], [2438.7, 1411.5], [2438.7, 1411.5], [1780.9, 1206.6], [1677.3, 1178.4], [1475.7, 1117.2], [906.3, 940.1], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2], [819.9, 918.2]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[28.2, 16.3, 139.2], [24.7, 37.4, 118.2], [-53.5, -7.5, 163.0], [10.2, 34.5, 121.1], [2.1, 33.1, 122.5], [32.1, 39.9, 115.7], [12.5, 29.9, 125.6], [27.1, 38.5, 117.1], [5.0, 27.8, 127.7], [16.9, 21.9, 133.6], [14.4, 25.9, 129.7], [21.9, 37.0, 118.6], [34.7, 40.7, 114.9], [0.2, 8.0, 147.6], [19.0, 36.3, 119.3], [-47.6, -5.7, 161.3], [-41.2, -3.9, 159.5], [16.8, 13.0, 142.6], [22.3, 14.6, 141.0], [22.3, 14.6, 141.0], [-11.9, 4.4, 151.1], [-17.8, 2.9, 152.6], [-29.5, -0.4, 156.0], [-65.7, -11.1, 166.7], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1], [-71.5, -12.5, 168.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [143.0, 126.4, 171.7, 126.3, 126.9, 126.5, 129.8, 126.2, 130.8, 136.5, 133.0, 126.1, 126.7, 147.8, 126.1, 168.3, 164.8, 144.1, 143.5, 143.5, 151.7, 153.7, 158.8, 179.5, 183.1, 183.1, 183.1, 183.1, 183.1] \/nStep 5, find the maximum distance to the drone: 183.1 \/nStep 6, calculate the flight time of the drone: 183.1\/12=15.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":29,
+        "region":"image-level",
+        "qid":1505
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Phoebe said she bought a new orange car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'brown', 'white', 'red', 'gray', 'yellow', 'silver', 'black', 'white', 'silver'] \/nStep 2, there is no orange car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1506
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1507
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1508
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 1869. B) 6869. C) 2369. D) 11869.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1509
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"A) 475. B) 1585000. C) 317. D) 79.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'skoda octavia', 'volkswagen lavida', 'nissan teana', 'byd song plus', 'tesla model 3', 'toyota vios', 'roewe erx5', 'audi q5 e-tron', 'volkswagen magotan'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, sum the price of each vehicle: 1585000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1510
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.7, 4.9, 4.8, 4.7, 4.4, 4.7, 4.9, 5.0] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1511
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":152500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'skoda octavia', 'volkswagen lavida', 'nissan teana', 'byd song plus', 'tesla model 3', 'toyota vios', 'roewe erx5', 'audi q5 e-tron', 'volkswagen magotan'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, calculate the median price of all vehicles: 152500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1512
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4. B) 47.5. C) 4.4. D) 5.0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.8, 4.7, 4.9, 4.8, 4.7, 4.4, 4.7, 4.9, 5.0] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1513
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":45000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'skoda octavia', 'volkswagen lavida', 'nissan teana', 'byd song plus', 'tesla model 3', 'toyota vios', 'roewe erx5', 'audi q5 e-tron', 'volkswagen magotan'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, calculate the minimum price of all vehicles: 45000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1514
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 10 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 10-8=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1515
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'brown', 'white', 'red', 'gray', 'yellow', 'silver', 'black', 'white', 'silver'] \/nStep 2, count all brown vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1516
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['skoda octavia', 'skoda octavia', 'volkswagen lavida', 'nissan teana', 'byd song plus', 'tesla model 3', 'toyota vios', 'roewe erx5', 'audi q5 e-tron', 'volkswagen magotan'] \nStep 2, query all vehicle prices: {'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'roewe erx5': 50000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, count vehicles priced below 100000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1517
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many yellow suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) -1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'brown', 'white', 'red', 'gray', 'yellow', 'silver', 'black', 'white', 'silver'] \nStep 2, identify the type of yellow vehicles: ['mid-size'] \nStep 3, count yellow suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1518
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"roewe",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2037.4, 716.7], [2037.4, 716.7], [1430.6, 1390.6], [1122.9, 580.2], [1359.1, 1226.6], [1887.9, 384.0], [2104.4, 887.1], [128.3, 1560.9], [1230.4, 905.2], [303.1, 1917.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.5, -5.9, 40.0], [0.5, -5.9, 40.0], [-8.2, 3.8, 40.0], [-12.6, -7.9, 40.0], [-9.2, 1.5, 40.0], [-1.6, -10.7, 40.0], [1.5, -3.4, 40.0], [-27.0, 6.3, 40.0], [-11.1, -3.2, 40.0], [-24.5, 11.4, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.4, 40.4, 41.0, 42.7, 41.1, 41.4, 40.2, 48.7, 41.6, 48.3] \/nStep 5, find the maximum distance to the drone: 48.7 \/nStep 6, identify the brand of this vehicle: roewe",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1519
+    },
+    {
+        "image":"ab5347e7-DJI_0426.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":3.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2037.4, 716.7], [2037.4, 716.7], [1430.6, 1390.6], [1122.9, 580.2], [1359.1, 1226.6], [1887.9, 384.0], [2104.4, 887.1], [128.3, 1560.9], [1230.4, 905.2], [303.1, 1917.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[0.5, -5.9, 40.0], [0.5, -5.9, 40.0], [-8.2, 3.8, 40.0], [-12.6, -7.9, 40.0], [-9.2, 1.5, 40.0], [-1.6, -10.7, 40.0], [1.5, -3.4, 40.0], [-27.0, 6.3, 40.0], [-11.1, -3.2, 40.0], [-24.5, 11.4, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [40.4, 40.4, 41.0, 42.7, 41.1, 41.4, 40.2, 48.7, 41.6, 48.3] \/nStep 5, find the maximum distance to the drone: 48.7 \/nStep 6, calculate the flight time of the drone: 48.7\/16=3.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1520
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new green car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'silver', 'gray', 'white', 'brown', 'yellow', 'red', 'white', 'silver', 'black'] \/nStep 2, there is no green car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1521
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1522
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 90. B) 30. C) 45. D) 70.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1523
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 11869. B) 6869. C) 1869. D) 2369.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1524
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":1510000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota vios', 'byd song plus', 'volkswagen lavida', 'skoda octavia', 'tesla model 3', 'nissan teana', 'audi q5 e-tron', 'volkswagen magotan', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, sum the price of each vehicle: 1510000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1525
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 5.0. B) 47.5. C) 4.7. D) 4.4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.8, 4.7, 4.8, 4.7, 4.9, 4.9, 5.0, 4.7] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1526
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"A) 151000. B) 150000. C) 152500. D) 45000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota vios', 'byd song plus', 'volkswagen lavida', 'skoda octavia', 'tesla model 3', 'nissan teana', 'audi q5 e-tron', 'volkswagen magotan', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, calculate the median price of all vehicles: 152500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1527
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 47.5. B) 4.4. C) 5.0. D) 4.7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.8, 4.7, 4.8, 4.7, 4.9, 4.9, 5.0, 4.7] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1528
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.8, 4.7, 4.8, 4.7, 4.9, 4.9, 5.0, 4.7] \nStep 5, find the minimum length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1529
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 15 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 10 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 15-10=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1530
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'subcompact', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'mid-size', 'compact'] \/nStep 2, count all suv vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1531
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"A) 10. B) 12. C) 11. D) 13.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['roewe erx5', 'toyota vios', 'byd song plus', 'volkswagen lavida', 'skoda octavia', 'tesla model 3', 'nissan teana', 'audi q5 e-tron', 'volkswagen magotan', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'tesla model 3': 285000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000} \nStep 3, count vehicles priced below 500000 RMB: 10",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1532
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'silver', 'gray', 'white', 'brown', 'yellow', 'red', 'white', 'silver', 'black'] \nStep 2, identify the type of black vehicles: ['suv', 'compact'] \nStep 3, count black mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1533
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[822.4, 1337.3], [2814.0, 616.2], [2054.4, 979.7], [2123.3, 1146.8], [2741.1, 443.1], [2590.6, 105.6], [1816.3, 320.9], [1935.7, 648.2], [995.7, 1696.2], [554.4, 542.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.0, 3.1, 40.0], [11.7, -7.3, 40.0], [0.8, -2.1, 40.0], [1.8, 0.3, 40.0], [10.7, -9.8, 40.0], [8.5, -14.7, 40.0], [-2.6, -11.6, 40.0], [-0.9, -6.9, 40.0], [-14.5, 8.2, 40.0], [-20.8, -8.4, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.6, 42.3, 40.1, 40.0, 42.6, 43.5, 41.7, 40.6, 43.3, 45.9] \/nStep 5, find the minimum distance to the drone: 40.0 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1534
+    },
+    {
+        "image":"879d2e7e-DJI_0428.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[822.4, 1337.3], [2814.0, 616.2], [2054.4, 979.7], [2123.3, 1146.8], [2741.1, 443.1], [2590.6, 105.6], [1816.3, 320.9], [1935.7, 648.2], [995.7, 1696.2], [554.4, 542.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-17.0, 3.1, 40.0], [11.7, -7.3, 40.0], [0.8, -2.1, 40.0], [1.8, 0.3, 40.0], [10.7, -9.8, 40.0], [8.5, -14.7, 40.0], [-2.6, -11.6, 40.0], [-0.9, -6.9, 40.0], [-14.5, 8.2, 40.0], [-20.8, -8.4, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [43.6, 42.3, 40.1, 40.0, 42.6, 43.5, 41.7, 40.6, 43.3, 45.9] \/nStep 5, find the minimum distance to the drone: 40.0 \/nStep 6, calculate the flight time of the drone: 40.0\/18=2.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":10,
+        "region":"image-level",
+        "qid":1535
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Rachel said she bought a new black car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'white', 'black', 'brown', 'black', 'white', 'black', 'black', 'white', 'white', 'red', 'red', 'red'] \/nStep 2, there is an black car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1536
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1537
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1538
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 17477. B) 7477. C) 8477. D) 12477.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1539
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":2290000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick verano', 'toyota levin', 'byd han', 'volkswagen sportsvan', 'bmw x1', 'mercedes-benz glc', 'toyota rav4', 'chevrolet malibu xl', 'byd qin', 'audi q3', 'audi q3', 'honda xr-v', 'buick gl8', 'skoda superb', 'skoda superb', 'skoda superb'] \nStep 2, query all vehicle prices: {'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000} \nStep 3, sum the price of each vehicle: 2290000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1540
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":910000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'white', 'black', 'brown', 'black', 'white', 'black', 'black', 'white', 'white', 'red', 'red', 'red'] \nStep 2, identify the model of black vehicles: ['mercedes-benz glc', 'chevrolet malibu xl', 'audi q3', 'audi q3'] \nStep 3, query vehicle prices: {'mercedes-benz glc': 335000, 'chevrolet malibu xl': 145000, 'audi q3': 215000} \nStep 4, sum the price of each black vehicle: 910000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1541
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 5.0, 4.4, 4.6, 4.8, 4.6, 4.9, 4.7, 4.5, 4.5, 4.4, 5.2, 4.8, 4.8, 4.8] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1542
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick verano', 'toyota levin', 'byd han', 'volkswagen sportsvan', 'bmw x1', 'mercedes-benz glc', 'toyota rav4', 'chevrolet malibu xl', 'byd qin', 'audi q3', 'audi q3', 'honda xr-v', 'buick gl8', 'skoda superb', 'skoda superb', 'skoda superb'] \nStep 2, query all vehicle prices: {'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000} \nStep 3, calculate the median price of all vehicles: 125000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1543
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"A) 143125. B) 335000. C) 25000. D) 910000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick verano', 'toyota levin', 'byd han', 'volkswagen sportsvan', 'bmw x1', 'mercedes-benz glc', 'toyota rav4', 'chevrolet malibu xl', 'byd qin', 'audi q3', 'audi q3', 'honda xr-v', 'buick gl8', 'skoda superb', 'skoda superb', 'skoda superb'] \nStep 2, query all vehicle prices: {'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000} \nStep 3, calculate the maximum price of all vehicles: 335000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1544
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick verano', 'toyota levin', 'byd han', 'volkswagen sportsvan', 'bmw x1', 'mercedes-benz glc', 'toyota rav4', 'chevrolet malibu xl', 'byd qin', 'audi q3', 'audi q3', 'honda xr-v', 'buick gl8', 'skoda superb', 'skoda superb', 'skoda superb'] \nStep 2, query all vehicle prices: {'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1545
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) yellow. B) golden. C) white. D) blue.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'white', 'black', 'brown', 'black', 'white', 'black', 'black', 'white', 'white', 'red', 'red', 'red'] \/nStep 2, count vehicles for each color: {'white': 7, 'gray': 1, 'black': 4, 'brown': 1, 'red': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1546
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'crossover', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mpv', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['gray', 'black', 'red', 'red', 'red'] \nStep 3, count mid-size vehicles for each color: {'gray': 1, 'black': 1, 'red': 3} \nStep 4, sort to get the most common color of mid-size vehicle: red",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1547
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 26 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 10. B) 7. C) 8. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 16 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 26-16=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1548
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'crossover', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mpv', 'mid-size', 'mid-size', 'mid-size'] \/nStep 2, count all mpv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1549
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick verano', 'toyota levin', 'byd han', 'volkswagen sportsvan', 'bmw x1', 'mercedes-benz glc', 'toyota rav4', 'chevrolet malibu xl', 'byd qin', 'audi q3', 'audi q3', 'honda xr-v', 'buick gl8', 'skoda superb', 'skoda superb', 'skoda superb'] \nStep 2, query all vehicle prices: {'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000} \nStep 3, count vehicles priced below 300000 RMB: 14",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1550
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many red suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 0. C) 1. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'gray', 'white', 'white', 'black', 'brown', 'black', 'white', 'black', 'black', 'white', 'white', 'red', 'red', 'red'] \nStep 2, identify the type of red vehicles: ['mid-size', 'mid-size', 'mid-size'] \nStep 3, count red suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1551
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"buick",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2118.8, 1270.7], [2578.3, 608.0], [1988.4, 1386.3], [2170.1, 1198.7], [2531.4, 677.0], [1933.9, 1463.2], [2056.0, 1329.6], [2637.5, 537.4], [2395.2, 901.9], [2343.0, 981.2], [2343.0, 981.2], [2241.8, 1120.6], [2814.2, 329.6], [2688.0, 460.4], [2688.0, 460.4], [2688.0, 460.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.4, 4.2, 80.0], [16.7, -14.9, 80.0], [-0.3, 7.5, 80.0], [4.9, 2.1, 80.0], [15.3, -12.9, 80.0], [-1.9, 9.8, 80.0], [1.6, 5.9, 80.0], [18.4, -16.9, 80.0], [11.4, -6.4, 80.0], [9.9, -4.1, 80.0], [9.9, -4.1, 80.0], [7.0, -0.1, 80.0], [23.5, -22.9, 80.0], [19.8, -19.2, 80.0], [19.8, -19.2, 80.0], [19.8, -19.2, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [80.2, 83.1, 80.4, 80.2, 82.5, 80.6, 80.2, 83.8, 81.1, 80.7, 80.7, 80.3, 86.5, 84.6, 84.6, 84.6] \/nStep 5, find the maximum distance to the drone: 86.5 \/nStep 6, identify the brand of this vehicle: buick",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1552
+    },
+    {
+        "image":"048d0995-DJI_0431.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2118.8, 1270.7], [2578.3, 608.0], [1988.4, 1386.3], [2170.1, 1198.7], [2531.4, 677.0], [1933.9, 1463.2], [2056.0, 1329.6], [2637.5, 537.4], [2395.2, 901.9], [2343.0, 981.2], [2343.0, 981.2], [2241.8, 1120.6], [2814.2, 329.6], [2688.0, 460.4], [2688.0, 460.4], [2688.0, 460.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.4, 4.2, 80.0], [16.7, -14.9, 80.0], [-0.3, 7.5, 80.0], [4.9, 2.1, 80.0], [15.3, -12.9, 80.0], [-1.9, 9.8, 80.0], [1.6, 5.9, 80.0], [18.4, -16.9, 80.0], [11.4, -6.4, 80.0], [9.9, -4.1, 80.0], [9.9, -4.1, 80.0], [7.0, -0.1, 80.0], [23.5, -22.9, 80.0], [19.8, -19.2, 80.0], [19.8, -19.2, 80.0], [19.8, -19.2, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [80.2, 83.1, 80.4, 80.2, 82.5, 80.6, 80.2, 83.8, 81.1, 80.7, 80.7, 80.3, 86.5, 84.6, 84.6, 84.6] \/nStep 5, find the maximum distance to the drone: 86.5 \/nStep 6, calculate the flight time of the drone: 86.5\/12=7.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":16,
+        "region":"image-level",
+        "qid":1553
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Rachel said she bought a new yellow car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'black', 'white', 'gray', 'red', 'white', 'white', 'white', 'black', 'purple', 'white', 'white', 'brown', 'black', 'pink', 'white', 'blue', 'gray', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'gray', 'white', 'black', 'black', 'black', 'red', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'red', 'silver', 'silver', 'white', 'white', 'white', 'blue', 'red', 'yellow', 'silver', 'black', 'white', 'silver', 'white', 'brown', 'red', 'white', 'white', 'gray', 'white', 'black', 'black', 'white', 'white', 'silver', 'black', 'black', 'white', 'white', 'blue', 'blue'] \/nStep 2, there is an yellow car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1554
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 120. B) 110. C) 80. D) 60.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1555
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1556
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 21823. B) 17323. C) 17823. D) 16823.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1557
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"A) 10890000. B) 3267. C) 2178. D) 544.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song pro', 'bmw x3', 'buick lacrosse', 'bmw 5 series', 'audi q5 e-tron', 'byd tang', 'volkswagen polo', 'audi a4l', 'skoda yeti', 'kia sportage', 'byd han', 'rising marvel r', 'ford focus', 'volkswagen lavida', 'kia sportage', 'tesla model 3', 'byd dolphin', 'byd tang', 'volkswagen id.4 x', 'byd dolphin', 'volvo s90', 'ford focus', 'volkswagen magotan', 'ford focus', 'ford focus', 'toyota levin', 'volkswagen polo', 'byd song plus', 'ford edge', 'chevrolet malibu xl', 'chevrolet malibu xl', 'roewe erx5', 'ford focus', 'cadillac srx', 'bmw x1', 'byd qin', 'byd qin', 'ford edge', 'tesla model 3', 'buick excelle', 'nissan teana', 'skoda octavia', 'lexus nx', 'peugeot 508l', 'kia k3', 'bmw x5', 'vgv u70', 'toyota yaris l', 'tesla model 3', 'volkswagen magotan', 'volkswagen tayron gte', 'byd qin', 'toyota rav4', 'buick gl8', 'skoda octavia', 'skoda superb', 'mazda axela', 'toyota c-hr', 'hyundai sonata', 'buick encore', 'audi q3', 'volkswagen lavida', 'volkswagen sagitar', 'ford focus', 'toyota vios', 'peugeot 408', 'peugeot 408', 'changan cs35', 'changan cs35', 'volkswagen bora', 'lexus es'] \nStep 2, query all vehicle prices: {'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000} \nStep 3, sum the price of each vehicle: 10890000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1558
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4.7. B) 333.2. C) 4. D) 5.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 5.0, 5.2, 4.9, 4.9, 4.1, 4.9, 4.3, 4.5, 5.0, 4.7, 4.7, 4.7, 4.5, 4.7, 4.1, 4.9, 4.6, 4.1, 5.1, 4.7, 5.0, 4.7, 4.7, 4.6, 4.1, 4.8, 5.0, 4.9, 4.9, 4.7, 4.7, 4.9, 4.6, 4.7, 4.7, 5.0, 4.7, 4.6, 4.9, 4.8, 4.7, 4.9, 4.7, 5.1, 4.8, 4.2, 4.7, 5.0, 4.6, 4.7, 4.6, 5.2, 4.8, 4.8, 4.7, 4.4, 4.9, 4.3, 4.5, 4.7, 4.8, 4.7, 4.4, 4.8, 4.8, 4.2, 4.2, 4.7, 5.0] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1559
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song pro', 'bmw x3', 'buick lacrosse', 'bmw 5 series', 'audi q5 e-tron', 'byd tang', 'volkswagen polo', 'audi a4l', 'skoda yeti', 'kia sportage', 'byd han', 'rising marvel r', 'ford focus', 'volkswagen lavida', 'kia sportage', 'tesla model 3', 'byd dolphin', 'byd tang', 'volkswagen id.4 x', 'byd dolphin', 'volvo s90', 'ford focus', 'volkswagen magotan', 'ford focus', 'ford focus', 'toyota levin', 'volkswagen polo', 'byd song plus', 'ford edge', 'chevrolet malibu xl', 'chevrolet malibu xl', 'roewe erx5', 'ford focus', 'cadillac srx', 'bmw x1', 'byd qin', 'byd qin', 'ford edge', 'tesla model 3', 'buick excelle', 'nissan teana', 'skoda octavia', 'lexus nx', 'peugeot 508l', 'kia k3', 'bmw x5', 'vgv u70', 'toyota yaris l', 'tesla model 3', 'volkswagen magotan', 'volkswagen tayron gte', 'byd qin', 'toyota rav4', 'buick gl8', 'skoda octavia', 'skoda superb', 'mazda axela', 'toyota c-hr', 'hyundai sonata', 'buick encore', 'audi q3', 'volkswagen lavida', 'volkswagen sagitar', 'ford focus', 'toyota vios', 'peugeot 408', 'peugeot 408', 'changan cs35', 'changan cs35', 'volkswagen bora', 'lexus es'] \nStep 2, query all vehicle prices: {'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000} \nStep 3, calculate the median price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1560
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 5.0, 5.2, 4.9, 4.9, 4.1, 4.9, 4.3, 4.5, 5.0, 4.7, 4.7, 4.7, 4.5, 4.7, 4.1, 4.9, 4.6, 4.1, 5.1, 4.7, 5.0, 4.7, 4.7, 4.6, 4.1, 4.8, 5.0, 4.9, 4.9, 4.7, 4.7, 4.9, 4.6, 4.7, 4.7, 5.0, 4.7, 4.6, 4.9, 4.8, 4.7, 4.9, 4.7, 5.1, 4.8, 4.2, 4.7, 5.0, 4.6, 4.7, 4.6, 5.2, 4.8, 4.8, 4.7, 4.4, 4.9, 4.3, 4.5, 4.7, 4.8, 4.7, 4.4, 4.8, 4.8, 4.2, 4.2, 4.7, 5.0] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1561
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"A) 25000. B) 115000. C) 153380. D) 115000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song pro', 'bmw x3', 'buick lacrosse', 'bmw 5 series', 'audi q5 e-tron', 'byd tang', 'volkswagen polo', 'audi a4l', 'skoda yeti', 'kia sportage', 'byd han', 'rising marvel r', 'ford focus', 'volkswagen lavida', 'kia sportage', 'tesla model 3', 'byd dolphin', 'byd tang', 'volkswagen id.4 x', 'byd dolphin', 'volvo s90', 'ford focus', 'volkswagen magotan', 'ford focus', 'ford focus', 'toyota levin', 'volkswagen polo', 'byd song plus', 'ford edge', 'chevrolet malibu xl', 'chevrolet malibu xl', 'roewe erx5', 'ford focus', 'cadillac srx', 'bmw x1', 'byd qin', 'byd qin', 'ford edge', 'tesla model 3', 'buick excelle', 'nissan teana', 'skoda octavia', 'lexus nx', 'peugeot 508l', 'kia k3', 'bmw x5', 'vgv u70', 'toyota yaris l', 'tesla model 3', 'volkswagen magotan', 'volkswagen tayron gte', 'byd qin', 'toyota rav4', 'buick gl8', 'skoda octavia', 'skoda superb', 'mazda axela', 'toyota c-hr', 'hyundai sonata', 'buick encore', 'audi q3', 'volkswagen lavida', 'volkswagen sagitar', 'ford focus', 'toyota vios', 'peugeot 408', 'peugeot 408', 'changan cs35', 'changan cs35', 'volkswagen bora', 'lexus es'] \nStep 2, query all vehicle prices: {'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1562
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) white. B) blue. C) silver. D) golden.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'black', 'white', 'gray', 'red', 'white', 'white', 'white', 'black', 'purple', 'white', 'white', 'brown', 'black', 'pink', 'white', 'blue', 'gray', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'gray', 'white', 'black', 'black', 'black', 'red', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'red', 'silver', 'silver', 'white', 'white', 'white', 'blue', 'red', 'yellow', 'silver', 'black', 'white', 'silver', 'white', 'brown', 'red', 'white', 'white', 'gray', 'white', 'black', 'black', 'white', 'white', 'silver', 'black', 'black', 'white', 'white', 'blue', 'blue'] \/nStep 2, count vehicles for each color: {'gray': 6, 'white': 30, 'black': 16, 'red': 5, 'purple': 1, 'brown': 2, 'pink': 1, 'blue': 4, 'silver': 5, 'yellow': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1563
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'mid-size', 'full-size', 'suv', 'suv', 'micro-size', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'subcompact', 'suv', 'suv', 'subcompact', 'full-size', 'compact', 'mid-size', 'compact', 'compact', 'compact', 'micro-size', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'mid-size', 'compact', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'compact', 'crossover', 'mpv', 'compact', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'compact', 'subcompact', 'compact', 'compact', 'suv', 'suv', 'compact', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['white', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'red', 'white', 'yellow', 'silver', 'red', 'gray', 'blue'] \nStep 3, count mid-size vehicles for each color: {'white': 3, 'black': 6, 'red': 2, 'yellow': 1, 'silver': 1, 'gray': 1, 'blue': 1} \nStep 4, sort to get the most common color of mid-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1564
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 81 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 71 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 81-71=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1565
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many purple vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'black', 'white', 'gray', 'red', 'white', 'white', 'white', 'black', 'purple', 'white', 'white', 'brown', 'black', 'pink', 'white', 'blue', 'gray', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'gray', 'white', 'black', 'black', 'black', 'red', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'red', 'silver', 'silver', 'white', 'white', 'white', 'blue', 'red', 'yellow', 'silver', 'black', 'white', 'silver', 'white', 'brown', 'red', 'white', 'white', 'gray', 'white', 'black', 'black', 'white', 'white', 'silver', 'black', 'black', 'white', 'white', 'blue', 'blue'] \/nStep 2, count all purple vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1566
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":41,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song pro', 'bmw x3', 'buick lacrosse', 'bmw 5 series', 'audi q5 e-tron', 'byd tang', 'volkswagen polo', 'audi a4l', 'skoda yeti', 'kia sportage', 'byd han', 'rising marvel r', 'ford focus', 'volkswagen lavida', 'kia sportage', 'tesla model 3', 'byd dolphin', 'byd tang', 'volkswagen id.4 x', 'byd dolphin', 'volvo s90', 'ford focus', 'volkswagen magotan', 'ford focus', 'ford focus', 'toyota levin', 'volkswagen polo', 'byd song plus', 'ford edge', 'chevrolet malibu xl', 'chevrolet malibu xl', 'roewe erx5', 'ford focus', 'cadillac srx', 'bmw x1', 'byd qin', 'byd qin', 'ford edge', 'tesla model 3', 'buick excelle', 'nissan teana', 'skoda octavia', 'lexus nx', 'peugeot 508l', 'kia k3', 'bmw x5', 'vgv u70', 'toyota yaris l', 'tesla model 3', 'volkswagen magotan', 'volkswagen tayron gte', 'byd qin', 'toyota rav4', 'buick gl8', 'skoda octavia', 'skoda superb', 'mazda axela', 'toyota c-hr', 'hyundai sonata', 'buick encore', 'audi q3', 'volkswagen lavida', 'volkswagen sagitar', 'ford focus', 'toyota vios', 'peugeot 408', 'peugeot 408', 'changan cs35', 'changan cs35', 'volkswagen bora', 'lexus es'] \nStep 2, query all vehicle prices: {'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'skoda octavia': 150000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'audi q3': 215000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000} \nStep 3, count vehicles priced above 100000 RMB: 41",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1567
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many red mpv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'black', 'white', 'gray', 'red', 'white', 'white', 'white', 'black', 'purple', 'white', 'white', 'brown', 'black', 'pink', 'white', 'blue', 'gray', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'gray', 'white', 'black', 'black', 'black', 'red', 'white', 'white', 'white', 'white', 'black', 'black', 'gray', 'red', 'silver', 'silver', 'white', 'white', 'white', 'blue', 'red', 'yellow', 'silver', 'black', 'white', 'silver', 'white', 'brown', 'red', 'white', 'white', 'gray', 'white', 'black', 'black', 'white', 'white', 'silver', 'black', 'black', 'white', 'white', 'blue', 'blue'] \nStep 2, identify the type of red vehicles: ['micro-size', 'compact', 'mid-size', 'suv', 'mid-size'] \nStep 3, count red mpv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1568
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"focus",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3035.8, 1073.5], [2927.2, 1021.8], [2132.4, 912.8], [1844.6, 960.9], [550.6, 908.1], [2699.7, 964.6], [2541.7, 929.2], [2980.1, 1049.4], [2821.7, 977.0], [2422.5, 902.5], [1791.0, 979.0], [2480.0, 930.7], [2107.8, 1137.2], [614.4, 1073.7], [1957.5, 941.1], [2875.3, 993.6], [2185.4, 927.0], [2359.8, 916.2], [2074.4, 927.9], [2246.2, 915.9], [2640.0, 953.3], [1676.8, 995.5], [2300.1, 922.8], [2611.5, 1234.5], [2611.5, 1234.5], [219.3, 1830.4], [2015.2, 932.1], [592.9, 1015.3], [3162.1, 1222.6], [251.6, 1786.0], [251.6, 1786.0], [181.4, 1118.1], [1901.5, 960.0], [2050.1, 716.3], [184.6, 1875.1], [2891.0, 1336.4], [2891.0, 1336.4], [407.2, 456.8], [1878.1, 1136.9], [3291.7, 1019.9], [518.3, 801.0], [38.0, 577.3], [1733.2, 988.9], [3460.4, 1644.9], [3397.1, 1250.1], [3020.7, 1398.5], [2353.4, 1163.8], [2767.5, 1283.6], [774.5, 740.3], [231.2, 1243.1], [1736.8, 1144.8], [141.0, 1924.1], [3254.7, 1707.2], [367.3, 1663.7], [820.7, 852.2], [288.4, 1742.3], [699.4, 550.0], [3382.3, 1196.3], [3200.2, 1347.6], [750.0, 668.2], [58.1, 2067.5], [103.0, 858.3], [3376.5, 1136.4], [3423.9, 1361.4], [841.8, 910.1], [3446.7, 1423.2], [3446.7, 1423.2], [583.5, 182.0], [583.5, 182.0], [2914.5, 1737.2], [2207.8, 664.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[44.8, -2.2, 120.0], [40.1, -4.5, 120.0], [5.7, -9.2, 120.0], [-6.7, -7.1, 120.0], [-62.7, -9.4, 120.0], [30.3, -6.9, 120.0], [23.4, -8.5, 120.0], [42.4, -3.3, 120.0], [35.5, -6.4, 120.0], [18.3, -9.6, 120.0], [-9.0, -6.3, 120.0], [20.8, -8.4, 120.0], [4.7, 0.5, 120.0], [-59.9, -2.2, 120.0], [-1.8, -8.0, 120.0], [37.9, -5.7, 120.0], [8.0, -8.6, 120.0], [15.6, -9.0, 120.0], [3.2, -8.5, 120.0], [10.6, -9.0, 120.0], [27.7, -7.4, 120.0], [-14.0, -5.6, 120.0], [13.0, -8.7, 120.0], [26.4, 4.7, 120.0], [26.4, 4.7, 120.0], [-77.0, 30.5, 120.0], [0.7, -8.3, 120.0], [-60.9, -4.7, 120.0], [50.3, 4.2, 120.0], [-75.6, 28.6, 120.0], [-75.6, 28.6, 120.0], [-78.7, -0.3, 120.0], [-4.3, -7.1, 120.0], [2.2, -17.7, 120.0], [-78.5, 32.4, 120.0], [38.5, 9.1, 120.0], [38.5, 9.1, 120.0], [-68.9, -28.9, 120.0], [-5.3, 0.5, 120.0], [55.9, -4.5, 120.0], [-64.1, -14.0, 120.0], [-84.9, -23.7, 120.0], [-11.5, -5.9, 120.0], [63.2, 22.5, 120.0], [60.4, 5.4, 120.0], [44.1, 11.8, 120.0], [15.3, 1.7, 120.0], [33.2, 6.9, 120.0], [-53.0, -16.6, 120.0], [-76.5, 5.1, 120.0], [-11.4, 0.9, 120.0], [-80.4, 34.6, 120.0], [54.3, 25.2, 120.0], [-70.6, 23.3, 120.0], [-51.0, -11.8, 120.0], [-74.0, 26.7, 120.0], [-56.3, -24.9, 120.0], [59.8, 3.1, 120.0], [51.9, 9.6, 120.0], [-54.1, -19.8, 120.0], [-84.0, 40.8, 120.0], [-82.0, -11.5, 120.0], [59.5, 0.5, 120.0], [61.6, 10.2, 120.0], [-50.1, -9.3, 120.0], [62.6, 12.9, 120.0], [62.6, 12.9, 120.0], [-61.3, -40.8, 120.0], [-61.3, -40.8, 120.0], [39.6, 26.5, 120.0], [9.0, -19.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.1, 126.6, 120.5, 120.4, 135.7, 124.0, 122.6, 127.3, 125.3, 121.8, 120.5, 122.1, 120.1, 134.1, 120.3, 126.0, 120.6, 121.3, 120.3, 120.8, 123.4, 120.9, 121.0, 123.0, 123.0, 145.8, 120.3, 134.6, 130.2, 144.7, 144.7, 143.5, 120.3, 121.3, 147.0, 126.4, 126.4, 141.4, 120.1, 132.4, 136.8, 148.9, 120.7, 137.5, 134.5, 128.4, 121.0, 124.7, 132.2, 142.4, 120.5, 148.5, 134.1, 141.2, 130.9, 143.5, 134.8, 134.1, 131.1, 133.1, 152.0, 145.8, 134.0, 135.3, 130.4, 135.9, 135.9, 140.8, 140.8, 129.1, 122.0] \/nStep 5, find the minimum distance to the drone: 120.1 \/nStep 6, identify the model of this vehicle: focus",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1569
+    },
+    {
+        "image":"89a9f4b9-DJI_0435.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":12.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3035.8, 1073.5], [2927.2, 1021.8], [2132.4, 912.8], [1844.6, 960.9], [550.6, 908.1], [2699.7, 964.6], [2541.7, 929.2], [2980.1, 1049.4], [2821.7, 977.0], [2422.5, 902.5], [1791.0, 979.0], [2480.0, 930.7], [2107.8, 1137.2], [614.4, 1073.7], [1957.5, 941.1], [2875.3, 993.6], [2185.4, 927.0], [2359.8, 916.2], [2074.4, 927.9], [2246.2, 915.9], [2640.0, 953.3], [1676.8, 995.5], [2300.1, 922.8], [2611.5, 1234.5], [2611.5, 1234.5], [219.3, 1830.4], [2015.2, 932.1], [592.9, 1015.3], [3162.1, 1222.6], [251.6, 1786.0], [251.6, 1786.0], [181.4, 1118.1], [1901.5, 960.0], [2050.1, 716.3], [184.6, 1875.1], [2891.0, 1336.4], [2891.0, 1336.4], [407.2, 456.8], [1878.1, 1136.9], [3291.7, 1019.9], [518.3, 801.0], [38.0, 577.3], [1733.2, 988.9], [3460.4, 1644.9], [3397.1, 1250.1], [3020.7, 1398.5], [2353.4, 1163.8], [2767.5, 1283.6], [774.5, 740.3], [231.2, 1243.1], [1736.8, 1144.8], [141.0, 1924.1], [3254.7, 1707.2], [367.3, 1663.7], [820.7, 852.2], [288.4, 1742.3], [699.4, 550.0], [3382.3, 1196.3], [3200.2, 1347.6], [750.0, 668.2], [58.1, 2067.5], [103.0, 858.3], [3376.5, 1136.4], [3423.9, 1361.4], [841.8, 910.1], [3446.7, 1423.2], [3446.7, 1423.2], [583.5, 182.0], [583.5, 182.0], [2914.5, 1737.2], [2207.8, 664.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[44.8, -2.2, 120.0], [40.1, -4.5, 120.0], [5.7, -9.2, 120.0], [-6.7, -7.1, 120.0], [-62.7, -9.4, 120.0], [30.3, -6.9, 120.0], [23.4, -8.5, 120.0], [42.4, -3.3, 120.0], [35.5, -6.4, 120.0], [18.3, -9.6, 120.0], [-9.0, -6.3, 120.0], [20.8, -8.4, 120.0], [4.7, 0.5, 120.0], [-59.9, -2.2, 120.0], [-1.8, -8.0, 120.0], [37.9, -5.7, 120.0], [8.0, -8.6, 120.0], [15.6, -9.0, 120.0], [3.2, -8.5, 120.0], [10.6, -9.0, 120.0], [27.7, -7.4, 120.0], [-14.0, -5.6, 120.0], [13.0, -8.7, 120.0], [26.4, 4.7, 120.0], [26.4, 4.7, 120.0], [-77.0, 30.5, 120.0], [0.7, -8.3, 120.0], [-60.9, -4.7, 120.0], [50.3, 4.2, 120.0], [-75.6, 28.6, 120.0], [-75.6, 28.6, 120.0], [-78.7, -0.3, 120.0], [-4.3, -7.1, 120.0], [2.2, -17.7, 120.0], [-78.5, 32.4, 120.0], [38.5, 9.1, 120.0], [38.5, 9.1, 120.0], [-68.9, -28.9, 120.0], [-5.3, 0.5, 120.0], [55.9, -4.5, 120.0], [-64.1, -14.0, 120.0], [-84.9, -23.7, 120.0], [-11.5, -5.9, 120.0], [63.2, 22.5, 120.0], [60.4, 5.4, 120.0], [44.1, 11.8, 120.0], [15.3, 1.7, 120.0], [33.2, 6.9, 120.0], [-53.0, -16.6, 120.0], [-76.5, 5.1, 120.0], [-11.4, 0.9, 120.0], [-80.4, 34.6, 120.0], [54.3, 25.2, 120.0], [-70.6, 23.3, 120.0], [-51.0, -11.8, 120.0], [-74.0, 26.7, 120.0], [-56.3, -24.9, 120.0], [59.8, 3.1, 120.0], [51.9, 9.6, 120.0], [-54.1, -19.8, 120.0], [-84.0, 40.8, 120.0], [-82.0, -11.5, 120.0], [59.5, 0.5, 120.0], [61.6, 10.2, 120.0], [-50.1, -9.3, 120.0], [62.6, 12.9, 120.0], [62.6, 12.9, 120.0], [-61.3, -40.8, 120.0], [-61.3, -40.8, 120.0], [39.6, 26.5, 120.0], [9.0, -19.9, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [128.1, 126.6, 120.5, 120.4, 135.7, 124.0, 122.6, 127.3, 125.3, 121.8, 120.5, 122.1, 120.1, 134.1, 120.3, 126.0, 120.6, 121.3, 120.3, 120.8, 123.4, 120.9, 121.0, 123.0, 123.0, 145.8, 120.3, 134.6, 130.2, 144.7, 144.7, 143.5, 120.3, 121.3, 147.0, 126.4, 126.4, 141.4, 120.1, 132.4, 136.8, 148.9, 120.7, 137.5, 134.5, 128.4, 121.0, 124.7, 132.2, 142.4, 120.5, 148.5, 134.1, 141.2, 130.9, 143.5, 134.8, 134.1, 131.1, 133.1, 152.0, 145.8, 134.0, 135.3, 130.4, 135.9, 135.9, 140.8, 140.8, 129.1, 122.0] \/nStep 5, find the minimum distance to the drone: 120.1 \/nStep 6, calculate the flight time of the drone: 120.1\/10=12.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":71,
+        "region":"image-level",
+        "qid":1570
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'purple', 'red', 'white', 'black', 'white', 'red', 'white', 'brown', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'white', 'gray', 'gray', 'gray', 'pink', 'white', 'white', 'gray', 'brown', 'black', 'white', 'white', 'black', 'silver', 'white', 'black', 'blue', 'black', 'white', 'white', 'black', 'brown', 'silver', 'white', 'silver', 'white', 'black', 'white', 'black', 'black', 'blue', 'black', 'red', 'black', 'white', 'red', 'yellow', 'white', 'white', 'black', 'silver', 'black', 'red', 'red', 'white', 'blue', 'blue', 'white'] \/nStep 2, there is no orange car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1571
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"120",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1572
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"A) 60. B) 70. C) 30. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1573
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 16823. B) 17823. C) 17323. D) 21823.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1574
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":10350000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd tang', 'rising marvel r', 'ford focus', 'buick verano', 'volvo s90', 'volkswagen lavida', 'volkswagen polo', 'kia sportage', 'toyota rav4', 'bmw x1', 'bmw x1', 'volkswagen magotan', 'buick lacrosse', 'volkswagen sportsvan', 'bmw 5 series', 'toyota levin', 'volkswagen polo', 'byd dolphin', 'byd song plus', 'byd song plus', 'byd dolphin', 'honda xr-v', 'byd qin', 'byd han', 'kia sportage', 'roewe erx5', 'mazda axela', 'mazda axela', 'chevrolet malibu xl', 'lexus nx', 'cadillac srx', 'byd han', 'volkswagen id.4 x', 'ford focus', 'audi q5 e-tron', 'skoda yeti', 'ford edge', 'skoda octavia', 'toyota vios', 'ford focus', 'skoda octavia', 'ford focus', 'volkswagen tayron gte', 'buick gl8', 'tesla model 3', 'tesla model 3', 'vgv u70', 'mercedes-benz glc', 'nissan teana', 'tesla model 3', 'buick encore', 'toyota yaris l', 'tesla model 3', 'byd qin', 'byd qin', 'audi q3', 'volkswagen magotan', 'volkswagen lavida', 'skoda superb', 'skoda superb', 'bmw x3', 'lexus es', 'lexus es', 'changan cs35'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000} \nStep 3, sum the price of each vehicle: 10350000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1575
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000}",
+        "choices":"A) 145000. B) 159230. C) 425000. D) 115000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd tang', 'rising marvel r', 'ford focus', 'buick verano', 'volvo s90', 'volkswagen lavida', 'volkswagen polo', 'kia sportage', 'toyota rav4', 'bmw x1', 'bmw x1', 'volkswagen magotan', 'buick lacrosse', 'volkswagen sportsvan', 'bmw 5 series', 'toyota levin', 'volkswagen polo', 'byd dolphin', 'byd song plus', 'byd song plus', 'byd dolphin', 'honda xr-v', 'byd qin', 'byd han', 'kia sportage', 'roewe erx5', 'mazda axela', 'mazda axela', 'chevrolet malibu xl', 'lexus nx', 'cadillac srx', 'byd han', 'volkswagen id.4 x', 'ford focus', 'audi q5 e-tron', 'skoda yeti', 'ford edge', 'skoda octavia', 'toyota vios', 'ford focus', 'skoda octavia', 'ford focus', 'volkswagen tayron gte', 'buick gl8', 'tesla model 3', 'tesla model 3', 'vgv u70', 'mercedes-benz glc', 'nissan teana', 'tesla model 3', 'buick encore', 'toyota yaris l', 'tesla model 3', 'byd qin', 'byd qin', 'audi q3', 'volkswagen magotan', 'volkswagen lavida', 'skoda superb', 'skoda superb', 'bmw x3', 'lexus es', 'lexus es', 'changan cs35'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000} \nStep 3, calculate the average price of all vehicles: 159230",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1576
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 4.1. B) 304.6. C) 4. D) 4.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.7, 4.7, 5.1, 4.7, 4.1, 4.5, 4.6, 4.6, 4.6, 5.0, 5.0, 4.4, 5.2, 4.6, 4.1, 4.1, 4.8, 4.8, 4.1, 4.4, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.9, 4.7, 4.9, 5.0, 4.6, 4.7, 4.9, 4.3, 5.0, 4.8, 4.4, 4.7, 4.8, 4.7, 4.6, 5.2, 4.7, 4.7, 4.8, 4.8, 4.9, 4.7, 4.3, 4.2, 4.7, 4.7, 4.7, 4.5, 5.0, 4.7, 4.8, 4.8, 4.7, 5.0, 5.0, 4.2] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1577
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.7, 4.7, 5.1, 4.7, 4.1, 4.5, 4.6, 4.6, 4.6, 5.0, 5.0, 4.4, 5.2, 4.6, 4.1, 4.1, 4.8, 4.8, 4.1, 4.4, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.9, 4.7, 4.9, 5.0, 4.6, 4.7, 4.9, 4.3, 5.0, 4.8, 4.4, 4.7, 4.8, 4.7, 4.6, 5.2, 4.7, 4.7, 4.8, 4.8, 4.9, 4.7, 4.3, 4.2, 4.7, 4.7, 4.7, 4.5, 5.0, 4.7, 4.8, 4.8, 4.7, 5.0, 5.0, 4.2] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1578
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 4.9, 4.7, 4.7, 4.7, 5.1, 4.7, 4.1, 4.5, 4.6, 4.6, 4.6, 5.0, 5.0, 4.4, 5.2, 4.6, 4.1, 4.1, 4.8, 4.8, 4.1, 4.4, 4.7, 5.0, 4.5, 4.7, 4.7, 4.7, 4.9, 4.7, 4.9, 5.0, 4.6, 4.7, 4.9, 4.3, 5.0, 4.8, 4.4, 4.7, 4.8, 4.7, 4.6, 5.2, 4.7, 4.7, 4.8, 4.8, 4.9, 4.7, 4.3, 4.2, 4.7, 4.7, 4.7, 4.5, 5.0, 4.7, 4.8, 4.8, 4.7, 5.0, 5.0, 4.2] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1579
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'purple', 'red', 'white', 'black', 'white', 'red', 'white', 'brown', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'white', 'gray', 'gray', 'gray', 'pink', 'white', 'white', 'gray', 'brown', 'black', 'white', 'white', 'black', 'silver', 'white', 'black', 'blue', 'black', 'white', 'white', 'black', 'brown', 'silver', 'white', 'silver', 'white', 'black', 'white', 'black', 'black', 'blue', 'black', 'red', 'black', 'white', 'red', 'yellow', 'white', 'white', 'black', 'silver', 'black', 'red', 'red', 'white', 'blue', 'blue', 'white'] \/nStep 2, count vehicles for each color: {'gray': 5, 'white': 25, 'purple': 1, 'red': 6, 'black': 15, 'brown': 3, 'pink': 1, 'silver': 4, 'blue': 4, 'yellow': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1580
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'suv', 'compact', 'compact', 'full-size', 'compact', 'micro-size', 'suv', 'crossover', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'full-size', 'compact', 'micro-size', 'subcompact', 'suv', 'suv', 'subcompact', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'compact', 'compact', 'mid-size', 'suv', 'suv', 'mid-size', 'suv', 'compact', 'suv', 'suv', 'suv', 'compact', 'subcompact', 'compact', 'compact', 'compact', 'suv', 'mpv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'mid-size', 'suv', 'suv', 'mid-size', 'compact', 'compact', 'suv', 'mid-size', 'compact', 'mid-size', 'mid-size', 'suv', 'mid-size', 'mid-size', 'suv'] \nStep 2, identify the color of mid-size vehicles: ['black', 'white', 'gray', 'black', 'black', 'black', 'black', 'red', 'black', 'yellow', 'silver', 'red', 'red', 'blue', 'blue'] \nStep 3, count mid-size vehicles for each color: {'black': 6, 'white': 1, 'gray': 1, 'red': 3, 'yellow': 1, 'silver': 1, 'blue': 2} \nStep 4, sort to get the most common color of mid-size vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1581
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 55 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 9. B) 6. C) 10. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 65 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 65-55=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1582
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many red vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'purple', 'red', 'white', 'black', 'white', 'red', 'white', 'brown', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'white', 'gray', 'gray', 'gray', 'pink', 'white', 'white', 'gray', 'brown', 'black', 'white', 'white', 'black', 'silver', 'white', 'black', 'blue', 'black', 'white', 'white', 'black', 'brown', 'silver', 'white', 'silver', 'white', 'black', 'white', 'black', 'black', 'blue', 'black', 'red', 'black', 'white', 'red', 'yellow', 'white', 'white', 'black', 'silver', 'black', 'red', 'red', 'white', 'blue', 'blue', 'white'] \/nStep 2, count all red vehicles: 6",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1583
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd tang', 'byd tang', 'rising marvel r', 'ford focus', 'buick verano', 'volvo s90', 'volkswagen lavida', 'volkswagen polo', 'kia sportage', 'toyota rav4', 'bmw x1', 'bmw x1', 'volkswagen magotan', 'buick lacrosse', 'volkswagen sportsvan', 'bmw 5 series', 'toyota levin', 'volkswagen polo', 'byd dolphin', 'byd song plus', 'byd song plus', 'byd dolphin', 'honda xr-v', 'byd qin', 'byd han', 'kia sportage', 'roewe erx5', 'mazda axela', 'mazda axela', 'chevrolet malibu xl', 'lexus nx', 'cadillac srx', 'byd han', 'volkswagen id.4 x', 'ford focus', 'audi q5 e-tron', 'skoda yeti', 'ford edge', 'skoda octavia', 'toyota vios', 'ford focus', 'skoda octavia', 'ford focus', 'volkswagen tayron gte', 'buick gl8', 'tesla model 3', 'tesla model 3', 'vgv u70', 'mercedes-benz glc', 'nissan teana', 'tesla model 3', 'buick encore', 'toyota yaris l', 'tesla model 3', 'byd qin', 'byd qin', 'audi q3', 'volkswagen magotan', 'volkswagen lavida', 'skoda superb', 'skoda superb', 'bmw x3', 'lexus es', 'lexus es', 'changan cs35'] \nStep 2, query all vehicle prices: {'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'mercedes-benz glc': 335000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'bmw x3': 340000, 'lexus es': 340000, 'changan cs35': 30000} \nStep 3, count vehicles priced above 300000 RMB: 9",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1584
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many pink suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'purple', 'red', 'white', 'black', 'white', 'red', 'white', 'brown', 'white', 'white', 'black', 'white', 'white', 'black', 'white', 'white', 'gray', 'gray', 'gray', 'pink', 'white', 'white', 'gray', 'brown', 'black', 'white', 'white', 'black', 'silver', 'white', 'black', 'blue', 'black', 'white', 'white', 'black', 'brown', 'silver', 'white', 'silver', 'white', 'black', 'white', 'black', 'black', 'blue', 'black', 'red', 'black', 'white', 'red', 'yellow', 'white', 'white', 'black', 'silver', 'black', 'red', 'red', 'white', 'blue', 'blue', 'white'] \nStep 2, identify the type of pink vehicles: ['subcompact'] \nStep 3, count pink suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1585
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) full-size. B) suv. C) compact. D) sedan.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3754.7, 752.5], [3408.0, 703.4], [3530.0, 716.9], [2935.9, 755.5], [930.0, 2067.8], [3692.7, 740.8], [1647.1, 884.5], [3592.3, 716.9], [3470.3, 695.1], [883.4, 2109.6], [1216.3, 1689.9], [1216.3, 1689.9], [3346.4, 709.9], [3170.9, 705.9], [969.2, 2022.9], [2876.6, 755.7], [1250.2, 1643.5], [3051.0, 724.2], [3291.2, 706.5], [1625.9, 826.7], [1625.9, 826.7], [3228.3, 719.1], [1016.1, 1972.2], [1172.2, 1736.8], [837.1, 2144.1], [2994.8, 733.8], [1215.6, 928.1], [1750.2, 352.3], [1750.2, 352.3], [1289.0, 1600.4], [2763.0, 785.6], [3087.7, 504.3], [2820.5, 771.5], [3113.3, 719.3], [2704.5, 796.2], [1586.4, 716.8], [3875.5, 764.7], [1446.6, 266.1], [1856.4, 660.7], [1877.6, 718.1], [3664.0, 1027.2], [1073.9, 387.9], [3143.5, 932.2], [2761.2, 945.4], [1408.5, 1474.2], [3928.3, 781.4], [3928.3, 781.4], [3396.9, 956.9], [796.6, 2192.7], [1552.6, 613.2], [2907.9, 934.8], [1782.4, 477.4], [3820.2, 1074.6], [1806.7, 550.4], [3941.3, 1127.1], [3941.3, 1127.1], [1089.9, 1883.1], [1268.3, 1053.6], [1136.9, 667.8], [1327.3, 1557.5], [1327.3, 1557.5], [3979.6, 811.3], [3261.2, 452.4], [3261.2, 452.4], [1618.8, 4.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[75.9, -16.1, 120.0], [60.9, -18.2, 120.0], [66.2, -17.7, 120.0], [40.5, -16.0, 120.0], [-46.3, 40.8, 120.0], [73.2, -16.6, 120.0], [-15.3, -10.4, 120.0], [68.9, -17.7, 120.0], [63.6, -18.6, 120.0], [-48.3, 42.6, 120.0], [-33.9, 24.4, 120.0], [-33.9, 24.4, 120.0], [58.2, -18.0, 120.0], [50.6, -18.1, 120.0], [-44.6, 38.8, 120.0], [37.9, -16.0, 120.0], [-32.4, 22.4, 120.0], [45.5, -17.3, 120.0], [55.8, -18.1, 120.0], [-16.2, -12.9, 120.0], [-16.2, -12.9, 120.0], [53.1, -17.6, 120.0], [-42.6, 36.6, 120.0], [-35.8, 26.5, 120.0], [-50.3, 44.1, 120.0], [43.0, -16.9, 120.0], [-33.9, -8.5, 120.0], [-10.8, -33.4, 120.0], [-10.8, -33.4, 120.0], [-30.8, 20.6, 120.0], [33.0, -14.7, 120.0], [47.0, -26.8, 120.0], [35.5, -15.3, 120.0], [48.2, -17.5, 120.0], [30.5, -14.2, 120.0], [-17.9, -17.7, 120.0], [81.1, -15.6, 120.0], [-23.9, -37.1, 120.0], [-6.2, -20.1, 120.0], [-5.3, -17.6, 120.0], [72.0, -4.2, 120.0], [-40.1, -31.9, 120.0], [49.5, -8.3, 120.0], [32.9, -7.8, 120.0], [-25.6, 15.1, 120.0], [83.4, -14.9, 120.0], [83.4, -14.9, 120.0], [60.4, -7.3, 120.0], [-52.0, 46.2, 120.0], [-19.4, -22.1, 120.0], [39.3, -8.2, 120.0], [-9.4, -28.0, 120.0], [78.7, -2.2, 120.0], [-8.4, -24.9, 120.0], [84.0, 0.1, 120.0], [84.0, 0.1, 120.0], [-39.4, 32.8, 120.0], [-31.6, -3.1, 120.0], [-37.3, -19.8, 120.0], [-29.1, 18.7, 120.0], [-29.1, 18.7, 120.0], [85.6, -13.6, 120.0], [54.5, -29.1, 120.0], [54.5, -29.1, 120.0], [-16.5, -48.5, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [142.9, 135.8, 138.2, 127.6, 134.9, 141.5, 121.4, 139.5, 137.1, 136.2, 127.1, 127.1, 134.6, 131.5, 133.8, 126.9, 126.3, 129.5, 133.6, 121.8, 121.8, 132.4, 132.5, 128.0, 137.4, 128.6, 125.0, 125.0, 125.0, 125.6, 125.3, 131.7, 126.1, 130.5, 124.6, 122.6, 145.7, 127.9, 121.8, 121.4, 140.0, 130.5, 130.1, 124.7, 123.6, 146.9, 146.9, 134.5, 138.7, 123.5, 126.5, 123.6, 143.5, 122.8, 146.5, 146.5, 130.5, 124.1, 127.2, 124.9, 124.9, 148.0, 135.0, 135.0, 130.5] \/nStep 5, find the minimum distance to the drone: 121.4 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1586
+    },
+    {
+        "image":"543c64d1-DJI_0436.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":10.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3754.7, 752.5], [3408.0, 703.4], [3530.0, 716.9], [2935.9, 755.5], [930.0, 2067.8], [3692.7, 740.8], [1647.1, 884.5], [3592.3, 716.9], [3470.3, 695.1], [883.4, 2109.6], [1216.3, 1689.9], [1216.3, 1689.9], [3346.4, 709.9], [3170.9, 705.9], [969.2, 2022.9], [2876.6, 755.7], [1250.2, 1643.5], [3051.0, 724.2], [3291.2, 706.5], [1625.9, 826.7], [1625.9, 826.7], [3228.3, 719.1], [1016.1, 1972.2], [1172.2, 1736.8], [837.1, 2144.1], [2994.8, 733.8], [1215.6, 928.1], [1750.2, 352.3], [1750.2, 352.3], [1289.0, 1600.4], [2763.0, 785.6], [3087.7, 504.3], [2820.5, 771.5], [3113.3, 719.3], [2704.5, 796.2], [1586.4, 716.8], [3875.5, 764.7], [1446.6, 266.1], [1856.4, 660.7], [1877.6, 718.1], [3664.0, 1027.2], [1073.9, 387.9], [3143.5, 932.2], [2761.2, 945.4], [1408.5, 1474.2], [3928.3, 781.4], [3928.3, 781.4], [3396.9, 956.9], [796.6, 2192.7], [1552.6, 613.2], [2907.9, 934.8], [1782.4, 477.4], [3820.2, 1074.6], [1806.7, 550.4], [3941.3, 1127.1], [3941.3, 1127.1], [1089.9, 1883.1], [1268.3, 1053.6], [1136.9, 667.8], [1327.3, 1557.5], [1327.3, 1557.5], [3979.6, 811.3], [3261.2, 452.4], [3261.2, 452.4], [1618.8, 4.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[75.9, -16.1, 120.0], [60.9, -18.2, 120.0], [66.2, -17.7, 120.0], [40.5, -16.0, 120.0], [-46.3, 40.8, 120.0], [73.2, -16.6, 120.0], [-15.3, -10.4, 120.0], [68.9, -17.7, 120.0], [63.6, -18.6, 120.0], [-48.3, 42.6, 120.0], [-33.9, 24.4, 120.0], [-33.9, 24.4, 120.0], [58.2, -18.0, 120.0], [50.6, -18.1, 120.0], [-44.6, 38.8, 120.0], [37.9, -16.0, 120.0], [-32.4, 22.4, 120.0], [45.5, -17.3, 120.0], [55.8, -18.1, 120.0], [-16.2, -12.9, 120.0], [-16.2, -12.9, 120.0], [53.1, -17.6, 120.0], [-42.6, 36.6, 120.0], [-35.8, 26.5, 120.0], [-50.3, 44.1, 120.0], [43.0, -16.9, 120.0], [-33.9, -8.5, 120.0], [-10.8, -33.4, 120.0], [-10.8, -33.4, 120.0], [-30.8, 20.6, 120.0], [33.0, -14.7, 120.0], [47.0, -26.8, 120.0], [35.5, -15.3, 120.0], [48.2, -17.5, 120.0], [30.5, -14.2, 120.0], [-17.9, -17.7, 120.0], [81.1, -15.6, 120.0], [-23.9, -37.1, 120.0], [-6.2, -20.1, 120.0], [-5.3, -17.6, 120.0], [72.0, -4.2, 120.0], [-40.1, -31.9, 120.0], [49.5, -8.3, 120.0], [32.9, -7.8, 120.0], [-25.6, 15.1, 120.0], [83.4, -14.9, 120.0], [83.4, -14.9, 120.0], [60.4, -7.3, 120.0], [-52.0, 46.2, 120.0], [-19.4, -22.1, 120.0], [39.3, -8.2, 120.0], [-9.4, -28.0, 120.0], [78.7, -2.2, 120.0], [-8.4, -24.9, 120.0], [84.0, 0.1, 120.0], [84.0, 0.1, 120.0], [-39.4, 32.8, 120.0], [-31.6, -3.1, 120.0], [-37.3, -19.8, 120.0], [-29.1, 18.7, 120.0], [-29.1, 18.7, 120.0], [85.6, -13.6, 120.0], [54.5, -29.1, 120.0], [54.5, -29.1, 120.0], [-16.5, -48.5, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [142.9, 135.8, 138.2, 127.6, 134.9, 141.5, 121.4, 139.5, 137.1, 136.2, 127.1, 127.1, 134.6, 131.5, 133.8, 126.9, 126.3, 129.5, 133.6, 121.8, 121.8, 132.4, 132.5, 128.0, 137.4, 128.6, 125.0, 125.0, 125.0, 125.6, 125.3, 131.7, 126.1, 130.5, 124.6, 122.6, 145.7, 127.9, 121.8, 121.4, 140.0, 130.5, 130.1, 124.7, 123.6, 146.9, 146.9, 134.5, 138.7, 123.5, 126.5, 123.6, 143.5, 122.8, 146.5, 146.5, 130.5, 124.1, 127.2, 124.9, 124.9, 148.0, 135.0, 135.0, 130.5] \/nStep 5, find the minimum distance to the drone: 121.4 \/nStep 6, calculate the flight time of the drone: 121.4\/12=10.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":65,
+        "region":"image-level",
+        "qid":1587
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Monica said she bought a new golden car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'black', 'gray', 'black', 'white', 'white', 'pink', 'silver', 'white', 'black', 'brown', 'purple', 'black', 'white', 'black', 'gray', 'black', 'silver', 'yellow', 'silver', 'white', 'silver', 'red', 'gray', 'white', 'blue', 'red', 'red', 'white', 'blue', 'blue', 'blue', 'brown', 'black', 'black', 'white', 'black', 'black', 'blue', 'white'] \/nStep 2, there is no golden car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1588
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"100",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1589
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1590
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 20637. B) 20137. C) 21137. D) 22137.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1591
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"A) 220. B) 1325. C) 6625000. D) 331.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, sum the price of each vehicle: 6625000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1592
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"A) 70000. B) 165000. C) 55000. D) 290000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'black', 'gray', 'black', 'white', 'white', 'pink', 'silver', 'white', 'black', 'brown', 'purple', 'black', 'white', 'black', 'gray', 'black', 'silver', 'yellow', 'silver', 'white', 'silver', 'red', 'gray', 'white', 'blue', 'red', 'red', 'white', 'blue', 'blue', 'blue', 'brown', 'black', 'black', 'white', 'black', 'black', 'blue', 'white'] \nStep 2, identify the model of red vehicles: ['nissan teana', 'ford focus', 'volkswagen polo'] \nStep 3, query vehicle prices: {'nissan teana': 165000, 'ford focus': 55000, 'volkswagen polo': 70000} \nStep 4, sum the price of each red vehicle: 290000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1593
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"A) 154069. B) 30000. C) 425000. D) 290000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, calculate the average price of all vehicles: 154069",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1594
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, calculate the median price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1595
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"",
+        "answer":425000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, calculate the maximum price of all vehicles: 425000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1596
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"A) 154069. B) 30000. C) 425000. D) 290000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1597
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'black', 'gray', 'black', 'white', 'white', 'pink', 'silver', 'white', 'black', 'brown', 'purple', 'black', 'white', 'black', 'gray', 'black', 'silver', 'yellow', 'silver', 'white', 'silver', 'red', 'gray', 'white', 'blue', 'red', 'red', 'white', 'blue', 'blue', 'blue', 'brown', 'black', 'black', 'white', 'black', 'black', 'blue', 'white'] \/nStep 2, count vehicles for each color: {'white': 13, 'black': 10, 'gray': 3, 'pink': 1, 'silver': 4, 'brown': 2, 'purple': 1, 'yellow': 1, 'red': 3, 'blue': 5}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1598
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 51 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 2. C) 1. D) 8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 43 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 51-43=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1599
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'subcompact', 'compact', 'micro-size', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'full-size', 'suv', 'mid-size', 'subcompact', 'compact', 'mid-size', 'mid-size', 'subcompact', 'suv', 'suv', 'compact', 'micro-size', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'compact', 'full-size', 'suv', 'compact', 'mid-size', 'mid-size', 'suv'] \/nStep 2, count all full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1600
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000}",
+        "choices":"",
+        "answer":43,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'byd tang', 'mazda axela', 'audi q5 e-tron', 'roewe erx5', 'byd song plus', 'volkswagen tayron gte', 'kia sportage', 'cadillac srx', 'byd dolphin', 'skoda octavia', 'volkswagen polo', 'tesla model 3', 'skoda octavia', 'rising marvel r', 'ford edge', 'ford focus', 'volkswagen magotan', 'byd tang', 'volvo s90', 'lexus nx', 'tesla model 3', 'toyota vios', 'ford focus', 'volkswagen magotan', 'nissan teana', 'byd dolphin', 'buick encore', 'volkswagen id.4 x', 'ford focus', 'volkswagen polo', 'buick lacrosse', 'vgv u70', 'vgv u70', 'vgv u70', 'kia sportage', 'ford focus', 'bmw 5 series', 'changan cs35', 'volkswagen lavida', 'byd han', 'lexus es', 'skoda yeti'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000, 'skoda yeti': 55000} \nStep 3, count vehicles priced below 500000 RMB: 43",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1601
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many pink micro-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'black', 'gray', 'black', 'white', 'white', 'pink', 'silver', 'white', 'black', 'brown', 'purple', 'black', 'white', 'black', 'gray', 'black', 'silver', 'yellow', 'silver', 'white', 'silver', 'red', 'gray', 'white', 'blue', 'red', 'red', 'white', 'blue', 'blue', 'blue', 'brown', 'black', 'black', 'white', 'black', 'black', 'blue', 'white'] \nStep 2, identify the type of pink vehicles: ['subcompact'] \nStep 3, count pink micro-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1602
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) model 3. B) ats-l. C) lavida. D) gl8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1479.3, 1549.7], [3436.3, 1381.1], [1637.3, 1037.5], [1428.8, 1377.3], [973.6, 1602.9], [1458.3, 1486.8], [2760.3, 1627.5], [3501.4, 1371.2], [3043.0, 1182.7], [3241.0, 1392.7], [935.3, 1063.9], [3045.5, 1398.7], [2925.9, 1620.7], [1730.2, 1318.4], [3575.7, 1398.0], [1338.6, 958.2], [3827.6, 1734.9], [3369.4, 1389.4], [3833.8, 1434.1], [3760.8, 1423.0], [2736.0, 1455.7], [1686.0, 1210.9], [1748.1, 1374.9], [3198.5, 1621.6], [1006.6, 1745.5], [1406.6, 1271.3], [3305.9, 1382.1], [1664.8, 1144.8], [3111.5, 1391.2], [2922.8, 1426.0], [3642.5, 1399.6], [3174.2, 1381.3], [3496.9, 1651.4], [3496.9, 1651.4], [3496.9, 1651.4], [2985.0, 1402.7], [2673.1, 1464.7], [2857.3, 1426.1], [1543.8, 740.5], [943.2, 1329.0], [2794.3, 1441.0], [3206.8, 1138.5], [3974.2, 1447.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.9, 16.2, 106.1], [56.8, 10.1, 109.6], [-15.4, -3.7, 117.6], [-22.6, 10.0, 109.7], [-38.9, 18.1, 105.0], [-21.0, 14.0, 107.4], [28.6, 18.9, 104.5], [59.4, 9.7, 109.8], [42.9, 2.4, 114.1], [48.9, 10.6, 109.4], [-44.9, -2.6, 117.0], [41.2, 10.8, 109.2], [34.9, 18.7, 104.7], [-10.8, 7.7, 111.0], [62.1, 10.8, 109.3], [-28.5, -7.2, 119.6], [67.5, 22.5, 102.5], [54.0, 10.4, 109.4], [71.7, 12.1, 108.5], [69.0, 11.7, 108.7], [28.7, 12.9, 108.0], [-12.8, 3.5, 113.4], [-10.0, 9.9, 109.8], [45.2, 18.7, 104.7], [-36.6, 22.9, 102.3], [-24.0, 5.9, 112.1], [51.6, 10.2, 109.6], [-13.9, 0.8, 115.0], [43.8, 10.5, 109.4], [36.1, 11.8, 108.7], [64.7, 10.8, 109.2], [46.4, 10.1, 109.6], [56.1, 19.7, 104.1], [56.1, 19.7, 104.1], [56.1, 19.7, 104.1], [38.8, 10.9, 109.2], [26.2, 13.2, 107.8], [33.6, 11.8, 108.7], [-20.6, -17.4, 125.5], [-42.2, 8.1, 110.8], [31.0, 12.3, 108.3], [50.1, 0.6, 115.1], [77.0, 12.6, 108.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [109.2, 123.9, 118.7, 112.5, 113.4, 110.3, 110.0, 125.3, 121.9, 120.3, 125.3, 117.2, 111.9, 111.8, 126.1, 123.2, 124.7, 122.5, 130.6, 129.3, 112.5, 114.2, 110.7, 115.5, 111.0, 114.7, 121.6, 115.8, 118.3, 115.1, 127.4, 119.5, 119.9, 119.9, 119.9, 116.4, 111.8, 114.3, 128.4, 118.8, 113.4, 125.6, 133.4] \/nStep 5, find the minimum distance to the drone: 109.2 \/nStep 6, identify the model of this vehicle: lavida",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1603
+    },
+    {
+        "image":"843e91a2-DJI_0437.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 12.5. B) 12. C) 9.1. D) 11.5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1479.3, 1549.7], [3436.3, 1381.1], [1637.3, 1037.5], [1428.8, 1377.3], [973.6, 1602.9], [1458.3, 1486.8], [2760.3, 1627.5], [3501.4, 1371.2], [3043.0, 1182.7], [3241.0, 1392.7], [935.3, 1063.9], [3045.5, 1398.7], [2925.9, 1620.7], [1730.2, 1318.4], [3575.7, 1398.0], [1338.6, 958.2], [3827.6, 1734.9], [3369.4, 1389.4], [3833.8, 1434.1], [3760.8, 1423.0], [2736.0, 1455.7], [1686.0, 1210.9], [1748.1, 1374.9], [3198.5, 1621.6], [1006.6, 1745.5], [1406.6, 1271.3], [3305.9, 1382.1], [1664.8, 1144.8], [3111.5, 1391.2], [2922.8, 1426.0], [3642.5, 1399.6], [3174.2, 1381.3], [3496.9, 1651.4], [3496.9, 1651.4], [3496.9, 1651.4], [2985.0, 1402.7], [2673.1, 1464.7], [2857.3, 1426.1], [1543.8, 740.5], [943.2, 1329.0], [2794.3, 1441.0], [3206.8, 1138.5], [3974.2, 1447.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.9, 16.2, 106.1], [56.8, 10.1, 109.6], [-15.4, -3.7, 117.6], [-22.6, 10.0, 109.7], [-38.9, 18.1, 105.0], [-21.0, 14.0, 107.4], [28.6, 18.9, 104.5], [59.4, 9.7, 109.8], [42.9, 2.4, 114.1], [48.9, 10.6, 109.4], [-44.9, -2.6, 117.0], [41.2, 10.8, 109.2], [34.9, 18.7, 104.7], [-10.8, 7.7, 111.0], [62.1, 10.8, 109.3], [-28.5, -7.2, 119.6], [67.5, 22.5, 102.5], [54.0, 10.4, 109.4], [71.7, 12.1, 108.5], [69.0, 11.7, 108.7], [28.7, 12.9, 108.0], [-12.8, 3.5, 113.4], [-10.0, 9.9, 109.8], [45.2, 18.7, 104.7], [-36.6, 22.9, 102.3], [-24.0, 5.9, 112.1], [51.6, 10.2, 109.6], [-13.9, 0.8, 115.0], [43.8, 10.5, 109.4], [36.1, 11.8, 108.7], [64.7, 10.8, 109.2], [46.4, 10.1, 109.6], [56.1, 19.7, 104.1], [56.1, 19.7, 104.1], [56.1, 19.7, 104.1], [38.8, 10.9, 109.2], [26.2, 13.2, 107.8], [33.6, 11.8, 108.7], [-20.6, -17.4, 125.5], [-42.2, 8.1, 110.8], [31.0, 12.3, 108.3], [50.1, 0.6, 115.1], [77.0, 12.6, 108.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [109.2, 123.9, 118.7, 112.5, 113.4, 110.3, 110.0, 125.3, 121.9, 120.3, 125.3, 117.2, 111.9, 111.8, 126.1, 123.2, 124.7, 122.5, 130.6, 129.3, 112.5, 114.2, 110.7, 115.5, 111.0, 114.7, 121.6, 115.8, 118.3, 115.1, 127.4, 119.5, 119.9, 119.9, 119.9, 116.4, 111.8, 114.3, 128.4, 118.8, 113.4, 125.6, 133.4] \/nStep 5, find the minimum distance to the drone: 109.2 \/nStep 6, calculate the flight time of the drone: 109.2\/12=9.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":43,
+        "region":"image-level",
+        "qid":1604
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'yellow', 'black', 'red', 'brown', 'white', 'silver', 'white', 'white', 'gray', 'white', 'black', 'silver', 'red', 'black', 'black', 'white'] \/nStep 2, there is no blue car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1605
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1606
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 45. B) 90. C) 60. D) 30.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1607
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1608
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000}",
+        "choices":"",
+        "answer":3170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw x1', 'toyota levin', 'volkswagen lavida', 'toyota vios', 'mazda axela', 'tesla model 3', 'roewe erx5', 'skoda superb', 'skoda octavia', 'buick encore', 'volkswagen magotan', 'audi q5 e-tron', 'buick gl8', 'byd song plus', 'byd tang', 'chevrolet malibu xl', 'skoda octavia', 'nissan teana', 'ford edge', 'volkswagen lavida', 'byd qin'] \nStep 2, query all vehicle prices: {'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000} \nStep 3, sum the price of each vehicle: 3170000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1609
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000}",
+        "choices":"A) 150952. B) 330000. C) 155000. D) 25000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw x1', 'toyota levin', 'volkswagen lavida', 'toyota vios', 'mazda axela', 'tesla model 3', 'roewe erx5', 'skoda superb', 'skoda octavia', 'buick encore', 'volkswagen magotan', 'audi q5 e-tron', 'buick gl8', 'byd song plus', 'byd tang', 'chevrolet malibu xl', 'skoda octavia', 'nissan teana', 'ford edge', 'volkswagen lavida', 'byd qin'] \nStep 2, query all vehicle prices: {'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000} \nStep 3, calculate the average price of all vehicles: 150952",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1610
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000}",
+        "choices":"A) 25000. B) 150000. C) 155000. D) 150952.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw x1', 'toyota levin', 'volkswagen lavida', 'toyota vios', 'mazda axela', 'tesla model 3', 'roewe erx5', 'skoda superb', 'skoda octavia', 'buick encore', 'volkswagen magotan', 'audi q5 e-tron', 'buick gl8', 'byd song plus', 'byd tang', 'chevrolet malibu xl', 'skoda octavia', 'nissan teana', 'ford edge', 'volkswagen lavida', 'byd qin'] \nStep 2, query all vehicle prices: {'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000} \nStep 3, calculate the median price of all vehicles: 150000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1611
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 5.2. B) 4.3. C) 100.1. D) 4.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.6, 4.7, 4.4, 4.7, 4.7, 4.7, 4.8, 4.8, 4.3, 5.0, 4.9, 5.2, 4.8, 4.9, 4.9, 4.8, 4.9, 5.0, 4.7, 4.7] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1612
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw x1', 'toyota levin', 'volkswagen lavida', 'toyota vios', 'mazda axela', 'tesla model 3', 'roewe erx5', 'skoda superb', 'skoda octavia', 'buick encore', 'volkswagen magotan', 'audi q5 e-tron', 'buick gl8', 'byd song plus', 'byd tang', 'chevrolet malibu xl', 'skoda octavia', 'nissan teana', 'ford edge', 'volkswagen lavida', 'byd qin'] \nStep 2, query all vehicle prices: {'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000} \nStep 3, calculate the minimum price of all vehicles: 25000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1613
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'yellow', 'black', 'red', 'brown', 'white', 'silver', 'white', 'white', 'gray', 'white', 'black', 'silver', 'red', 'black', 'black', 'white'] \/nStep 2, count vehicles for each color: {'white': 9, 'silver': 3, 'yellow': 1, 'black': 4, 'red': 2, 'brown': 1, 'gray': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1614
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'compact', 'subcompact', 'compact', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'mpv', 'suv', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'compact', 'compact'] \nStep 2, identify the color of suv vehicles: ['white', 'black', 'white', 'white', 'gray', 'white', 'black'] \nStep 3, count suv vehicles for each color: {'white': 4, 'black': 2, 'gray': 1} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1615
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 16 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"A) 5. B) 1. C) 3. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 21 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 21-16=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1616
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'compact', 'subcompact', 'compact', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'mid-size', 'suv', 'mpv', 'suv', 'suv', 'mid-size', 'compact', 'mid-size', 'suv', 'compact', 'compact'] \/nStep 2, count all subcompact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1617
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000}",
+        "choices":"",
+        "answer":19,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['bmw x1', 'toyota levin', 'volkswagen lavida', 'toyota vios', 'mazda axela', 'tesla model 3', 'roewe erx5', 'skoda superb', 'skoda octavia', 'buick encore', 'volkswagen magotan', 'audi q5 e-tron', 'buick gl8', 'byd song plus', 'byd tang', 'chevrolet malibu xl', 'skoda octavia', 'nissan teana', 'ford edge', 'volkswagen lavida', 'byd qin'] \nStep 2, query all vehicle prices: {'bmw x1': 225000, 'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'byd tang': 225000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000, 'ford edge': 255000, 'byd qin': 30000} \nStep 3, count vehicles priced below 300000 RMB: 19",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1618
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many brown mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 1. C) 2. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'silver', 'white', 'yellow', 'black', 'red', 'brown', 'white', 'silver', 'white', 'white', 'gray', 'white', 'black', 'silver', 'red', 'black', 'black', 'white'] \nStep 2, identify the type of brown vehicles: ['compact'] \nStep 3, count brown mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1619
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1529.3, 2152.9], [1605.9, 2055.8], [2359.9, 754.4], [2716.0, 539.8], [2479.5, 135.1], [2584.5, 341.7], [1654.1, 811.1], [1774.4, 1863.6], [2672.1, 470.0], [2538.3, 261.2], [1725.0, 989.0], [2253.9, 539.4], [1938.8, 1693.2], [2321.1, 676.9], [3899.6, 525.9], [1690.0, 1956.1], [1511.7, 168.6], [2201.9, 413.5], [2048.0, 39.3], [1565.4, 474.8], [1404.5, 2238.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.7, 21.1, 57.1], [-8.2, 19.5, 58.0], [9.7, -10.0, 75.1], [20.4, -16.6, 78.9], [15.1, -31.1, 87.3], [17.4, -23.4, 82.8], [-9.2, -8.4, 74.1], [-4.9, 16.0, 60.1], [19.4, -18.9, 80.2], [16.4, -26.3, 84.5], [-7.1, -3.5, 71.3], [7.2, -16.7, 78.9], [-1.4, 12.7, 62.0], [8.8, -12.3, 76.4], [54.2, -17.1, 79.1], [-6.6, 17.7, 59.1], [-15.2, -29.8, 86.5], [5.9, -20.9, 81.3], [1.5, -35.0, 89.5], [-12.6, -18.8, 80.1], [-12.1, 22.6, 56.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [61.6, 61.8, 76.4, 83.2, 93.9, 87.8, 75.2, 62.3, 84.7, 90.0, 71.7, 81.0, 63.3, 77.9, 97.4, 62.0, 92.7, 84.2, 96.1, 83.2, 61.8] \/nStep 5, find the minimum distance to the drone: 61.6 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1620
+    },
+    {
+        "image":"91735761-DJI_0443.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1529.3, 2152.9], [1605.9, 2055.8], [2359.9, 754.4], [2716.0, 539.8], [2479.5, 135.1], [2584.5, 341.7], [1654.1, 811.1], [1774.4, 1863.6], [2672.1, 470.0], [2538.3, 261.2], [1725.0, 989.0], [2253.9, 539.4], [1938.8, 1693.2], [2321.1, 676.9], [3899.6, 525.9], [1690.0, 1956.1], [1511.7, 168.6], [2201.9, 413.5], [2048.0, 39.3], [1565.4, 474.8], [1404.5, 2238.7]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.7, 21.1, 57.1], [-8.2, 19.5, 58.0], [9.7, -10.0, 75.1], [20.4, -16.6, 78.9], [15.1, -31.1, 87.3], [17.4, -23.4, 82.8], [-9.2, -8.4, 74.1], [-4.9, 16.0, 60.1], [19.4, -18.9, 80.2], [16.4, -26.3, 84.5], [-7.1, -3.5, 71.3], [7.2, -16.7, 78.9], [-1.4, 12.7, 62.0], [8.8, -12.3, 76.4], [54.2, -17.1, 79.1], [-6.6, 17.7, 59.1], [-15.2, -29.8, 86.5], [5.9, -20.9, 81.3], [1.5, -35.0, 89.5], [-12.6, -18.8, 80.1], [-12.1, 22.6, 56.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [61.6, 61.8, 76.4, 83.2, 93.9, 87.8, 75.2, 62.3, 84.7, 90.0, 71.7, 81.0, 63.3, 77.9, 97.4, 62.0, 92.7, 84.2, 96.1, 83.2, 61.8] \/nStep 5, find the minimum distance to the drone: 61.6 \/nStep 6, calculate the flight time of the drone: 61.6\/12=5.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":21,
+        "region":"image-level",
+        "qid":1621
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new black car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white'] \/nStep 2, there is an black car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1622
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 20. B) 120. C) 100. D) 40.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1623
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1624
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 10805. B) 1805. C) 1305. D) 805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1625
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":415000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mazda axela', 'ford edge', 'changan cs35'] \nStep 2, query all vehicle prices: {'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000} \nStep 3, sum the price of each vehicle: 415000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1626
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"A) 138333. B) 255000. C) 255000. D) 130000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['mazda axela', 'ford edge', 'changan cs35'] \nStep 2, query all vehicle prices: {'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000} \nStep 3, calculate the average price of all vehicles: 138333",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1627
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 13.8. B) 4. C) 4.7. D) 5.0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.2] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1628
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.2] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1629
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.2. B) 5.0. C) 4. D) 4.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.0, 4.2] \nStep 5, find the minimum length of all vehicles: 4.2",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1630
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white'] \/nStep 2, count vehicles for each color: {'white': 2, 'black': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1631
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv'] \nStep 2, identify the color of compact vehicles: ['white'] \nStep 3, count compact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1632
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 10 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 3 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 10-3=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1633
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 3. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'suv'] \/nStep 2, count all compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1634
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['mazda axela', 'ford edge', 'changan cs35'] \nStep 2, query all vehicle prices: {'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000} \nStep 3, count vehicles priced below 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1635
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'white'] \nStep 2, identify the type of black vehicles: ['suv'] \nStep 3, count black compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1636
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3529.8, 1770.4], [1786.4, 1282.0], [2640.9, 233.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.2, 4.7, 20.4], [-1.7, 1.3, 22.4], [6.6, -9.1, 28.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [23.7, 22.5, 30.5] \/nStep 5, find the minimum distance to the drone: 22.5 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1637
+    },
+    {
+        "image":"9f80af1b-DJI_0450.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 9.5. B) 2.2. C) 11. D) 10.5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3529.8, 1770.4], [1786.4, 1282.0], [2640.9, 233.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[11.2, 4.7, 20.4], [-1.7, 1.3, 22.4], [6.6, -9.1, 28.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [23.7, 22.5, 30.5] \/nStep 5, find the minimum distance to the drone: 22.5 \/nStep 6, calculate the flight time of the drone: 22.5\/10=2.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":3,
+        "region":"image-level",
+        "qid":1638
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new yellow car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'white', 'gray', 'white', 'white', 'white', 'red', 'white', 'black', 'white', 'purple', 'white', 'gray', 'gray', 'silver', 'black', 'white', 'blue', 'white', 'white', 'white', 'gray', 'gray', 'black'] \/nStep 2, there is no yellow car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1639
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1640
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1641
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4760. B) 4260. C) 5260. D) 9260.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1642
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"A) 802. B) 4010000. C) 133. D) 1203.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford edge', 'volkswagen polo', 'ford focus', 'bmw x5', 'byd tang', 'skoda yeti', 'byd qin', 'byd qin', 'toyota yaris l', 'bmw x3', 'volvo s90', 'kia sportage', 'rising marvel r', 'audi a4l', 'buick excelle', 'byd song pro', 'toyota rav4', 'tesla model 3', 'toyota c-hr', 'volkswagen bora', 'volkswagen sagitar', 'kia k3', 'ford focus', 'hyundai sonata', 'hyundai sonata', 'peugeot 408'] \nStep 2, query all vehicle prices: {'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000} \nStep 3, sum the price of each vehicle: 4010000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1643
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"A) 235000. B) 705000. C) 325000. D) 285000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'white', 'gray', 'white', 'white', 'white', 'red', 'white', 'black', 'white', 'purple', 'white', 'gray', 'gray', 'silver', 'black', 'white', 'blue', 'white', 'white', 'white', 'gray', 'gray', 'black'] \nStep 2, identify the model of black vehicles: ['volvo s90', 'tesla model 3', 'peugeot 408'] \nStep 3, query vehicle prices: {'volvo s90': 325000, 'tesla model 3': 285000, 'peugeot 408': 95000} \nStep 4, sum the price of each black vehicle: 705000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1644
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 5.1. B) 121.9. C) 4.7. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.1, 4.7, 5.1, 4.9, 4.3, 4.7, 4.7, 4.2, 4.7, 5.1, 4.5, 4.7, 4.9, 4.6, 4.7, 4.6, 4.7, 4.4, 4.7, 4.8, 4.7, 4.7, 4.9, 4.9, 4.8] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1645
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.0, 4.1, 4.7, 5.1, 4.9, 4.3, 4.7, 4.7, 4.2, 4.7, 5.1, 4.5, 4.7, 4.9, 4.6, 4.7, 4.6, 4.7, 4.4, 4.7, 4.8, 4.7, 4.7, 4.9, 4.9, 4.8] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1646
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"A) 705000. B) 675000. C) 115000. D) 154230.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford edge', 'volkswagen polo', 'ford focus', 'bmw x5', 'byd tang', 'skoda yeti', 'byd qin', 'byd qin', 'toyota yaris l', 'bmw x3', 'volvo s90', 'kia sportage', 'rising marvel r', 'audi a4l', 'buick excelle', 'byd song pro', 'toyota rav4', 'tesla model 3', 'toyota c-hr', 'volkswagen bora', 'volkswagen sagitar', 'kia k3', 'ford focus', 'hyundai sonata', 'hyundai sonata', 'peugeot 408'] \nStep 2, query all vehicle prices: {'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1647
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford edge', 'volkswagen polo', 'ford focus', 'bmw x5', 'byd tang', 'skoda yeti', 'byd qin', 'byd qin', 'toyota yaris l', 'bmw x3', 'volvo s90', 'kia sportage', 'rising marvel r', 'audi a4l', 'buick excelle', 'byd song pro', 'toyota rav4', 'tesla model 3', 'toyota c-hr', 'volkswagen bora', 'volkswagen sagitar', 'kia k3', 'ford focus', 'hyundai sonata', 'hyundai sonata', 'peugeot 408'] \nStep 2, query all vehicle prices: {'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1648
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'white', 'gray', 'white', 'white', 'white', 'red', 'white', 'black', 'white', 'purple', 'white', 'gray', 'gray', 'silver', 'black', 'white', 'blue', 'white', 'white', 'white', 'gray', 'gray', 'black'] \/nStep 2, count vehicles for each color: {'white': 13, 'red': 2, 'gray': 5, 'black': 3, 'purple': 1, 'silver': 1, 'blue': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1649
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of micro-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) yellow. B) golden. C) purple. D) red.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'micro-size', 'compact', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'full-size', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'crossover', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'compact', 'mid-size', 'mid-size', 'compact'] \nStep 2, identify the color of micro-size vehicles: ['red'] \nStep 3, count micro-size vehicles for each color: {'red': 1} \nStep 4, sort to get the most common color of micro-size vehicle: red",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1650
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 27 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 26 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 27-26=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1651
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 0. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'micro-size', 'compact', 'suv', 'suv', 'suv', 'compact', 'compact', 'suv', 'suv', 'full-size', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'crossover', 'mid-size', 'suv', 'compact', 'compact', 'compact', 'compact', 'mid-size', 'mid-size', 'compact'] \/nStep 2, count all full-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1652
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford edge', 'volkswagen polo', 'ford focus', 'bmw x5', 'byd tang', 'skoda yeti', 'byd qin', 'byd qin', 'toyota yaris l', 'bmw x3', 'volvo s90', 'kia sportage', 'rising marvel r', 'audi a4l', 'buick excelle', 'byd song pro', 'toyota rav4', 'tesla model 3', 'toyota c-hr', 'volkswagen bora', 'volkswagen sagitar', 'kia k3', 'ford focus', 'hyundai sonata', 'hyundai sonata', 'peugeot 408'] \nStep 2, query all vehicle prices: {'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'kia sportage': 115000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000} \nStep 3, count vehicles priced above 500000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1653
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'white', 'gray', 'white', 'white', 'white', 'red', 'white', 'black', 'white', 'purple', 'white', 'gray', 'gray', 'silver', 'black', 'white', 'blue', 'white', 'white', 'white', 'gray', 'gray', 'black'] \nStep 2, identify the type of blue vehicles: ['compact'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1654
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"bora",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2471.5, 497.1], [1564.3, 1749.2], [2630.5, 1577.8], [2955.9, 709.8], [1759.1, 1316.3], [1832.5, 1049.6], [2836.8, 941.2], [2836.8, 941.2], [2734.7, 1194.0], [1979.6, 852.7], [1696.6, 1471.2], [1387.8, 2163.2], [1533.8, 1952.5], [2060.4, 766.3], [2008.3, 337.5], [2122.1, 670.6], [3583.0, 397.9], [1886.5, 942.0], [2392.1, 233.8], [3310.9, 167.9], [2264.9, 241.0], [2496.5, 215.5], [2723.3, 195.4], [2759.2, 449.0], [2759.2, 449.0], [2830.9, 164.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.3, -12.4, 54.8], [-5.4, 7.8, 34.6], [8.3, 6.0, 36.5], [17.2, -7.5, 49.9], [-3.4, 2.7, 39.7], [-2.6, -1.2, 43.6], [13.7, -3.0, 45.4], [13.7, -3.0, 45.4], [11.0, 1.0, 41.4], [-0.3, -4.6, 47.0], [-4.1, 4.7, 37.7], [-6.8, 11.6, 30.9], [-5.5, 9.7, 32.7], [1.1, -6.3, 48.7], [0.2, -16.8, 59.2], [2.2, -8.3, 50.7], [32.8, -15.1, 57.5], [-1.9, -3.0, 45.4], [8.8, -20.1, 62.5], [30.6, -22.3, 64.8], [5.9, -19.8, 62.3], [11.3, -20.7, 63.1], [16.6, -21.4, 63.8], [15.3, -13.7, 56.1], [15.3, -13.7, 56.1], [19.4, -22.5, 64.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [57.0, 35.9, 37.9, 53.3, 39.9, 43.7, 47.6, 47.6, 42.8, 47.3, 38.2, 33.7, 34.5, 49.1, 61.6, 51.5, 67.9, 45.6, 66.2, 75.0, 65.6, 67.4, 69.3, 59.7, 59.7, 71.4] \/nStep 5, find the maximum distance to the drone: 75.0 \/nStep 6, identify the model of this vehicle: bora",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1655
+    },
+    {
+        "image":"32a29cc2-DJI_0459.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2471.5, 497.1], [1564.3, 1749.2], [2630.5, 1577.8], [2955.9, 709.8], [1759.1, 1316.3], [1832.5, 1049.6], [2836.8, 941.2], [2836.8, 941.2], [2734.7, 1194.0], [1979.6, 852.7], [1696.6, 1471.2], [1387.8, 2163.2], [1533.8, 1952.5], [2060.4, 766.3], [2008.3, 337.5], [2122.1, 670.6], [3583.0, 397.9], [1886.5, 942.0], [2392.1, 233.8], [3310.9, 167.9], [2264.9, 241.0], [2496.5, 215.5], [2723.3, 195.4], [2759.2, 449.0], [2759.2, 449.0], [2830.9, 164.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.3, -12.4, 54.8], [-5.4, 7.8, 34.6], [8.3, 6.0, 36.5], [17.2, -7.5, 49.9], [-3.4, 2.7, 39.7], [-2.6, -1.2, 43.6], [13.7, -3.0, 45.4], [13.7, -3.0, 45.4], [11.0, 1.0, 41.4], [-0.3, -4.6, 47.0], [-4.1, 4.7, 37.7], [-6.8, 11.6, 30.9], [-5.5, 9.7, 32.7], [1.1, -6.3, 48.7], [0.2, -16.8, 59.2], [2.2, -8.3, 50.7], [32.8, -15.1, 57.5], [-1.9, -3.0, 45.4], [8.8, -20.1, 62.5], [30.6, -22.3, 64.8], [5.9, -19.8, 62.3], [11.3, -20.7, 63.1], [16.6, -21.4, 63.8], [15.3, -13.7, 56.1], [15.3, -13.7, 56.1], [19.4, -22.5, 64.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [57.0, 35.9, 37.9, 53.3, 39.9, 43.7, 47.6, 47.6, 42.8, 47.3, 38.2, 33.7, 34.5, 49.1, 61.6, 51.5, 67.9, 45.6, 66.2, 75.0, 65.6, 67.4, 69.3, 59.7, 59.7, 71.4] \/nStep 5, find the maximum distance to the drone: 75.0 \/nStep 6, calculate the flight time of the drone: 75.0\/18=4.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":26,
+        "region":"image-level",
+        "qid":1656
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Phoebe said she bought a new orange car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'white', 'black', 'black', 'white', 'gray', 'gray', 'black', 'brown', 'white', 'white', 'black', 'black', 'white', 'red'] \/nStep 2, there is no orange car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1657
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1658
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1659
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4260,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1660
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":3270000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin', 'volkswagen sportsvan', 'honda xr-v', 'buick gl8', 'buick gl8', 'mercedes-benz glc', 'mercedes-benz glc', 'buick verano', 'byd han', 'byd han', 'audi q3', 'toyota rav4', 'bmw x1', 'bmw x1', 'chevrolet malibu xl', 'chevrolet malibu xl', 'toyota levin', 'skoda superb'] \nStep 2, query all vehicle prices: {'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000} \nStep 3, sum the price of each vehicle: 3270000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1661
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are black vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":1175000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'white', 'black', 'black', 'white', 'gray', 'gray', 'black', 'brown', 'white', 'white', 'black', 'black', 'white', 'red'] \nStep 2, identify the model of black vehicles: ['mercedes-benz glc', 'mercedes-benz glc', 'audi q3', 'chevrolet malibu xl', 'chevrolet malibu xl'] \nStep 3, query vehicle prices: {'mercedes-benz glc': 335000, 'audi q3': 215000, 'chevrolet malibu xl': 145000} \nStep 4, sum the price of each black vehicle: 1175000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1662
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.4, 5.2, 5.2, 4.8, 4.8, 4.7, 5.0, 5.0, 4.5, 4.6, 4.6, 4.6, 4.9, 4.9, 4.6, 4.8] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1663
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.4, 5.2, 5.2, 4.8, 4.8, 4.7, 5.0, 5.0, 4.5, 4.6, 4.6, 4.6, 4.9, 4.9, 4.6, 4.8] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1664
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.4, 5.2, 5.2, 4.8, 4.8, 4.7, 5.0, 5.0, 4.5, 4.6, 4.6, 4.6, 4.9, 4.9, 4.6, 4.8] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1665
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.4, 4.4, 5.2, 5.2, 4.8, 4.8, 4.7, 5.0, 5.0, 4.5, 4.6, 4.6, 4.6, 4.9, 4.9, 4.6, 4.8] \nStep 5, find the minimum length of all vehicles: 4.4",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1666
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'white', 'black', 'black', 'white', 'gray', 'gray', 'black', 'brown', 'white', 'white', 'black', 'black', 'white', 'red'] \/nStep 2, count vehicles for each color: {'white': 9, 'black': 5, 'gray': 2, 'brown': 1, 'red': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1667
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'mpv', 'mpv', 'suv', 'suv', 'compact', 'mid-size', 'mid-size', 'suv', 'crossover', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['white', 'white', 'white', 'white'] \nStep 3, count compact vehicles for each color: {'white': 4} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1668
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 13 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 4. B) 7. C) 5. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 18 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 18-13=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1669
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'mpv', 'mpv', 'suv', 'suv', 'compact', 'mid-size', 'mid-size', 'suv', 'crossover', 'suv', 'suv', 'mid-size', 'mid-size', 'compact', 'mid-size'] \/nStep 2, count all mid-size vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1670
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced above 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"A) 2. B) 1. C) 0. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd qin', 'volkswagen sportsvan', 'honda xr-v', 'buick gl8', 'buick gl8', 'mercedes-benz glc', 'mercedes-benz glc', 'buick verano', 'byd han', 'byd han', 'audi q3', 'toyota rav4', 'bmw x1', 'bmw x1', 'chevrolet malibu xl', 'chevrolet malibu xl', 'toyota levin', 'skoda superb'] \nStep 2, query all vehicle prices: {'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000} \nStep 3, count vehicles priced above 500000 RMB: 0",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1671
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many black crossover vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 0. C) 1. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'white', 'white', 'black', 'black', 'white', 'gray', 'gray', 'black', 'brown', 'white', 'white', 'black', 'black', 'white', 'red'] \nStep 2, identify the type of black vehicles: ['suv', 'suv', 'suv', 'mid-size', 'mid-size'] \nStep 3, count black crossover vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1672
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"mpv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[658.1, 723.4], [1280.8, 1154.6], [1163.3, 1039.3], [265.2, 354.0], [265.2, 354.0], [1729.7, 1592.1], [1729.7, 1592.1], [1401.0, 1242.9], [1576.0, 1481.0], [1576.0, 1481.0], [964.1, 884.2], [1488.6, 1350.6], [568.3, 640.1], [568.3, 640.1], [424.3, 527.9], [424.3, 527.9], [499.2, 592.3], [360.5, 470.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-24.0, -7.2, 49.6], [-10.9, 0.4, 42.0], [-13.2, -1.4, 43.8], [-36.7, -16.3, 58.8], [-36.7, -16.3, 58.8], [-3.5, 6.1, 36.3], [-3.5, 6.1, 36.3], [-8.8, 1.7, 40.7], [-5.7, 4.8, 37.6], [-5.7, 4.8, 37.6], [-17.3, -4.0, 46.5], [-7.2, 3.2, 39.2], [-26.5, -9.0, 51.4], [-26.5, -9.0, 51.4], [-30.7, -11.6, 54.1], [-30.7, -11.6, 54.1], [-28.4, -10.1, 52.5], [-32.8, -13.1, 55.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [55.6, 43.4, 45.7, 71.2, 71.2, 37.0, 37.0, 41.7, 38.3, 38.3, 49.8, 40.0, 58.5, 58.5, 63.2, 63.2, 60.5, 65.8] \/nStep 5, find the maximum distance to the drone: 71.2 \/nStep 6, identify the type of this vehicle: mpv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1673
+    },
+    {
+        "image":"16c831fa-DJI_0465.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[658.1, 723.4], [1280.8, 1154.6], [1163.3, 1039.3], [265.2, 354.0], [265.2, 354.0], [1729.7, 1592.1], [1729.7, 1592.1], [1401.0, 1242.9], [1576.0, 1481.0], [1576.0, 1481.0], [964.1, 884.2], [1488.6, 1350.6], [568.3, 640.1], [568.3, 640.1], [424.3, 527.9], [424.3, 527.9], [499.2, 592.3], [360.5, 470.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-24.0, -7.2, 49.6], [-10.9, 0.4, 42.0], [-13.2, -1.4, 43.8], [-36.7, -16.3, 58.8], [-36.7, -16.3, 58.8], [-3.5, 6.1, 36.3], [-3.5, 6.1, 36.3], [-8.8, 1.7, 40.7], [-5.7, 4.8, 37.6], [-5.7, 4.8, 37.6], [-17.3, -4.0, 46.5], [-7.2, 3.2, 39.2], [-26.5, -9.0, 51.4], [-26.5, -9.0, 51.4], [-30.7, -11.6, 54.1], [-30.7, -11.6, 54.1], [-28.4, -10.1, 52.5], [-32.8, -13.1, 55.5]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [55.6, 43.4, 45.7, 71.2, 71.2, 37.0, 37.0, 41.7, 38.3, 38.3, 49.8, 40.0, 58.5, 58.5, 63.2, 63.2, 60.5, 65.8] \/nStep 5, find the maximum distance to the drone: 71.2 \/nStep 6, calculate the flight time of the drone: 71.2\/18=4.0",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":18,
+        "region":"image-level",
+        "qid":1674
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Phoebe said she bought a new red car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'white', 'white', 'gray', 'black', 'black', 'white', 'yellow', 'white', 'black', 'silver', 'silver'] \/nStep 2, there is an red car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1675
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1676
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1677
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 14260. B) 4760. C) 5260. D) 4260.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1678
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":2050000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['nissan teana', 'volkswagen magotan', 'buick encore', 'audi q5 e-tron', 'byd song plus', 'ford edge', 'volkswagen lavida', 'volkswagen lavida', 'tesla model 3', 'mazda axela', 'roewe erx5', 'skoda octavia', 'skoda octavia'] \nStep 2, query all vehicle prices: {'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000} \nStep 3, sum the price of each vehicle: 2050000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1679
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 5.0, 4.3, 4.9, 4.8, 5.0, 4.7, 4.7, 4.7, 4.7, 4.7, 4.8, 4.8] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1680
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['nissan teana', 'volkswagen magotan', 'buick encore', 'audi q5 e-tron', 'byd song plus', 'ford edge', 'volkswagen lavida', 'volkswagen lavida', 'tesla model 3', 'mazda axela', 'roewe erx5', 'skoda octavia', 'skoda octavia'] \nStep 2, query all vehicle prices: {'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000} \nStep 3, calculate the median price of all vehicles: 150000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1681
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":320000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['nissan teana', 'volkswagen magotan', 'buick encore', 'audi q5 e-tron', 'byd song plus', 'ford edge', 'volkswagen lavida', 'volkswagen lavida', 'tesla model 3', 'mazda axela', 'roewe erx5', 'skoda octavia', 'skoda octavia'] \nStep 2, query all vehicle prices: {'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000} \nStep 3, calculate the maximum price of all vehicles: 320000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1682
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 61.7. B) 4. C) 4.8. D) 4.3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.9, 5.0, 4.3, 4.9, 4.8, 5.0, 4.7, 4.7, 4.7, 4.7, 4.7, 4.8, 4.8] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1683
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'white', 'white', 'gray', 'black', 'black', 'white', 'yellow', 'white', 'black', 'silver', 'silver'] \/nStep 2, count vehicles for each color: {'red': 1, 'silver': 3, 'white': 4, 'gray': 1, 'black': 3, 'yellow': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1684
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 2. B) 9. C) 8. D) 6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 13-11=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1685
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many silver vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 3. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'white', 'white', 'gray', 'black', 'black', 'white', 'yellow', 'white', 'black', 'silver', 'silver'] \/nStep 2, count all silver vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1686
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":13,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['nissan teana', 'volkswagen magotan', 'buick encore', 'audi q5 e-tron', 'byd song plus', 'ford edge', 'volkswagen lavida', 'volkswagen lavida', 'tesla model 3', 'mazda axela', 'roewe erx5', 'skoda octavia', 'skoda octavia'] \nStep 2, query all vehicle prices: {'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000} \nStep 3, count vehicles priced below 500000 RMB: 13",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1687
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 0. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'white', 'white', 'gray', 'black', 'black', 'white', 'yellow', 'white', 'black', 'silver', 'silver'] \nStep 2, identify the type of black vehicles: ['suv', 'compact', 'suv'] \nStep 3, count black compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1688
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"octavia",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2364.8, 989.4], [1091.2, 612.5], [2990.8, 1458.0], [2077.6, 1086.4], [1776.7, 1210.3], [3149.9, 690.0], [1997.0, 359.7], [1608.8, 1291.1], [2801.0, 1570.3], [3318.7, 1325.9], [1404.7, 502.7], [2558.9, 228.5], [2558.9, 228.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.9, -2.2, 44.6], [-17.0, -9.6, 52.0], [13.5, 4.5, 37.9], [1.2, -0.6, 43.0], [-3.3, 1.3, 41.2], [20.9, -7.9, 50.3], [-0.1, -16.2, 58.6], [-5.6, 2.4, 40.0], [10.6, 5.9, 36.6], [18.8, 2.9, 39.6], [-11.7, -12.3, 54.7], [12.6, -20.3, 62.7], [12.6, -20.3, 62.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [45.0, 55.6, 40.5, 43.0, 41.3, 55.0, 60.8, 40.5, 38.5, 43.9, 57.3, 67.1, 67.1] \/nStep 5, find the maximum distance to the drone: 67.1 \/nStep 6, identify the model of this vehicle: octavia",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1689
+    },
+    {
+        "image":"aea52fce-DJI_0468.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2364.8, 989.4], [1091.2, 612.5], [2990.8, 1458.0], [2077.6, 1086.4], [1776.7, 1210.3], [3149.9, 690.0], [1997.0, 359.7], [1608.8, 1291.1], [2801.0, 1570.3], [3318.7, 1325.9], [1404.7, 502.7], [2558.9, 228.5], [2558.9, 228.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.9, -2.2, 44.6], [-17.0, -9.6, 52.0], [13.5, 4.5, 37.9], [1.2, -0.6, 43.0], [-3.3, 1.3, 41.2], [20.9, -7.9, 50.3], [-0.1, -16.2, 58.6], [-5.6, 2.4, 40.0], [10.6, 5.9, 36.6], [18.8, 2.9, 39.6], [-11.7, -12.3, 54.7], [12.6, -20.3, 62.7], [12.6, -20.3, 62.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [45.0, 55.6, 40.5, 43.0, 41.3, 55.0, 60.8, 40.5, 38.5, 43.9, 57.3, 67.1, 67.1] \/nStep 5, find the maximum distance to the drone: 67.1 \/nStep 6, calculate the flight time of the drone: 67.1\/12=5.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1690
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Phoebe said she bought a new orange car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'purple', 'blue', 'gray', 'white', 'white', 'pink', 'black', 'red', 'brown', 'silver', 'red', 'black', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'blue', 'red', 'silver', 'silver', 'yellow', 'black', 'blue', 'white', 'white', 'white', 'silver', 'silver', 'black'] \/nStep 2, there is no orange car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1691
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1692
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 45. B) 90. C) 80. D) 70.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1693
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 25197. B) 28197. C) 33197. D) 23197.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1694
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":5050000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'rising marvel r', 'volkswagen id.4 x', 'byd dolphin', 'kia sportage', 'buick lacrosse', 'byd dolphin', 'volkswagen magotan', 'volkswagen polo', 'kia sportage', 'lexus nx', 'ford focus', 'byd han', 'cadillac srx', 'ford focus', 'ford focus', 'tesla model 3', 'tesla model 3', 'volkswagen tayron gte', 'roewe erx5', 'vgv u70', 'nissan teana', 'volkswagen magotan', 'volkswagen magotan', 'tesla model 3', 'ford edge', 'lexus es', 'volkswagen lavida', 'buick encore', 'mazda axela', 'skoda octavia', 'skoda octavia', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000} \nStep 3, sum the price of each vehicle: 5050000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1695
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"A) 50000. B) 97857. C) 685000. D) 170000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'purple', 'blue', 'gray', 'white', 'white', 'pink', 'black', 'red', 'brown', 'silver', 'red', 'black', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'blue', 'red', 'silver', 'silver', 'yellow', 'black', 'blue', 'white', 'white', 'white', 'silver', 'silver', 'black'] \nStep 2, identify the model of white vehicles: ['volkswagen polo', 'kia sportage', 'buick lacrosse', 'cadillac srx', 'volkswagen lavida', 'buick encore', 'mazda axela'] \nStep 3, query vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'cadillac srx': 75000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000} \nStep 4, sum the price of each white vehicle: 685000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1696
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"A) 370000. B) 50000. C) 685000. D) 153030.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'rising marvel r', 'volkswagen id.4 x', 'byd dolphin', 'kia sportage', 'buick lacrosse', 'byd dolphin', 'volkswagen magotan', 'volkswagen polo', 'kia sportage', 'lexus nx', 'ford focus', 'byd han', 'cadillac srx', 'ford focus', 'ford focus', 'tesla model 3', 'tesla model 3', 'volkswagen tayron gte', 'roewe erx5', 'vgv u70', 'nissan teana', 'volkswagen magotan', 'volkswagen magotan', 'tesla model 3', 'ford edge', 'lexus es', 'volkswagen lavida', 'buick encore', 'mazda axela', 'skoda octavia', 'skoda octavia', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000} \nStep 3, calculate the average price of all vehicles: 153030",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1697
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.7, 4.6, 4.1, 4.5, 5.0, 4.1, 5.0, 4.1, 4.5, 4.7, 4.7, 5.0, 4.9, 4.7, 4.7, 4.7, 4.7, 4.6, 4.7, 4.8, 4.9, 5.0, 5.0, 4.7, 5.0, 5.0, 4.7, 4.3, 4.7, 4.8, 4.8, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1698
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.7, 4.6, 4.1, 4.5, 5.0, 4.1, 5.0, 4.1, 4.5, 4.7, 4.7, 5.0, 4.9, 4.7, 4.7, 4.7, 4.7, 4.6, 4.7, 4.8, 4.9, 5.0, 5.0, 4.7, 5.0, 5.0, 4.7, 4.3, 4.7, 4.8, 4.8, 4.7] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1699
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4. B) 4.1. C) 4.7. D) 5.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.1, 4.7, 4.6, 4.1, 4.5, 5.0, 4.1, 5.0, 4.1, 4.5, 4.7, 4.7, 5.0, 4.9, 4.7, 4.7, 4.7, 4.7, 4.6, 4.7, 4.8, 4.9, 5.0, 5.0, 4.7, 5.0, 5.0, 4.7, 4.3, 4.7, 4.8, 4.8, 4.7] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1700
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'purple', 'blue', 'gray', 'white', 'white', 'pink', 'black', 'red', 'brown', 'silver', 'red', 'black', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'blue', 'red', 'silver', 'silver', 'yellow', 'black', 'blue', 'white', 'white', 'white', 'silver', 'silver', 'black'] \/nStep 2, count vehicles for each color: {'white': 7, 'purple': 1, 'blue': 3, 'gray': 1, 'pink': 1, 'black': 10, 'red': 3, 'brown': 1, 'silver': 5, 'yellow': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1701
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['micro-size', 'suv', 'suv', 'subcompact', 'suv', 'mid-size', 'subcompact', 'mid-size', 'micro-size', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'compact', 'compact', 'compact', 'compact'] \nStep 2, identify the color of compact vehicles: ['red', 'black', 'black', 'white', 'white', 'silver', 'silver', 'black'] \nStep 3, count compact vehicles for each color: {'red': 1, 'black': 3, 'white': 2, 'silver': 2} \nStep 4, sort to get the most common color of compact vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1702
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 43 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 33 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 43-33=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1703
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['micro-size', 'suv', 'suv', 'subcompact', 'suv', 'mid-size', 'subcompact', 'mid-size', 'micro-size', 'suv', 'suv', 'compact', 'mid-size', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'mid-size', 'mid-size', 'mid-size', 'suv', 'mid-size', 'compact', 'suv', 'compact', 'compact', 'compact', 'compact'] \/nStep 2, count all subcompact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1704
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":11,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'rising marvel r', 'volkswagen id.4 x', 'byd dolphin', 'kia sportage', 'buick lacrosse', 'byd dolphin', 'volkswagen magotan', 'volkswagen polo', 'kia sportage', 'lexus nx', 'ford focus', 'byd han', 'cadillac srx', 'ford focus', 'ford focus', 'tesla model 3', 'tesla model 3', 'volkswagen tayron gte', 'roewe erx5', 'vgv u70', 'nissan teana', 'volkswagen magotan', 'volkswagen magotan', 'tesla model 3', 'ford edge', 'lexus es', 'volkswagen lavida', 'buick encore', 'mazda axela', 'skoda octavia', 'skoda octavia', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000} \nStep 3, count vehicles priced below 100000 RMB: 11",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1705
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'purple', 'blue', 'gray', 'white', 'white', 'pink', 'black', 'red', 'brown', 'silver', 'red', 'black', 'white', 'black', 'black', 'black', 'black', 'black', 'black', 'blue', 'red', 'silver', 'silver', 'yellow', 'black', 'blue', 'white', 'white', 'white', 'silver', 'silver', 'black'] \nStep 2, identify the type of silver vehicles: ['suv', 'mid-size', 'mid-size', 'compact', 'compact'] \nStep 3, count silver suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1706
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1775.1, 1469.1], [1789.6, 2103.4], [1780.9, 1535.0], [1803.9, 1753.5], [1832.7, 2005.0], [1800.8, 1606.1], [1787.6, 1674.3], [1795.0, 1833.2], [1794.7, 2206.9], [1756.6, 1400.2], [1693.5, 1170.0], [1731.6, 1343.5], [1707.0, 1234.5], [2078.3, 1487.9], [1682.0, 1123.1], [1682.0, 1123.1], [1490.6, 1341.5], [1490.6, 1341.5], [1490.6, 1195.5], [1568.8, 169.7], [1410.3, 1939.9], [1860.6, 327.3], [1457.9, 196.8], [1457.9, 196.8], [1932.4, 460.5], [2158.2, 253.5], [2172.8, 1682.7], [1597.3, 375.2], [1995.7, 444.7], [2106.9, 410.6], [2026.0, 96.7], [2026.0, 96.7], [1796.1, 130.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.1, 10.9, 88.1], [-5.5, 25.8, 73.2], [-6.8, 12.7, 86.2], [-5.7, 18.3, 80.7], [-4.5, 23.8, 75.2], [-6.1, 14.6, 84.4], [-6.3, 16.4, 82.6], [-5.8, 20.1, 78.9], [-5.3, 27.8, 71.2], [-7.9, 8.9, 90.1], [-10.8, 1.6, 97.4], [-8.9, 7.2, 91.8], [-10.1, 3.8, 95.2], [2.5, 11.5, 87.5], [-11.4, -0.1, 99.1], [-11.4, -0.1, 99.1], [-16.9, 7.2, 91.8], [-16.9, 7.2, 91.8], [-17.7, 2.5, 96.5], [-23.5, -52.0, 151.0], [-16.3, 22.5, 76.5], [-7.0, -39.9, 138.9], [-29.1, -49.8, 148.8], [-29.1, -49.8, 148.8], [-3.2, -31.2, 130.2], [8.2, -45.3, 144.3], [5.1, 16.6, 82.4], [-19.7, -36.7, 135.7], [-0.2, -32.2, 131.2], [5.1, -34.3, 133.3], [1.5, -58.3, 157.3], [1.5, -58.3, 157.3], [-11.3, -55.3, 154.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [89.0, 77.8, 87.5, 83.0, 79.0, 85.8, 84.5, 81.6, 76.6, 90.8, 98.0, 92.5, 95.8, 88.3, 99.7, 99.7, 93.6, 93.6, 98.2, 161.4, 81.4, 144.7, 159.5, 159.5, 133.9, 151.5, 84.2, 141.9, 135.0, 137.8, 167.8, 167.8, 164.3] \/nStep 5, find the minimum distance to the drone: 76.6 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1707
+    },
+    {
+        "image":"00556e23-DJI_0474.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1775.1, 1469.1], [1789.6, 2103.4], [1780.9, 1535.0], [1803.9, 1753.5], [1832.7, 2005.0], [1800.8, 1606.1], [1787.6, 1674.3], [1795.0, 1833.2], [1794.7, 2206.9], [1756.6, 1400.2], [1693.5, 1170.0], [1731.6, 1343.5], [1707.0, 1234.5], [2078.3, 1487.9], [1682.0, 1123.1], [1682.0, 1123.1], [1490.6, 1341.5], [1490.6, 1341.5], [1490.6, 1195.5], [1568.8, 169.7], [1410.3, 1939.9], [1860.6, 327.3], [1457.9, 196.8], [1457.9, 196.8], [1932.4, 460.5], [2158.2, 253.5], [2172.8, 1682.7], [1597.3, 375.2], [1995.7, 444.7], [2106.9, 410.6], [2026.0, 96.7], [2026.0, 96.7], [1796.1, 130.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.1, 10.9, 88.1], [-5.5, 25.8, 73.2], [-6.8, 12.7, 86.2], [-5.7, 18.3, 80.7], [-4.5, 23.8, 75.2], [-6.1, 14.6, 84.4], [-6.3, 16.4, 82.6], [-5.8, 20.1, 78.9], [-5.3, 27.8, 71.2], [-7.9, 8.9, 90.1], [-10.8, 1.6, 97.4], [-8.9, 7.2, 91.8], [-10.1, 3.8, 95.2], [2.5, 11.5, 87.5], [-11.4, -0.1, 99.1], [-11.4, -0.1, 99.1], [-16.9, 7.2, 91.8], [-16.9, 7.2, 91.8], [-17.7, 2.5, 96.5], [-23.5, -52.0, 151.0], [-16.3, 22.5, 76.5], [-7.0, -39.9, 138.9], [-29.1, -49.8, 148.8], [-29.1, -49.8, 148.8], [-3.2, -31.2, 130.2], [8.2, -45.3, 144.3], [5.1, 16.6, 82.4], [-19.7, -36.7, 135.7], [-0.2, -32.2, 131.2], [5.1, -34.3, 133.3], [1.5, -58.3, 157.3], [1.5, -58.3, 157.3], [-11.3, -55.3, 154.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [89.0, 77.8, 87.5, 83.0, 79.0, 85.8, 84.5, 81.6, 76.6, 90.8, 98.0, 92.5, 95.8, 88.3, 99.7, 99.7, 93.6, 93.6, 98.2, 161.4, 81.4, 144.7, 159.5, 159.5, 133.9, 151.5, 84.2, 141.9, 135.0, 137.8, 167.8, 167.8, 164.3] \/nStep 5, find the minimum distance to the drone: 76.6 \/nStep 6, calculate the flight time of the drone: 76.6\/16=4.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":33,
+        "region":"image-level",
+        "qid":1708
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Rachel said she bought a new blue car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'blue', 'blue', 'white', 'black', 'blue', 'white', 'silver', 'gray', 'gray', 'gray', 'pink', 'black', 'black', 'purple', 'red', 'white', 'black', 'white', 'white', 'white', 'red', 'black', 'white', 'gray', 'white', 'white', 'black', 'red', 'white', 'gray', 'silver', 'white', 'white', 'white', 'black', 'white', 'blue', 'gray', 'black'] \/nStep 2, there is an blue car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1709
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 80. B) 40. C) 70. D) 20.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1710
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"A) 70. B) 30. C) 45. D) 90.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1711
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 23197. B) 33197. C) 28197. D) 23697.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1712
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":6720000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, sum the price of each vehicle: 6720000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1713
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"A) 30000. B) 163902. C) 675000. D) 115000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, calculate the average price of all vehicles: 163902",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1714
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"A) 30000. B) 115000. C) 675000. D) 163902.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, calculate the median price of all vehicles: 115000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1715
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"A) 675000. B) 163902. C) 30000. D) 115000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, calculate the maximum price of all vehicles: 675000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1716
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, calculate the minimum price of all vehicles: 30000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1717
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'blue', 'blue', 'white', 'black', 'blue', 'white', 'silver', 'gray', 'gray', 'gray', 'pink', 'black', 'black', 'purple', 'red', 'white', 'black', 'white', 'white', 'white', 'red', 'black', 'white', 'gray', 'white', 'white', 'black', 'red', 'white', 'gray', 'silver', 'white', 'white', 'white', 'black', 'white', 'blue', 'gray', 'black'] \/nStep 2, count vehicles for each color: {'white': 15, 'brown': 1, 'blue': 4, 'black': 8, 'silver': 2, 'gray': 6, 'pink': 1, 'purple': 1, 'red': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1718
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) orange. B) green. C) white. D) pink.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['micro-size', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'mid-size', 'suv', 'subcompact', 'subcompact', 'suv', 'subcompact', 'full-size', 'mid-size', 'suv', 'compact', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'micro-size', 'mid-size', 'suv', 'suv', 'compact', 'mid-size', 'compact', 'suv', 'suv', 'compact', 'crossover', 'compact', 'mid-size', 'compact', 'suv', 'compact', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of suv vehicles: ['brown', 'blue', 'blue', 'white', 'blue', 'silver', 'gray', 'purple', 'white', 'white', 'white', 'white', 'gray', 'red', 'white', 'black'] \nStep 3, count suv vehicles for each color: {'brown': 1, 'blue': 3, 'white': 6, 'silver': 1, 'gray': 2, 'purple': 1, 'red': 1, 'black': 1} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1719
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 49 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 41 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 49-41=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1720
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'blue', 'blue', 'white', 'black', 'blue', 'white', 'silver', 'gray', 'gray', 'gray', 'pink', 'black', 'black', 'purple', 'red', 'white', 'black', 'white', 'white', 'white', 'red', 'black', 'white', 'gray', 'white', 'white', 'black', 'red', 'white', 'gray', 'silver', 'white', 'white', 'white', 'black', 'white', 'blue', 'gray', 'black'] \/nStep 2, count all blue vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1721
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":40,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen polo', 'kia sportage', 'volkswagen id.4 x', 'volkswagen id.4 x', 'cadillac srx', 'ford focus', 'vgv u70', 'buick lacrosse', 'lexus nx', 'byd dolphin', 'byd dolphin', 'byd tang', 'byd dolphin', 'volvo s90', 'byd han', 'rising marvel r', 'ford focus', 'ford focus', 'volkswagen magotan', 'kia sportage', 'ford edge', 'bmw x5', 'volkswagen polo', 'tesla model 3', 'skoda yeti', 'byd song pro', 'byd qin', 'audi a4l', 'peugeot 408', 'toyota yaris l', 'bmw x3', 'buick excelle', 'toyota rav4', 'ford focus', 'peugeot 508l', 'kia k3', 'volkswagen tayron gte', 'volkswagen sagitar', 'lexus es', 'hyundai sonata', 'tesla model 3'] \nStep 2, query all vehicle prices: {'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000} \nStep 3, count vehicles priced below 500000 RMB: 40",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1722
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many red crossover vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) -1. C) 1. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'blue', 'blue', 'white', 'black', 'blue', 'white', 'silver', 'gray', 'gray', 'gray', 'pink', 'black', 'black', 'purple', 'red', 'white', 'black', 'white', 'white', 'white', 'red', 'black', 'white', 'gray', 'white', 'white', 'black', 'red', 'white', 'gray', 'silver', 'white', 'white', 'white', 'black', 'white', 'blue', 'gray', 'black'] \nStep 2, identify the type of red vehicles: ['compact', 'micro-size', 'suv'] \nStep 3, count red crossover vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1723
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What type is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2154.8, 1318.0], [2147.3, 1375.4], [2167.3, 1258.1], [2167.3, 1258.1], [1897.1, 1224.4], [2116.4, 1719.7], [2540.8, 1069.1], [2173.0, 1201.2], [2126.5, 1641.9], [2214.6, 1099.9], [2214.6, 1099.9], [2390.3, 761.3], [2203.4, 1150.5], [2362.0, 808.6], [2134.7, 1572.6], [2297.5, 913.3], [2151.2, 1443.6], [2677.1, 880.7], [2236.5, 1055.5], [2250.7, 956.1], [2744.5, 519.1], [2915.9, 631.8], [2311.1, 867.2], [2387.3, 1531.5], [2431.8, 684.6], [2574.0, 567.9], [2833.1, 707.6], [2540.6, 601.2], [2970.7, 388.8], [2763.7, 776.7], [2501.2, 627.2], [2560.3, 425.3], [3267.7, 543.3], [2914.2, 400.2], [3202.4, 423.7], [2799.4, 396.5], [2357.6, 1707.3], [2688.1, 396.3], [1909.8, 1071.8], [2878.5, 519.8], [2459.1, 655.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.2, 6.4, 92.6], [4.8, 8.2, 90.8], [5.7, 4.5, 94.5], [5.7, 4.5, 94.5], [-3.5, 3.4, 95.6], [3.4, 17.5, 81.5], [19.7, -2.0, 101.0], [6.0, 2.6, 96.3], [3.8, 15.5, 83.4], [7.7, -0.9, 99.9], [7.7, -0.9, 99.9], [16.0, -14.9, 113.9], [7.2, 0.9, 98.1], [14.6, -12.7, 111.7], [4.1, 13.8, 85.2], [11.5, -8.2, 107.2], [4.8, 10.2, 88.8], [26.5, -9.6, 108.6], [8.7, -2.5, 101.5], [9.5, -6.4, 105.4], [34.0, -27.7, 126.7], [39.7, -21.4, 120.4], [12.2, -10.1, 109.1], [12.1, 12.7, 86.3], [18.3, -18.7, 117.7], [25.6, -24.9, 123.9], [35.0, -17.5, 116.5], [23.8, -23.0, 122.0], [47.1, -35.8, 134.7], [31.2, -14.2, 113.2], [21.8, -21.6, 120.6], [26.7, -33.4, 132.4], [57.2, -26.3, 125.3], [44.2, -35.0, 134.0], [57.4, -33.5, 132.5], [38.7, -35.2, 134.2], [10.5, 17.2, 81.8], [33.3, -35.3, 134.3], [-3.3, -1.9, 100.9], [40.1, -27.6, 126.6], [19.7, -20.2, 119.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [92.9, 91.3, 94.7, 94.7, 95.7, 83.4, 103.0, 96.6, 85.0, 100.2, 100.2, 116.0, 98.4, 113.4, 86.4, 108.1, 89.5, 112.1, 101.9, 106.0, 134.0, 128.6, 110.3, 88.1, 120.5, 128.9, 122.9, 126.4, 147.2, 118.3, 124.5, 139.1, 140.2, 145.4, 148.2, 144.1, 84.3, 142.7, 101.0, 135.6, 122.5] \/nStep 5, find the maximum distance to the drone: 148.2 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1724
+    },
+    {
+        "image":"967dbd58-DJI_0479.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":14.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2154.8, 1318.0], [2147.3, 1375.4], [2167.3, 1258.1], [2167.3, 1258.1], [1897.1, 1224.4], [2116.4, 1719.7], [2540.8, 1069.1], [2173.0, 1201.2], [2126.5, 1641.9], [2214.6, 1099.9], [2214.6, 1099.9], [2390.3, 761.3], [2203.4, 1150.5], [2362.0, 808.6], [2134.7, 1572.6], [2297.5, 913.3], [2151.2, 1443.6], [2677.1, 880.7], [2236.5, 1055.5], [2250.7, 956.1], [2744.5, 519.1], [2915.9, 631.8], [2311.1, 867.2], [2387.3, 1531.5], [2431.8, 684.6], [2574.0, 567.9], [2833.1, 707.6], [2540.6, 601.2], [2970.7, 388.8], [2763.7, 776.7], [2501.2, 627.2], [2560.3, 425.3], [3267.7, 543.3], [2914.2, 400.2], [3202.4, 423.7], [2799.4, 396.5], [2357.6, 1707.3], [2688.1, 396.3], [1909.8, 1071.8], [2878.5, 519.8], [2459.1, 655.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.2, 6.4, 92.6], [4.8, 8.2, 90.8], [5.7, 4.5, 94.5], [5.7, 4.5, 94.5], [-3.5, 3.4, 95.6], [3.4, 17.5, 81.5], [19.7, -2.0, 101.0], [6.0, 2.6, 96.3], [3.8, 15.5, 83.4], [7.7, -0.9, 99.9], [7.7, -0.9, 99.9], [16.0, -14.9, 113.9], [7.2, 0.9, 98.1], [14.6, -12.7, 111.7], [4.1, 13.8, 85.2], [11.5, -8.2, 107.2], [4.8, 10.2, 88.8], [26.5, -9.6, 108.6], [8.7, -2.5, 101.5], [9.5, -6.4, 105.4], [34.0, -27.7, 126.7], [39.7, -21.4, 120.4], [12.2, -10.1, 109.1], [12.1, 12.7, 86.3], [18.3, -18.7, 117.7], [25.6, -24.9, 123.9], [35.0, -17.5, 116.5], [23.8, -23.0, 122.0], [47.1, -35.8, 134.7], [31.2, -14.2, 113.2], [21.8, -21.6, 120.6], [26.7, -33.4, 132.4], [57.2, -26.3, 125.3], [44.2, -35.0, 134.0], [57.4, -33.5, 132.5], [38.7, -35.2, 134.2], [10.5, 17.2, 81.8], [33.3, -35.3, 134.3], [-3.3, -1.9, 100.9], [40.1, -27.6, 126.6], [19.7, -20.2, 119.2]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [92.9, 91.3, 94.7, 94.7, 95.7, 83.4, 103.0, 96.6, 85.0, 100.2, 100.2, 116.0, 98.4, 113.4, 86.4, 108.1, 89.5, 112.1, 101.9, 106.0, 134.0, 128.6, 110.3, 88.1, 120.5, 128.9, 122.9, 126.4, 147.2, 118.3, 124.5, 139.1, 140.2, 145.4, 148.2, 144.1, 84.3, 142.7, 101.0, 135.6, 122.5] \/nStep 5, find the maximum distance to the drone: 148.2 \/nStep 6, calculate the flight time of the drone: 148.2\/10=14.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1725
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Rachel said she bought a new orange car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'white', 'gray', 'purple', 'black', 'silver', 'blue', 'white', 'black', 'black', 'black', 'silver', 'silver', 'yellow', 'pink', 'black', 'blue', 'brown', 'white', 'silver', 'red', 'white', 'white', 'blue', 'red', 'gray', 'red', 'brown', 'brown', 'black', 'black', 'black'] \/nStep 2, there is no orange car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1726
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 70. B) 110. C) 100. D) 40.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1727
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1728
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 62284. B) 59284. C) 57284. D) 57784.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1729
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":6200000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'mazda axela', 'ford focus', 'byd song plus', 'audi q5 e-tron', 'volkswagen polo', 'cadillac srx', 'volvo s90', 'volvo s90', 'skoda octavia', 'kia sportage', 'byd tang', 'rising marvel r', 'tesla model 3', 'lexus nx', 'vgv u70', 'buick encore', 'volkswagen tayron gte', 'volkswagen tayron gte', 'ford edge', 'toyota vios', 'toyota vios', 'tesla model 3', 'byd dolphin', 'volkswagen magotan', 'volkswagen id.4 x', 'skoda octavia', 'buick lacrosse', 'volkswagen magotan', 'ford focus', 'changan cs35', 'skoda yeti', 'lexus es', 'nissan teana', 'byd dolphin', 'volkswagen polo', 'kia sportage', 'kia sportage', 'ford focus', 'roewe erx5', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000} \nStep 3, sum the price of each vehicle: 6200000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1730
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'white', 'gray', 'purple', 'black', 'silver', 'blue', 'white', 'black', 'black', 'black', 'silver', 'silver', 'yellow', 'pink', 'black', 'blue', 'brown', 'white', 'silver', 'red', 'white', 'white', 'blue', 'red', 'gray', 'red', 'brown', 'brown', 'black', 'black', 'black'] \nStep 2, identify the model of blue vehicles: ['vgv u70', 'volkswagen id.4 x', 'lexus es'] \nStep 3, query vehicle prices: {'vgv u70': 95000, 'volkswagen id.4 x': 190000, 'lexus es': 340000} \nStep 4, sum the price of each blue vehicle: 625000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1731
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 4.8, 4.9, 4.1, 4.9, 5.1, 5.1, 4.8, 4.5, 4.9, 4.7, 4.7, 4.7, 4.8, 4.3, 4.6, 4.6, 5.0, 4.4, 4.4, 4.7, 4.1, 5.0, 4.6, 4.8, 5.0, 5.0, 4.7, 4.2, 4.3, 5.0, 4.9, 4.1, 4.1, 4.5, 4.5, 4.7, 4.7, 4.7] \nStep 5, calculate the average length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1732
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 4.8, 4.9, 4.1, 4.9, 5.1, 5.1, 4.8, 4.5, 4.9, 4.7, 4.7, 4.7, 4.8, 4.3, 4.6, 4.6, 5.0, 4.4, 4.4, 4.7, 4.1, 5.0, 4.6, 4.8, 5.0, 5.0, 4.7, 4.2, 4.3, 5.0, 4.9, 4.1, 4.1, 4.5, 4.5, 4.7, 4.7, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1733
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":370000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'mazda axela', 'ford focus', 'byd song plus', 'audi q5 e-tron', 'volkswagen polo', 'cadillac srx', 'volvo s90', 'volvo s90', 'skoda octavia', 'kia sportage', 'byd tang', 'rising marvel r', 'tesla model 3', 'lexus nx', 'vgv u70', 'buick encore', 'volkswagen tayron gte', 'volkswagen tayron gte', 'ford edge', 'toyota vios', 'toyota vios', 'tesla model 3', 'byd dolphin', 'volkswagen magotan', 'volkswagen id.4 x', 'skoda octavia', 'buick lacrosse', 'volkswagen magotan', 'ford focus', 'changan cs35', 'skoda yeti', 'lexus es', 'nissan teana', 'byd dolphin', 'volkswagen polo', 'kia sportage', 'kia sportage', 'ford focus', 'roewe erx5', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000} \nStep 3, calculate the maximum price of all vehicles: 370000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1734
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 4.8, 4.9, 4.1, 4.9, 5.1, 5.1, 4.8, 4.5, 4.9, 4.7, 4.7, 4.7, 4.8, 4.3, 4.6, 4.6, 5.0, 4.4, 4.4, 4.7, 4.1, 5.0, 4.6, 4.8, 5.0, 5.0, 4.7, 4.2, 4.3, 5.0, 4.9, 4.1, 4.1, 4.5, 4.5, 4.7, 4.7, 4.7] \nStep 5, find the minimum length of all vehicles: 4.1",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1735
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) green. B) golden. C) white. D) gray.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'white', 'gray', 'purple', 'black', 'silver', 'blue', 'white', 'black', 'black', 'black', 'silver', 'silver', 'yellow', 'pink', 'black', 'blue', 'brown', 'white', 'silver', 'red', 'white', 'white', 'blue', 'red', 'gray', 'red', 'brown', 'brown', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'white': 11, 'gray': 3, 'black': 10, 'silver': 5, 'purple': 1, 'blue': 3, 'yellow': 1, 'pink': 1, 'brown': 3, 'red': 3}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1736
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of subcompact vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"silver",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'suv', 'micro-size', 'suv', 'full-size', 'full-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'subcompact', 'subcompact', 'mid-size', 'subcompact', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'subcompact', 'micro-size', 'suv', 'suv', 'compact', 'suv', 'compact'] \nStep 2, identify the color of subcompact vehicles: ['silver', 'silver', 'pink', 'gray'] \nStep 3, count subcompact vehicles for each color: {'silver': 2, 'pink': 1, 'gray': 1} \nStep 4, sort to get the most common color of subcompact vehicle: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1737
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 33 cars in this area an hour ago, how many cars have entered this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 41 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 41-33=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1738
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 6. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'suv', 'micro-size', 'suv', 'full-size', 'full-size', 'compact', 'suv', 'suv', 'suv', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'subcompact', 'subcompact', 'mid-size', 'subcompact', 'mid-size', 'suv', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mid-size', 'mid-size', 'subcompact', 'micro-size', 'suv', 'suv', 'compact', 'suv', 'compact'] \/nStep 2, count all subcompact vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1739
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":15,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen lavida', 'mazda axela', 'ford focus', 'byd song plus', 'audi q5 e-tron', 'volkswagen polo', 'cadillac srx', 'volvo s90', 'volvo s90', 'skoda octavia', 'kia sportage', 'byd tang', 'rising marvel r', 'tesla model 3', 'lexus nx', 'vgv u70', 'buick encore', 'volkswagen tayron gte', 'volkswagen tayron gte', 'ford edge', 'toyota vios', 'toyota vios', 'tesla model 3', 'byd dolphin', 'volkswagen magotan', 'volkswagen id.4 x', 'skoda octavia', 'buick lacrosse', 'volkswagen magotan', 'ford focus', 'changan cs35', 'skoda yeti', 'lexus es', 'nissan teana', 'byd dolphin', 'volkswagen polo', 'kia sportage', 'kia sportage', 'ford focus', 'roewe erx5', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000} \nStep 3, count vehicles priced below 100000 RMB: 15",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1740
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many silver subcompact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'white', 'white', 'gray', 'white', 'white', 'white', 'black', 'black', 'silver', 'white', 'gray', 'purple', 'black', 'silver', 'blue', 'white', 'black', 'black', 'black', 'silver', 'silver', 'yellow', 'pink', 'black', 'blue', 'brown', 'white', 'silver', 'red', 'white', 'white', 'blue', 'red', 'gray', 'red', 'brown', 'brown', 'black', 'black', 'black'] \nStep 2, identify the type of silver vehicles: ['compact', 'suv', 'subcompact', 'subcompact', 'mid-size'] \nStep 3, count silver subcompact vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1741
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1782.3, 1788.2], [1933.5, 1396.1], [3837.9, 2075.0], [1768.6, 1739.2], [1747.4, 1648.8], [3127.2, 1754.0], [3119.2, 1579.6], [3763.4, 1815.7], [3763.4, 1815.7], [1365.8, 1389.0], [3529.0, 1756.5], [3827.9, 1826.9], [3596.6, 1781.1], [3025.9, 1925.8], [2857.8, 1781.8], [3537.5, 1985.3], [1948.5, 1479.1], [2879.1, 1923.5], [2879.1, 1923.5], [1694.0, 1325.0], [2011.5, 1666.9], [2011.5, 1666.9], [1966.1, 1532.1], [3300.2, 1760.8], [3413.3, 1767.6], [3184.2, 1748.6], [2001.0, 1618.8], [3239.8, 1745.2], [1385.4, 1914.9], [3018.1, 1772.6], [1869.0, 1170.8], [3958.0, 1847.4], [3263.2, 1556.2], [1735.0, 1565.2], [3358.9, 1759.3], [3659.3, 1788.6], [3074.5, 1759.1], [3074.5, 1759.1], [2799.9, 1788.4], [1367.1, 1803.2], [1356.5, 1588.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.9, 30.0, 125.6], [-3.4, 13.8, 141.7], [76.8, 39.7, 115.9], [-10.6, 28.2, 127.4], [-11.9, 24.7, 130.9], [51.5, 28.7, 126.8], [53.9, 21.9, 133.7], [79.2, 31.0, 124.6], [79.2, 31.0, 124.6], [-32.5, 13.5, 142.0], [69.8, 28.8, 126.7], [81.8, 31.4, 124.2], [72.4, 29.8, 125.8], [44.6, 34.8, 120.7], [38.9, 29.8, 125.8], [65.8, 36.8, 118.7], [-2.6, 17.6, 138.0], [38.3, 34.8, 120.8], [38.3, 34.8, 120.8], [-16.0, 10.5, 145.1], [0.5, 25.4, 130.1], [0.5, 25.4, 130.1], [-1.7, 19.9, 135.7], [59.3, 29.0, 126.6], [64.3, 29.3, 126.3], [54.2, 28.5, 127.0], [0.0, 23.5, 132.1], [56.8, 28.4, 127.1], [-26.8, 34.5, 121.1], [46.3, 29.4, 126.1], [-7.2, 2.5, 153.0], [87.1, 32.1, 123.4], [61.3, 20.9, 134.6], [-12.8, 21.3, 134.3], [62.0, 28.9, 126.6], [75.1, 30.0, 125.5], [49.0, 28.9, 126.6], [49.0, 28.9, 126.6], [36.2, 30.0, 125.5], [-28.5, 30.6, 125.0], [-30.9, 22.3, 133.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [129.5, 142.4, 144.6, 130.9, 133.7, 139.9, 145.8, 150.8, 150.8, 146.3, 147.5, 152.0, 148.2, 133.3, 135.0, 140.7, 139.1, 131.4, 131.4, 146.4, 132.6, 132.6, 137.1, 142.7, 144.7, 141.0, 134.1, 142.1, 128.7, 137.5, 153.2, 154.4, 149.4, 136.5, 143.9, 149.3, 138.8, 138.8, 134.1, 131.8, 138.6] \/nStep 5, find the minimum distance to the drone: 128.7 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1742
+    },
+    {
+        "image":"9d2e1eda-DJI_0483.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":12.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1782.3, 1788.2], [1933.5, 1396.1], [3837.9, 2075.0], [1768.6, 1739.2], [1747.4, 1648.8], [3127.2, 1754.0], [3119.2, 1579.6], [3763.4, 1815.7], [3763.4, 1815.7], [1365.8, 1389.0], [3529.0, 1756.5], [3827.9, 1826.9], [3596.6, 1781.1], [3025.9, 1925.8], [2857.8, 1781.8], [3537.5, 1985.3], [1948.5, 1479.1], [2879.1, 1923.5], [2879.1, 1923.5], [1694.0, 1325.0], [2011.5, 1666.9], [2011.5, 1666.9], [1966.1, 1532.1], [3300.2, 1760.8], [3413.3, 1767.6], [3184.2, 1748.6], [2001.0, 1618.8], [3239.8, 1745.2], [1385.4, 1914.9], [3018.1, 1772.6], [1869.0, 1170.8], [3958.0, 1847.4], [3263.2, 1556.2], [1735.0, 1565.2], [3358.9, 1759.3], [3659.3, 1788.6], [3074.5, 1759.1], [3074.5, 1759.1], [2799.9, 1788.4], [1367.1, 1803.2], [1356.5, 1588.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-9.9, 30.0, 125.6], [-3.4, 13.8, 141.7], [76.8, 39.7, 115.9], [-10.6, 28.2, 127.4], [-11.9, 24.7, 130.9], [51.5, 28.7, 126.8], [53.9, 21.9, 133.7], [79.2, 31.0, 124.6], [79.2, 31.0, 124.6], [-32.5, 13.5, 142.0], [69.8, 28.8, 126.7], [81.8, 31.4, 124.2], [72.4, 29.8, 125.8], [44.6, 34.8, 120.7], [38.9, 29.8, 125.8], [65.8, 36.8, 118.7], [-2.6, 17.6, 138.0], [38.3, 34.8, 120.8], [38.3, 34.8, 120.8], [-16.0, 10.5, 145.1], [0.5, 25.4, 130.1], [0.5, 25.4, 130.1], [-1.7, 19.9, 135.7], [59.3, 29.0, 126.6], [64.3, 29.3, 126.3], [54.2, 28.5, 127.0], [0.0, 23.5, 132.1], [56.8, 28.4, 127.1], [-26.8, 34.5, 121.1], [46.3, 29.4, 126.1], [-7.2, 2.5, 153.0], [87.1, 32.1, 123.4], [61.3, 20.9, 134.6], [-12.8, 21.3, 134.3], [62.0, 28.9, 126.6], [75.1, 30.0, 125.5], [49.0, 28.9, 126.6], [49.0, 28.9, 126.6], [36.2, 30.0, 125.5], [-28.5, 30.6, 125.0], [-30.9, 22.3, 133.3]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [129.5, 142.4, 144.6, 130.9, 133.7, 139.9, 145.8, 150.8, 150.8, 146.3, 147.5, 152.0, 148.2, 133.3, 135.0, 140.7, 139.1, 131.4, 131.4, 146.4, 132.6, 132.6, 137.1, 142.7, 144.7, 141.0, 134.1, 142.1, 128.7, 137.5, 153.2, 154.4, 149.4, 136.5, 143.9, 149.3, 138.8, 138.8, 134.1, 131.8, 138.6] \/nStep 5, find the minimum distance to the drone: 128.7 \/nStep 6, calculate the flight time of the drone: 128.7\/10=12.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":41,
+        "region":"image-level",
+        "qid":1743
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Monica said she bought a new golden car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'gray', 'white', 'black', 'white', 'gray', 'white'] \/nStep 2, there is no golden car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1744
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 120. B) 80. C) 70. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1745
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters.",
+        "choices":"A) 30. B) 60. C) 70. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1746
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":7249,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-65.2, -36.7, 90.5], [40.5, 22.7, 56.1], [-40.5, 22.7, 56.1], [65.2, -36.7, 90.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7249",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1747
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"A) 66. B) 44. C) 397. D) 1325000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'byd song', 'volkswagen id.4 crozz', 'lexus nx', 'buick lacrosse', 'honda fit', 'byd qin plus', 'changan lumin'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000} \nStep 3, sum the price of each vehicle: 1325000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1748
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"A) 190000. B) 147500. C) 295000. D) 105000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'gray', 'white', 'black', 'white', 'gray', 'white'] \nStep 2, identify the model of gray vehicles: ['volkswagen id.4 crozz', 'byd qin plus'] \nStep 3, query vehicle prices: {'volkswagen id.4 crozz': 190000, 'byd qin plus': 105000} \nStep 4, sum the price of each gray vehicle: 295000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1749
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.6, 4.7, 5.0, 4.1, 4.8, 3.3] \nStep 5, calculate the average length of all vehicles: 4.5",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1750
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4. B) 35.7. C) 4.6. D) 3.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.6, 4.7, 5.0, 4.1, 4.8, 3.3] \nStep 5, find the median length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1751
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"",
+        "answer":370000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'byd song', 'volkswagen id.4 crozz', 'lexus nx', 'buick lacrosse', 'honda fit', 'byd qin plus', 'changan lumin'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000} \nStep 3, calculate the maximum price of all vehicles: 370000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1752
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"A) 370000. B) 137500. C) 55000. D) 295000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'byd song', 'volkswagen id.4 crozz', 'lexus nx', 'buick lacrosse', 'honda fit', 'byd qin plus', 'changan lumin'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000} \nStep 3, calculate the minimum price of all vehicles: 55000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1753
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'gray', 'white', 'black', 'white', 'gray', 'white'] \/nStep 2, count vehicles for each color: {'silver': 1, 'white': 4, 'gray': 2, 'black': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1754
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'suv', 'suv', 'mid-size', 'subcompact', 'compact', 'micro-size'] \nStep 2, identify the color of suv vehicles: ['silver', 'white', 'gray', 'white'] \nStep 3, count suv vehicles for each color: {'silver': 1, 'white': 2, 'gray': 1} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1755
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 8 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-8=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1756
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'suv', 'suv', 'mid-size', 'subcompact', 'compact', 'micro-size'] \/nStep 2, count all compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1757
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volvo xc60', 'byd song', 'volkswagen id.4 crozz', 'lexus nx', 'buick lacrosse', 'honda fit', 'byd qin plus', 'changan lumin'] \nStep 2, query all vehicle prices: {'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1758
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 2. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'white', 'gray', 'white', 'black', 'white', 'gray', 'white'] \nStep 2, identify the type of silver vehicles: ['suv'] \nStep 3, count silver suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1759
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"suv",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1766.8, 1815.0], [1882.1, 1191.2], [1733.5, 830.6], [1680.0, 1032.1], [1776.6, 635.9], [1872.0, 200.3], [1809.7, 459.5], [1845.9, 325.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.1, 15.1, 60.6], [-2.9, 1.6, 68.3], [-7.1, -7.8, 73.8], [-8.1, -2.4, 70.6], [-6.2, -13.6, 77.1], [-4.0, -28.6, 85.8], [-5.5, -19.3, 80.4], [-4.6, -23.9, 83.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [62.6, 68.4, 74.6, 71.2, 78.6, 90.5, 82.9, 86.6] \/nStep 5, find the minimum distance to the drone: 62.6 \/nStep 6, identify the type of this vehicle: suv",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1760
+    },
+    {
+        "image":"97808111-DJI_0519.JPG",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 6.3. B) 11. C) 9.5. D) 10.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1766.8, 1815.0], [1882.1, 1191.2], [1733.5, 830.6], [1680.0, 1032.1], [1776.6, 635.9], [1872.0, 200.3], [1809.7, 459.5], [1845.9, 325.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-5.1, 15.1, 60.6], [-2.9, 1.6, 68.3], [-7.1, -7.8, 73.8], [-8.1, -2.4, 70.6], [-6.2, -13.6, 77.1], [-4.0, -28.6, 85.8], [-5.5, -19.3, 80.4], [-4.6, -23.9, 83.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [62.6, 68.4, 74.6, 71.2, 78.6, 90.5, 82.9, 86.6] \/nStep 5, find the minimum distance to the drone: 62.6 \/nStep 6, calculate the flight time of the drone: 62.6\/10=6.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1761
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new white car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'black', 'white'] \/nStep 2, there is an white car here, so it may be Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1762
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"20",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1763
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1764
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1765
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"A) 26. B) 235. C) 157. D) 785000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'tesla model y', 'byd qin plus'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000} \nStep 3, sum the price of each vehicle: 785000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1766
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":196250,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'tesla model y', 'byd qin plus'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000} \nStep 3, calculate the average price of all vehicles: 196250",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1767
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"A) 305000. B) 187500. C) 196250. D) 105000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'tesla model y', 'byd qin plus'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000} \nStep 3, calculate the median price of all vehicles: 187500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1768
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'tesla model y', 'byd qin plus'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000} \nStep 3, calculate the maximum price of all vehicles: 305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1769
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.9, 4.8, 4.8] \nStep 5, find the minimum length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1770
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) pink. C) red. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'black', 'white'] \/nStep 2, count vehicles for each color: {'gray': 1, 'white': 2, 'black': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1771
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) pink. C) golden. D) white.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'compact'] \nStep 2, identify the color of suv vehicles: ['gray'] \nStep 3, count suv vehicles for each color: {'gray': 1} \nStep 4, sort to get the most common color of suv vehicle: gray",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1772
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-4=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1773
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 1. C) 2. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mid-size', 'compact'] \/nStep 2, count all compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1774
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"A) 6. B) 5. C) 4. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'tesla model y', 'byd qin plus'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000} \nStep 3, count vehicles priced below 300000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1775
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many white mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'black', 'white'] \nStep 2, identify the type of white vehicles: ['mid-size', 'compact'] \nStep 3, count white mid-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1776
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"tesla",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2221.6, 1333.4], [1972.9, 1461.4], [3147.3, 758.7], [2463.3, 1180.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.8, 1.7, 22.1], [-0.2, 2.6, 21.6], [10.3, -3.3, 25.0], [3.8, 0.5, 22.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.3, 21.7, 27.3, 23.2] \/nStep 5, find the maximum distance to the drone: 27.3 \/nStep 6, identify the brand of this vehicle: tesla",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1777
+    },
+    {
+        "image":"8563ced3-DJI_0537.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2221.6, 1333.4], [1972.9, 1461.4], [3147.3, 758.7], [2463.3, 1180.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[1.8, 1.7, 22.1], [-0.2, 2.6, 21.6], [10.3, -3.3, 25.0], [3.8, 0.5, 22.8]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [22.3, 21.7, 27.3, 23.2] \/nStep 5, find the maximum distance to the drone: 27.3 \/nStep 6, calculate the flight time of the drone: 27.3\/10=2.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1778
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Phoebe said she bought a new gray car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'gray', 'black', 'black'] \/nStep 2, there is an gray car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1779
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"A) 30. B) 110. C) 60. D) 70.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1780
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1781
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 23197. B) 33197. C) 24197. D) 28197.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1782
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":1125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'byd qin plus', 'ford ecosport', 'tesla model y', 'tesla model y'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000} \nStep 3, sum the price of each vehicle: 1125000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1783
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are gray vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'gray', 'black', 'black'] \nStep 2, identify the model of gray vehicles: ['byd song plus', 'ford ecosport'] \nStep 3, query vehicle prices: {'byd song plus': 155000, 'ford ecosport': 35000} \nStep 4, sum the price of each gray vehicle: 190000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1784
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.9, 4.8, 4.3, 4.8, 4.8] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1785
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.9, 4.8, 4.3, 4.8, 4.8] \nStep 5, find the median length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1786
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"A) 187500. B) 187500. C) 305000. D) 35000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'byd qin plus', 'ford ecosport', 'tesla model y', 'tesla model y'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000} \nStep 3, calculate the maximum price of all vehicles: 305000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1787
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":35000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'byd qin plus', 'ford ecosport', 'tesla model y', 'tesla model y'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000} \nStep 3, calculate the minimum price of all vehicles: 35000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1788
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of compact vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) orange. C) white. D) blue.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size'] \nStep 2, identify the color of compact vehicles: ['white'] \nStep 3, count compact vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of compact vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1789
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 7. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 8-6=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1790
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'compact', 'suv', 'mid-size', 'mid-size'] \/nStep 2, count all compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1791
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['byd song plus', 'mercedes-benz c-class', 'byd qin plus', 'ford ecosport', 'tesla model y', 'tesla model y'] \nStep 2, query all vehicle prices: {'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000} \nStep 3, count vehicles priced above 300000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1792
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many gray mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['gray', 'white', 'white', 'gray', 'black', 'black'] \nStep 2, identify the type of gray vehicles: ['suv', 'suv'] \nStep 3, count gray mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1793
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1155.3, 1685.9], [1186.5, 1751.5], [1126.5, 1621.5], [856.9, 1032.9], [1033.9, 1446.1], [1033.9, 1446.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-25.1, 16.6, 82.3], [-23.7, 18.2, 80.8], [-26.4, 15.0, 84.0], [-42.2, -3.4, 102.4], [-30.9, 10.3, 88.7], [-30.9, 10.3, 88.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [87.7, 86.1, 89.3, 110.8, 94.5, 94.5] \/nStep 5, find the minimum distance to the drone: 86.1 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1794
+    },
+    {
+        "image":"61f2c405-DJI_0553.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 13. B) 7.2. C) 11.5. D) 12.5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1155.3, 1685.9], [1186.5, 1751.5], [1126.5, 1621.5], [856.9, 1032.9], [1033.9, 1446.1], [1033.9, 1446.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-25.1, 16.6, 82.3], [-23.7, 18.2, 80.8], [-26.4, 15.0, 84.0], [-42.2, -3.4, 102.4], [-30.9, 10.3, 88.7], [-30.9, 10.3, 88.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [87.7, 86.1, 89.3, 110.8, 94.5, 94.5] \/nStep 5, find the minimum distance to the drone: 86.1 \/nStep 6, calculate the flight time of the drone: 86.1\/12=7.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1795
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new red car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'red', 'black', 'white'] \/nStep 2, there is an red car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1796
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1797
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 45. B) 30. C) 90. D) 80.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1798
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":1869,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1799
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000}",
+        "choices":"",
+        "answer":1000000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['changan cs75', 'hyundai lafesta', 'chevrolet equinox', 'toyota carola', 'audi a6l', 'buick velite 6'] \nStep 2, query all vehicle prices: {'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000} \nStep 3, sum the price of each vehicle: 1000000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1800
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000}",
+        "choices":"",
+        "answer":180000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'red', 'black', 'white'] \nStep 2, identify the model of white vehicles: ['changan cs75', 'buick velite 6'] \nStep 3, query vehicle prices: {'changan cs75': 80000, 'buick velite 6': 100000} \nStep 4, sum the price of each white vehicle: 180000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1801
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.6, 4.6, 5.0, 4.7] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1802
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000}",
+        "choices":"A) 122500. B) 166666. C) 80000. D) 430000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['changan cs75', 'hyundai lafesta', 'chevrolet equinox', 'toyota carola', 'audi a6l', 'buick velite 6'] \nStep 2, query all vehicle prices: {'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000} \nStep 3, calculate the median price of all vehicles: 122500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1803
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000}",
+        "choices":"",
+        "answer":430000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['changan cs75', 'hyundai lafesta', 'chevrolet equinox', 'toyota carola', 'audi a6l', 'buick velite 6'] \nStep 2, query all vehicle prices: {'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000} \nStep 3, calculate the maximum price of all vehicles: 430000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1804
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.6, 4.6, 5.0, 4.7] \nStep 5, find the minimum length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1805
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-6=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1806
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many blue vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'red', 'black', 'white'] \/nStep 2, count all blue vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1807
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000}",
+        "choices":"A) 2. B) 4. C) 5. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['changan cs75', 'hyundai lafesta', 'chevrolet equinox', 'toyota carola', 'audi a6l', 'buick velite 6'] \nStep 2, query all vehicle prices: {'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'toyota carola': 95000, 'audi a6l': 430000, 'buick velite 6': 100000} \nStep 3, count vehicles priced below 100000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1808
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 0. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'blue', 'red', 'red', 'black', 'white'] \nStep 2, identify the type of blue vehicles: ['compact'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1809
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"audi",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1471.4, 623.4], [1472.8, 436.7], [1491.4, 2016.5], [1495.7, 2192.8], [1511.9, 1138.8], [1456.3, 77.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.6, -7.2, 40.0], [-7.6, -9.9, 40.0], [-7.3, 12.9, 40.0], [-7.3, 15.4, 40.0], [-7.0, 0.2, 40.0], [-7.8, -15.1, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.4, 41.9, 42.6, 43.5, 40.6, 43.5] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, identify the brand of this vehicle: audi",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1810
+    },
+    {
+        "image":"c4ef99e5-DJI_0560.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1471.4, 623.4], [1472.8, 436.7], [1491.4, 2016.5], [1495.7, 2192.8], [1511.9, 1138.8], [1456.3, 77.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.6, -7.2, 40.0], [-7.6, -9.9, 40.0], [-7.3, 12.9, 40.0], [-7.3, 15.4, 40.0], [-7.0, 0.2, 40.0], [-7.8, -15.1, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.4, 41.9, 42.6, 43.5, 40.6, 43.5] \/nStep 5, find the minimum distance to the drone: 40.6 \/nStep 6, calculate the flight time of the drone: 40.6\/18=2.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1811
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Rachel said she bought a new green car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'black'] \/nStep 2, there is no green car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1812
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 60. B) 40. C) 30. D) 80.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1813
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1814
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 6869. B) 2369. C) 1869. D) 3869.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1815
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"",
+        "answer":860000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'hongqi h9'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000} \nStep 3, sum the price of each vehicle: 860000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1816
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"A) 180000. B) 100000. C) 90000. D) 90000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'black'] \nStep 2, identify the model of white vehicles: ['changan cs75', 'buick velite 6'] \nStep 3, query vehicle prices: {'changan cs75': 80000, 'buick velite 6': 100000} \nStep 4, sum the price of each white vehicle: 180000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1817
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 5.1] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1818
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 5.1] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1819
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"A) 80000. B) 122500. C) 215000. D) 535000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'hongqi h9'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000} \nStep 3, calculate the maximum price of all vehicles: 535000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1820
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"",
+        "answer":80000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'hongqi h9'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000} \nStep 3, calculate the minimum price of all vehicles: 80000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1821
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) blue. C) green. D) white.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'black'] \/nStep 2, count vehicles for each color: {'blue': 1, 'white': 2, 'black': 1}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1822
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-4=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1823
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'black'] \/nStep 2, count all black vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1824
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"A) 3. B) 4. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'hongqi h9'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1825
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'black'] \nStep 2, identify the type of black vehicles: ['full-size'] \nStep 3, count black compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1826
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"changan",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1722.7, 1835.6], [1721.2, 2016.0], [1703.6, 1500.8], [1680.8, 1170.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.0, 10.2, 40.0], [-4.0, 12.8, 40.0], [-4.3, 5.4, 40.0], [-4.6, 0.7, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.5, 42.2, 40.6, 40.3] \/nStep 5, find the maximum distance to the drone: 42.2 \/nStep 6, identify the brand of this vehicle: changan",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1827
+    },
+    {
+        "image":"bffe4ec8-DJI_0561.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 10.5. B) 9.5. C) 10. D) 4.2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1722.7, 1835.6], [1721.2, 2016.0], [1703.6, 1500.8], [1680.8, 1170.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-4.0, 10.2, 40.0], [-4.0, 12.8, 40.0], [-4.3, 5.4, 40.0], [-4.6, 0.7, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [41.5, 42.2, 40.6, 40.3] \/nStep 5, find the maximum distance to the drone: 42.2 \/nStep 6, calculate the flight time of the drone: 42.2\/10=4.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1828
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new pink car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'red', 'brown'] \/nStep 2, there is no pink car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1829
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1830
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 70. B) 30. C) 60. D) 90.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1831
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 3869. B) 2869. C) 1869. D) 6869.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1832
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'toyota carola', 'chevrolet equinox', 'chevrolet c6'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000} \nStep 3, sum the price of each vehicle: 625000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1833
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":245000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'red', 'brown'] \nStep 2, identify the model of red vehicles: ['toyota carola', 'chevrolet equinox'] \nStep 3, query vehicle prices: {'toyota carola': 95000, 'chevrolet equinox': 150000} \nStep 4, sum the price of each red vehicle: 245000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1834
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":156250,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'toyota carola', 'chevrolet equinox', 'chevrolet c6'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000} \nStep 3, calculate the average price of all vehicles: 156250",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1835
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.6, 5.0] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1836
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.6, 5.0] \nStep 5, find the maximum length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1837
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 4.6, 5.0] \nStep 5, find the minimum length of all vehicles: 4.6",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1838
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) red. B) gray. C) silver. D) brown.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'red', 'brown'] \/nStep 2, count vehicles for each color: {'silver': 1, 'red': 2, 'brown': 1}. \/nStep 3, sort to get the most common color: red",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1839
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"brown",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'suv', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['brown'] \nStep 3, count mid-size vehicles for each color: {'brown': 1} \nStep 4, sort to get the most common color of mid-size vehicle: brown",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1840
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 6 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 6. B) 9. C) 2. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 6-4=2",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1841
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many silver vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'red', 'brown'] \/nStep 2, count all silver vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1842
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"A) 4. B) 3. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'toyota carola', 'chevrolet equinox', 'chevrolet c6'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000} \nStep 3, count vehicles priced above 100000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1843
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many brown mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'red', 'brown'] \nStep 2, identify the type of brown vehicles: ['mid-size'] \nStep 3, count brown mid-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1844
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"chevrolet",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1465.0, 2064.6], [2831.7, 376.1], [2825.9, 183.0], [1492.2, 1818.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.7, 13.5, 40.0], [12.0, -10.8, 40.0], [11.9, -13.6, 40.0], [-7.3, 10.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [42.9, 43.1, 43.9, 41.9] \/nStep 5, find the maximum distance to the drone: 43.9 \/nStep 6, identify the brand of this vehicle: chevrolet",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1845
+    },
+    {
+        "image":"b788308e-DJI_0562.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 13. B) 11.5. C) 3.7. D) 12.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1465.0, 2064.6], [2831.7, 376.1], [2825.9, 183.0], [1492.2, 1818.4]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-7.7, 13.5, 40.0], [12.0, -10.8, 40.0], [11.9, -13.6, 40.0], [-7.3, 10.0, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [42.9, 43.1, 43.9, 41.9] \/nStep 5, find the maximum distance to the drone: 43.9 \/nStep 6, calculate the flight time of the drone: 43.9\/12=3.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1846
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'golden', 'blue', 'black', 'black', 'silver', 'silver'] \/nStep 2, there is no gray car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1847
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1848
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1849
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 1869. B) 2369. C) 6869. D) 11869.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1850
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"A) 91. B) 61. C) 1835000. D) 550.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'buick gl8', 'buick velite 6', 'honda vezel', 'ford edge', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000} \nStep 3, sum the price of each vehicle: 1835000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1851
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.2, 4.7, 4.4, 5.0, 5.0, 5.0] \nStep 5, calculate the average length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1852
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.2, 4.7, 4.4, 5.0, 5.0, 5.0] \nStep 5, find the median length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1853
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.2, 4.7, 4.4, 5.0, 5.0, 5.0] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1854
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"A) 229375. B) 75000. C) 280000. D) 340000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'buick gl8', 'buick velite 6', 'honda vezel', 'ford edge', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1855
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) blue. B) silver. C) gray. D) purple.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'golden', 'blue', 'black', 'black', 'silver', 'silver'] \/nStep 2, count vehicles for each color: {'silver': 3, 'brown': 1, 'golden': 1, 'blue': 1, 'black': 2}. \/nStep 3, sort to get the most common color: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1856
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"golden",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mpv', 'compact', 'suv', 'suv', 'mid-size', 'mid-size'] \nStep 2, identify the color of mpv vehicles: ['golden'] \nStep 3, count mpv vehicles for each color: {'golden': 1} \nStep 4, sort to get the most common color of mpv vehicle: golden",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1857
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were -1 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 9. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 8 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 8--1=9",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1858
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'mpv', 'compact', 'suv', 'suv', 'mid-size', 'mid-size'] \/nStep 2, count all compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1859
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'buick gl8', 'buick velite 6', 'honda vezel', 'ford edge', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000} \nStep 3, count vehicles priced below 500000 RMB: 8",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1860
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many blue compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'golden', 'blue', 'black', 'black', 'silver', 'silver'] \nStep 2, identify the type of blue vehicles: ['compact'] \nStep 3, count blue compact vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1861
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"es",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[682.8, 483.6], [701.5, 225.8], [2569.1, 1270.4], [393.5, 1666.0], [2196.6, 2101.1], [556.0, 1001.1], [339.4, 1974.0], [339.4, 1974.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.0, -9.2, 40.0], [-18.7, -13.0, 40.0], [8.2, 2.1, 40.0], [-23.2, 7.8, 40.0], [2.8, 14.1, 40.0], [-20.8, -1.8, 40.0], [-23.9, 12.2, 40.0], [-23.9, 12.2, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [45.2, 46.0, 40.9, 46.9, 42.5, 45.1, 48.2, 48.2] \/nStep 5, find the maximum distance to the drone: 48.2 \/nStep 6, identify the model of this vehicle: es",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1862
+    },
+    {
+        "image":"49ccfb41-DJI_0563.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[682.8, 483.6], [701.5, 225.8], [2569.1, 1270.4], [393.5, 1666.0], [2196.6, 2101.1], [556.0, 1001.1], [339.4, 1974.0], [339.4, 1974.0]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-19.0, -9.2, 40.0], [-18.7, -13.0, 40.0], [8.2, 2.1, 40.0], [-23.2, 7.8, 40.0], [2.8, 14.1, 40.0], [-20.8, -1.8, 40.0], [-23.9, 12.2, 40.0], [-23.9, 12.2, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [45.2, 46.0, 40.9, 46.9, 42.5, 45.1, 48.2, 48.2] \/nStep 5, find the maximum distance to the drone: 48.2 \/nStep 6, calculate the flight time of the drone: 48.2\/18=2.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":8,
+        "region":"image-level",
+        "qid":1863
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'red', 'brown', 'silver', 'silver', 'silver', 'silver'] \/nStep 2, there is no gray car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1864
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"40",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1865
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters.",
+        "choices":"A) 90. B) 60. C) 45. D) 30.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1866
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 1869. B) 2369. C) 6869. D) 11869.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-28.8, -16.2, 40.0], [28.8, 16.2, 40.0], [-28.8, 16.2, 40.0], [28.8, -16.2, 40.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 1869",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1867
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"A) 1650000. B) 55. C) 82. D) 330.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, sum the price of each vehicle: 1650000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1868
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How much are silver vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"A) 340000. B) 340000. C) 340000. D) 1360000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'red', 'brown', 'silver', 'silver', 'silver', 'silver'] \nStep 2, identify the model of silver vehicles: ['lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 3, query vehicle prices: {'lexus  es': 340000} \nStep 4, sum the price of each silver vehicle: 1360000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1869
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":235714,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, calculate the average price of all vehicles: 235714",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1870
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":340000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, calculate the median price of all vehicles: 340000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1871
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":340000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, calculate the maximum price of all vehicles: 340000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1872
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"A) 1360000. B) 340000. C) 40000. D) 235714.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1873
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"silver",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'red', 'brown', 'silver', 'silver', 'silver', 'silver'] \/nStep 2, count vehicles for each color: {'blue': 1, 'red': 1, 'brown': 1, 'silver': 4}. \/nStep 3, sort to get the most common color: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1874
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What color of mid-size vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"silver",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size'] \nStep 2, identify the color of mid-size vehicles: ['silver', 'silver', 'silver', 'silver'] \nStep 3, count mid-size vehicles for each color: {'silver': 4} \nStep 4, sort to get the most common color of mid-size vehicle: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1875
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming that the drone has been hovering here, and there were 10 cars in this area two hours ago, how many cars have left this area at least within two hours?",
+        "context":"",
+        "choices":"A) 6. B) 3. C) 4. D) 9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 10-7=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1876
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'mid-size', 'mid-size', 'mid-size', 'mid-size'] \/nStep 2, count all mid-size vehicles: 4",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1877
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'audi a3', 'ford escort', 'lexus  es', 'lexus  es', 'lexus  es', 'lexus  es'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000} \nStep 3, count vehicles priced above 100000 RMB: 5",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1878
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many red mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'red', 'brown', 'silver', 'silver', 'silver', 'silver'] \nStep 2, identify the type of red vehicles: ['compact'] \nStep 3, count red mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1879
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"mid-size",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3250.7, 574.1], [3160.1, 892.9], [2492.5, 113.9], [3008.9, 1407.3], [3008.9, 1407.3], [3008.9, 1407.3], [3008.9, 1407.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[18.0, -7.9, 40.0], [16.7, -3.3, 40.0], [7.1, -14.6, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.6, 43.5, 43.2, 42.8, 42.8, 42.8, 42.8] \/nStep 5, find the minimum distance to the drone: 42.8 \/nStep 6, identify the type of this vehicle: mid-size",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1880
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566.JPG",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":2.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[3250.7, 574.1], [3160.1, 892.9], [2492.5, 113.9], [3008.9, 1407.3], [3008.9, 1407.3], [3008.9, 1407.3], [3008.9, 1407.3]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[18.0, -7.9, 40.0], [16.7, -3.3, 40.0], [7.1, -14.6, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0], [14.5, 4.1, 40.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.6, 43.5, 43.2, 42.8, 42.8, 42.8, 42.8] \/nStep 5, find the minimum distance to the drone: 42.8 \/nStep 6, calculate the flight time of the drone: 42.8\/16=2.7",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":1881
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Monica said she bought a new gray car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'red', 'silver', 'silver', 'brown', 'black', 'black', 'brown', 'golden', 'silver', 'silver', 'silver'] \/nStep 2, there is no gray car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1882
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"80",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1883
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1884
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 7977. B) 12477. C) 7477. D) 9477.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-57.7, -32.4, 80.0], [57.6, 32.4, 80.0], [-57.7, 32.4, 80.0], [57.6, -32.4, 80.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 7477",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1885
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"A) 169. B) 3395000. C) 679. D) 113.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen touareg', 'buick velite 6', 'audi a3', 'lexus  es', 'lexus  es', 'ford escort', 'ford edge', 'lincoln aviator', 'chevrolet c6', 'buick gl8', 'audi q5l', 'audi q5l', 'audi q5l'] \nStep 2, query all vehicle prices: {'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000} \nStep 3, sum the price of each vehicle: 3395000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1886
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.1, 4.7, 4.3, 5.0, 5.0, 4.6, 5.0, 5.1, 5.0, 5.2, 4.8, 4.8, 4.8] \nStep 5, calculate the average length of all vehicles: 4.9",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1887
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.1, 4.7, 4.3, 5.0, 5.0, 4.6, 5.0, 5.1, 5.0, 5.2, 4.8, 4.8, 4.8] \nStep 5, find the median length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1888
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen touareg', 'buick velite 6', 'audi a3', 'lexus  es', 'lexus  es', 'ford escort', 'ford edge', 'lincoln aviator', 'chevrolet c6', 'buick gl8', 'audi q5l', 'audi q5l', 'audi q5l'] \nStep 2, query all vehicle prices: {'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000} \nStep 3, calculate the maximum price of all vehicles: 625000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1889
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [5.1, 4.7, 4.3, 5.0, 5.0, 4.6, 5.0, 5.1, 5.0, 5.2, 4.8, 4.8, 4.8] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1890
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) silver. B) brown. C) golden. D) red.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'red', 'silver', 'silver', 'brown', 'black', 'black', 'brown', 'golden', 'silver', 'silver', 'silver'] \/nStep 2, count vehicles for each color: {'black': 3, 'blue': 1, 'red': 1, 'silver': 5, 'brown': 2, 'golden': 1}. \/nStep 3, sort to get the most common color: silver",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1891
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming that the drone has been hovering here, and there were 16 cars in this area three hours ago, how many cars have left this area at least within three hours?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 6. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 16-13=3",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1892
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'compact', 'mid-size', 'mid-size', 'compact', 'suv', 'suv', 'mid-size', 'mpv', 'suv', 'suv', 'suv'] \/nStep 2, count all mid-size vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1893
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['volkswagen touareg', 'buick velite 6', 'audi a3', 'lexus  es', 'lexus  es', 'ford escort', 'ford edge', 'lincoln aviator', 'chevrolet c6', 'buick gl8', 'audi q5l', 'audi q5l', 'audi q5l'] \nStep 2, query all vehicle prices: {'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi q5l': 305000} \nStep 3, count vehicles priced above 300000 RMB: 7",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1894
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many brown suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) -1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['black', 'blue', 'red', 'silver', 'silver', 'brown', 'black', 'black', 'brown', 'golden', 'silver', 'silver', 'silver'] \nStep 2, identify the type of brown vehicles: ['compact', 'mid-size'] \nStep 3, count brown suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1895
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"buick",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2282.0, 640.1], [2622.4, 778.0], [2578.4, 934.8], [2501.7, 1187.9], [2501.7, 1187.9], [2251.5, 548.6], [2717.5, 438.3], [2222.5, 372.9], [2798.0, 48.8], [3745.3, 561.8], [2785.6, 175.9], [2785.6, 175.9], [2785.6, 175.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.1, -14.0, 80.0], [17.9, -10.0, 80.0], [16.7, -5.5, 80.0], [14.5, 1.8, 80.0], [14.5, 1.8, 80.0], [7.3, -16.6, 80.0], [20.7, -19.8, 80.0], [6.4, -21.7, 80.0], [23.0, -31.0, 80.0], [50.3, -16.2, 80.0], [22.7, -27.4, 80.0], [22.7, -27.4, 80.0], [22.7, -27.4, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.6, 82.6, 81.9, 81.3, 81.3, 82.0, 85.0, 83.1, 88.8, 95.9, 87.5, 87.5, 87.5] \/nStep 5, find the maximum distance to the drone: 95.9 \/nStep 6, identify the brand of this vehicle: buick",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1896
+    },
+    {
+        "image":"0f46ba3c-DJI_0567.JPG",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":9.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2282.0, 640.1], [2622.4, 778.0], [2578.4, 934.8], [2501.7, 1187.9], [2501.7, 1187.9], [2251.5, 548.6], [2717.5, 438.3], [2222.5, 372.9], [2798.0, 48.8], [3745.3, 561.8], [2785.6, 175.9], [2785.6, 175.9], [2785.6, 175.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[8.1, -14.0, 80.0], [17.9, -10.0, 80.0], [16.7, -5.5, 80.0], [14.5, 1.8, 80.0], [14.5, 1.8, 80.0], [7.3, -16.6, 80.0], [20.7, -19.8, 80.0], [6.4, -21.7, 80.0], [23.0, -31.0, 80.0], [50.3, -16.2, 80.0], [22.7, -27.4, 80.0], [22.7, -27.4, 80.0], [22.7, -27.4, 80.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [81.6, 82.6, 81.9, 81.3, 81.3, 82.0, 85.0, 83.1, 88.8, 95.9, 87.5, 87.5, 87.5] \/nStep 5, find the maximum distance to the drone: 95.9 \/nStep 6, calculate the flight time of the drone: 95.9\/10=9.6",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1897
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Monica said she bought a new white car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'red', 'silver', 'black', 'brown', 'brown', 'golden', 'golden', 'red', 'blue', 'black', 'black', 'brown', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'white'] \/nStep 2, there is an white car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1898
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 90 degrees.",
+        "choices":"A) 100. B) 30. C) 80. D) 120.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1899
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters.",
+        "choices":"",
+        "answer":"90",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1900
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 18823. B) 17323. C) 26823. D) 16823.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-86.5, -48.7, 120.0], [86.5, 48.6, 120.0], [-86.5, 48.6, 120.0], [86.5, -48.7, 120.0]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 16823",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1901
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":4635000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['chevrolet equinox', 'audi q5l', 'toyota carola', 'lexus  es', 'volkswagen touareg', 'chevrolet c6', 'chevrolet c6', 'buick gl8', 'buick gl8', 'audi a3', 'buick velite 6', 'ford edge', 'audi a6l', 'ford escort', 'lincoln aviator', 'lincoln aviator', 'honda vezel', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000} \nStep 3, sum the price of each vehicle: 4635000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1902
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 75000. B) 395000. C) 75000. D) 79000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'red', 'silver', 'black', 'brown', 'brown', 'golden', 'golden', 'red', 'blue', 'black', 'black', 'brown', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'white'] \nStep 2, identify the model of white vehicles: ['haval m6', 'haval m6', 'haval m6', 'haval m6', 'volkswagen t-cross'] \nStep 3, query vehicle prices: {'haval m6': 75000, 'volkswagen t-cross': 95000} \nStep 4, sum the price of each white vehicle: 395000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1903
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.6, 5.0, 5.1, 5.0, 5.0, 5.2, 5.2, 4.3, 4.7, 5.0, 5.0, 4.6, 5.1, 5.1, 4.4, 4.7, 4.7, 4.7, 4.7, 4.2] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1904
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['chevrolet equinox', 'audi q5l', 'toyota carola', 'lexus  es', 'volkswagen touareg', 'chevrolet c6', 'chevrolet c6', 'buick gl8', 'buick gl8', 'audi a3', 'buick velite 6', 'ford edge', 'audi a6l', 'ford escort', 'lincoln aviator', 'lincoln aviator', 'honda vezel', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000} \nStep 3, calculate the median price of all vehicles: 125000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1905
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['chevrolet equinox', 'audi q5l', 'toyota carola', 'lexus  es', 'volkswagen touareg', 'chevrolet c6', 'chevrolet c6', 'buick gl8', 'buick gl8', 'audi a3', 'buick velite 6', 'ford edge', 'audi a6l', 'ford escort', 'lincoln aviator', 'lincoln aviator', 'honda vezel', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000} \nStep 3, calculate the maximum price of all vehicles: 625000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1906
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":4.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.8, 4.6, 5.0, 5.1, 5.0, 5.0, 5.2, 5.2, 4.3, 4.7, 5.0, 5.0, 4.6, 5.1, 5.1, 4.4, 4.7, 4.7, 4.7, 4.7, 4.2] \nStep 5, find the minimum length of all vehicles: 4.2",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1907
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) purple. C) black. D) white.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'red', 'silver', 'black', 'brown', 'brown', 'golden', 'golden', 'red', 'blue', 'black', 'black', 'brown', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'white'] \/nStep 2, count vehicles for each color: {'red': 3, 'silver': 2, 'black': 6, 'brown': 3, 'golden': 2, 'blue': 1, 'white': 5}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1908
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming that the drone has been hovering here, and there were 17 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 5. B) 3. C) 9. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 22 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 22-17=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1909
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'suv', 'compact', 'mid-size', 'suv', 'mid-size', 'mid-size', 'mpv', 'mpv', 'compact', 'compact', 'suv', 'full-size', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv', 'suv'] \/nStep 2, count all full-size vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1910
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 10. B) 9. C) 7. D) 8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['chevrolet equinox', 'audi q5l', 'toyota carola', 'lexus  es', 'volkswagen touareg', 'chevrolet c6', 'chevrolet c6', 'buick gl8', 'buick gl8', 'audi a3', 'buick velite 6', 'ford edge', 'audi a6l', 'ford escort', 'lincoln aviator', 'lincoln aviator', 'honda vezel', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'audi a6l': 430000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000} \nStep 3, count vehicles priced above 300000 RMB: 7",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1911
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many golden mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"A) -1. B) 0. C) 2. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'silver', 'red', 'silver', 'black', 'brown', 'brown', 'golden', 'golden', 'red', 'blue', 'black', 'black', 'brown', 'black', 'black', 'black', 'white', 'white', 'white', 'white', 'white'] \nStep 2, identify the type of golden vehicles: ['mpv', 'mpv'] \nStep 3, count golden mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1912
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"haval",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1610.3, 331.2], [1166.3, 970.4], [1617.5, 396.3], [980.9, 1631.0], [833.5, 1264.8], [1173.9, 886.4], [1173.9, 886.4], [1787.8, 1234.8], [1787.8, 1234.8], [1031.8, 1464.5], [1060.3, 1359.7], [1122.6, 1139.5], [1594.5, 24.7], [818.5, 1201.2], [793.3, 1091.5], [793.3, 1091.5], [1651.2, 1519.3], [656.5, 2194.6], [656.5, 2194.6], [656.5, 2194.6], [656.5, 2194.6], [1676.4, 898.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.9, -34.3, 120.0], [-36.1, -6.7, 120.0], [-16.5, -31.5, 120.0], [-44.1, 21.9, 120.0], [-50.5, 6.0, 120.0], [-35.7, -10.3, 120.0], [-35.7, -10.3, 120.0], [-9.2, 4.7, 120.0], [-9.2, 4.7, 120.0], [-41.9, 14.7, 120.0], [-40.6, 10.2, 120.0], [-37.9, 0.6, 120.0], [-17.5, -47.6, 120.0], [-51.1, 3.3, 120.0], [-52.2, -1.4, 120.0], [-52.2, -1.4, 120.0], [-15.1, 17.1, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-14.0, -9.8, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [125.9, 125.5, 125.2, 129.7, 130.3, 125.6, 125.6, 120.4, 120.4, 127.9, 127.1, 125.9, 130.3, 130.5, 130.9, 130.9, 122.1, 141.1, 141.1, 141.1, 141.1, 121.2] \/nStep 5, find the maximum distance to the drone: 141.1 \/nStep 6, identify the brand of this vehicle: haval",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1913
+    },
+    {
+        "image":"3fa148f5-DJI_0573.JPG",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1610.3, 331.2], [1166.3, 970.4], [1617.5, 396.3], [980.9, 1631.0], [833.5, 1264.8], [1173.9, 886.4], [1173.9, 886.4], [1787.8, 1234.8], [1787.8, 1234.8], [1031.8, 1464.5], [1060.3, 1359.7], [1122.6, 1139.5], [1594.5, 24.7], [818.5, 1201.2], [793.3, 1091.5], [793.3, 1091.5], [1651.2, 1519.3], [656.5, 2194.6], [656.5, 2194.6], [656.5, 2194.6], [656.5, 2194.6], [1676.4, 898.1]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-16.9, -34.3, 120.0], [-36.1, -6.7, 120.0], [-16.5, -31.5, 120.0], [-44.1, 21.9, 120.0], [-50.5, 6.0, 120.0], [-35.7, -10.3, 120.0], [-35.7, -10.3, 120.0], [-9.2, 4.7, 120.0], [-9.2, 4.7, 120.0], [-41.9, 14.7, 120.0], [-40.6, 10.2, 120.0], [-37.9, 0.6, 120.0], [-17.5, -47.6, 120.0], [-51.1, 3.3, 120.0], [-52.2, -1.4, 120.0], [-52.2, -1.4, 120.0], [-15.1, 17.1, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-58.1, 46.3, 120.0], [-14.0, -9.8, 120.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [125.9, 125.5, 125.2, 129.7, 130.3, 125.6, 125.6, 120.4, 120.4, 127.9, 127.1, 125.9, 130.3, 130.5, 130.9, 130.9, 122.1, 141.1, 141.1, 141.1, 141.1, 121.2] \/nStep 5, find the maximum distance to the drone: 141.1 \/nStep 6, calculate the flight time of the drone: 141.1\/16=8.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":22,
+        "region":"image-level",
+        "qid":1914
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Phoebe said she bought a new pink car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'silver', 'silver', 'white', 'red', 'red', 'blue', 'black', 'white', 'brown', 'red', 'golden', 'brown', 'blue', 'black', 'black', 'black', 'black', 'black', 'white', 'white', 'white', 'gray', 'silver', 'black', 'blue', 'gray'] \/nStep 2, there is no pink car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1915
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 60. B) 110. C) 40. D) 100.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1916
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters.",
+        "choices":"",
+        "answer":"60",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1917
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 20637. B) 21137. C) 20137. D) 22137.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-108.7, -61.1, 150.8], [67.4, 37.9, 93.6], [-67.5, 37.9, 93.6], [108.6, -61.1, 150.8]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 20137",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1918
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"A) 285. B) 1711. C) 1141. D) 5705000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'toyota carola', 'lexus  es', 'lexus  es', 'buick velite 6', 'audi a3', 'audi a3', 'buick velite 6', 'volkswagen touareg', 'changan cs75', 'chevrolet c6', 'chevrolet equinox', 'buick gl8', 'ford escort', 'hyundai lafesta', 'hongqi h9', 'lincoln aviator', 'audi a6l', 'ford edge', 'ford edge', 'volkswagen t-cross', 'volkswagen t-cross', 'volkswagen t-cross', 'volkswagen golf', 'lexus nx', 'hyundai mistra', 'chevrolet lova', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000} \nStep 3, sum the price of each vehicle: 5705000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1919
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How much are red vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":545000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'silver', 'silver', 'white', 'red', 'red', 'blue', 'black', 'white', 'brown', 'red', 'golden', 'brown', 'blue', 'black', 'black', 'black', 'black', 'black', 'white', 'white', 'white', 'gray', 'silver', 'black', 'blue', 'gray'] \nStep 2, identify the model of red vehicles: ['toyota carola', 'audi a3', 'audi a3', 'chevrolet equinox'] \nStep 3, query vehicle prices: {'toyota carola': 95000, 'audi a3': 150000, 'chevrolet equinox': 150000} \nStep 4, sum the price of each red vehicle: 545000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1920
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 5.0, 5.0, 4.7, 4.3, 4.3, 4.7, 5.1, 4.7, 5.0, 4.6, 5.2, 4.6, 4.7, 5.1, 5.1, 5.0, 5.0, 5.0, 4.2, 4.2, 4.2, 4.3, 4.7, 4.8, 4.3, 4.7] \nStep 5, calculate the average length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1921
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 131.9. B) 5.2. C) 4.7. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 5.0, 5.0, 4.7, 4.3, 4.3, 4.7, 5.1, 4.7, 5.0, 4.6, 5.2, 4.6, 4.7, 5.1, 5.1, 5.0, 5.0, 5.0, 4.2, 4.2, 4.2, 4.3, 4.7, 4.8, 4.3, 4.7] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1922
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 4.2. B) 4. C) 5.2. D) 131.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 5.0, 5.0, 4.7, 4.3, 4.3, 4.7, 5.1, 4.7, 5.0, 4.6, 5.2, 4.6, 4.7, 5.1, 5.1, 5.0, 5.0, 5.0, 4.2, 4.2, 4.2, 4.3, 4.7, 4.8, 4.3, 4.7] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1923
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 4.6, 5.0, 5.0, 4.7, 4.3, 4.3, 4.7, 5.1, 4.7, 5.0, 4.6, 5.2, 4.6, 4.7, 5.1, 5.1, 5.0, 5.0, 5.0, 4.2, 4.2, 4.2, 4.3, 4.7, 4.8, 4.3, 4.7] \nStep 5, find the minimum length of all vehicles: 4.2",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1924
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) purple. B) yellow. C) black. D) silver.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'silver', 'silver', 'white', 'red', 'red', 'blue', 'black', 'white', 'brown', 'red', 'golden', 'brown', 'blue', 'black', 'black', 'black', 'black', 'black', 'white', 'white', 'white', 'gray', 'silver', 'black', 'blue', 'gray'] \/nStep 2, count vehicles for each color: {'silver': 4, 'red': 4, 'white': 5, 'blue': 3, 'black': 7, 'brown': 2, 'golden': 1, 'gray': 2}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1925
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What color of mpv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) golden. B) gray. C) silver. D) white.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'mid-size', 'mid-size', 'compact', 'compact', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'mpv', 'compact', 'compact', 'full-size', 'suv', 'full-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'mid-size', 'subcompact', 'compact'] \nStep 2, identify the color of mpv vehicles: ['golden'] \nStep 3, count mpv vehicles for each color: {'golden': 1} \nStep 4, sort to get the most common color of mpv vehicle: golden",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1926
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming that the drone has been hovering here, and there were 27 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"A) 3. B) 7. C) 1. D) 6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 28 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 28-27=1",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1927
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":11,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'compact', 'mid-size', 'mid-size', 'compact', 'compact', 'compact', 'compact', 'suv', 'suv', 'mid-size', 'suv', 'mpv', 'compact', 'compact', 'full-size', 'suv', 'full-size', 'suv', 'suv', 'suv', 'suv', 'suv', 'compact', 'suv', 'mid-size', 'subcompact', 'compact'] \/nStep 2, count all suv vehicles: 11",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1928
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'toyota carola', 'lexus  es', 'lexus  es', 'buick velite 6', 'audi a3', 'audi a3', 'buick velite 6', 'volkswagen touareg', 'changan cs75', 'chevrolet c6', 'chevrolet equinox', 'buick gl8', 'ford escort', 'hyundai lafesta', 'hongqi h9', 'lincoln aviator', 'audi a6l', 'ford edge', 'ford edge', 'volkswagen t-cross', 'volkswagen t-cross', 'volkswagen t-cross', 'volkswagen golf', 'lexus nx', 'hyundai mistra', 'chevrolet lova', 'volkswagen lavida'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000} \nStep 3, count vehicles priced above 300000 RMB: 8",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1929
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many silver suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'red', 'silver', 'silver', 'white', 'red', 'red', 'blue', 'black', 'white', 'brown', 'red', 'golden', 'brown', 'blue', 'black', 'black', 'black', 'black', 'black', 'white', 'white', 'white', 'gray', 'silver', 'black', 'blue', 'gray'] \nStep 2, identify the type of silver vehicles: ['suv', 'mid-size', 'mid-size', 'suv'] \nStep 3, count silver suv vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1930
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"volkswagen",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2130.3, 1262.6], [2561.6, 754.5], [1921.9, 2010.6], [1921.9, 2010.6], [2450.6, 238.8], [1984.1, 1800.5], [1984.1, 1800.5], [2015.0, 1676.3], [1758.3, 1570.1], [2480.4, 355.6], [2136.4, 1182.6], [2552.5, 702.0], [2851.2, 1527.7], [1739.8, 1504.9], [2472.5, 314.6], [2432.3, 162.6], [1723.9, 1387.1], [2516.7, 480.7], [2085.5, 1434.2], [2085.5, 1434.2], [2667.1, 1184.4], [2667.1, 1184.4], [2667.1, 1184.4], [1333.3, 172.4], [1071.4, 215.7], [1190.5, 199.3], [446.0, 326.2], [328.2, 349.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.3, 5.6, 112.3], [25.3, -16.7, 125.1], [-2.7, 31.1, 97.5], [-2.7, 31.1, 97.5], [23.0, -45.2, 141.6], [-0.6, 24.6, 101.2], [-0.6, 24.6, 101.2], [0.6, 20.6, 103.6], [-9.2, 17.0, 105.7], [23.8, -38.1, 137.5], [5.6, 2.4, 114.1], [25.2, -19.3, 126.6], [32.7, 15.5, 106.5], [-10.0, 14.7, 107.0], [23.7, -40.6, 138.9], [22.5, -50.1, 144.4], [-10.9, 10.3, 109.5], [24.8, -31.0, 133.3], [3.3, 12.1, 108.5], [3.3, 12.1, 108.5], [27.4, 2.4, 114.1], [27.4, 2.4, 114.1], [27.4, 2.4, 114.1], [-34.6, -49.4, 144.0], [-47.7, -46.7, 142.4], [-41.7, -47.7, 143.0], [-77.6, -39.9, 138.5], [-83.0, -38.5, 137.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [112.5, 128.7, 102.4, 102.4, 150.4, 104.2, 104.2, 105.6, 107.4, 144.6, 114.3, 130.5, 112.5, 108.5, 146.6, 154.5, 110.5, 139.1, 109.2, 109.2, 117.3, 117.3, 117.3, 156.2, 157.3, 156.4, 163.7, 165.3] \/nStep 5, find the maximum distance to the drone: 165.3 \/nStep 6, identify the brand of this vehicle: volkswagen",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1931
+    },
+    {
+        "image":"acaec21b-DJI_0576.JPG",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":9.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2130.3, 1262.6], [2561.6, 754.5], [1921.9, 2010.6], [1921.9, 2010.6], [2450.6, 238.8], [1984.1, 1800.5], [1984.1, 1800.5], [2015.0, 1676.3], [1758.3, 1570.1], [2480.4, 355.6], [2136.4, 1182.6], [2552.5, 702.0], [2851.2, 1527.7], [1739.8, 1504.9], [2472.5, 314.6], [2432.3, 162.6], [1723.9, 1387.1], [2516.7, 480.7], [2085.5, 1434.2], [2085.5, 1434.2], [2667.1, 1184.4], [2667.1, 1184.4], [2667.1, 1184.4], [1333.3, 172.4], [1071.4, 215.7], [1190.5, 199.3], [446.0, 326.2], [328.2, 349.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.3, 5.6, 112.3], [25.3, -16.7, 125.1], [-2.7, 31.1, 97.5], [-2.7, 31.1, 97.5], [23.0, -45.2, 141.6], [-0.6, 24.6, 101.2], [-0.6, 24.6, 101.2], [0.6, 20.6, 103.6], [-9.2, 17.0, 105.7], [23.8, -38.1, 137.5], [5.6, 2.4, 114.1], [25.2, -19.3, 126.6], [32.7, 15.5, 106.5], [-10.0, 14.7, 107.0], [23.7, -40.6, 138.9], [22.5, -50.1, 144.4], [-10.9, 10.3, 109.5], [24.8, -31.0, 133.3], [3.3, 12.1, 108.5], [3.3, 12.1, 108.5], [27.4, 2.4, 114.1], [27.4, 2.4, 114.1], [27.4, 2.4, 114.1], [-34.6, -49.4, 144.0], [-47.7, -46.7, 142.4], [-41.7, -47.7, 143.0], [-77.6, -39.9, 138.5], [-83.0, -38.5, 137.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [112.5, 128.7, 102.4, 102.4, 150.4, 104.2, 104.2, 105.6, 107.4, 144.6, 114.3, 130.5, 112.5, 108.5, 146.6, 154.5, 110.5, 139.1, 109.2, 109.2, 117.3, 117.3, 117.3, 156.2, 157.3, 156.4, 163.7, 165.3] \/nStep 5, find the maximum distance to the drone: 165.3 \/nStep 6, calculate the flight time of the drone: 165.3\/18=9.2",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":28,
+        "region":"image-level",
+        "qid":1932
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Rachel said she bought a new white car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'blue', 'red', 'black', 'black', 'black'] \/nStep 2, there is no white car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1933
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 100. B) 30. C) 20. D) 60.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1934
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 45. B) 80. C) 60. D) 90.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1935
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1936
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":1395000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford escort', 'buick velite 6', 'audi a3', 'volkswagen touareg', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, sum the price of each vehicle: 1395000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1937
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":232500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford escort', 'buick velite 6', 'audi a3', 'volkswagen touareg', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, calculate the average price of all vehicles: 232500",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1938
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":187500,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford escort', 'buick velite 6', 'audi a3', 'volkswagen touareg', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, calculate the median price of all vehicles: 187500",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1939
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford escort', 'buick velite 6', 'audi a3', 'volkswagen touareg', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, calculate the maximum price of all vehicles: 625000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1940
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.6, 4.7, 4.3, 5.1, 5.0, 5.1] \nStep 5, find the minimum length of all vehicles: 4.3",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1941
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) orange. B) brown. C) black. D) pink.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'blue', 'red', 'black', 'black', 'black'] \/nStep 2, count vehicles for each color: {'brown': 1, 'blue': 1, 'red': 1, 'black': 3}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1942
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'compact', 'suv', 'suv', 'suv'] \nStep 2, identify the color of suv vehicles: ['black', 'black', 'black'] \nStep 3, count suv vehicles for each color: {'black': 3} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1943
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were -2 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 6 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 6--2=8",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1944
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many brown vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'blue', 'red', 'black', 'black', 'black'] \/nStep 2, count all brown vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1945
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"A) 1. B) 3. C) 2. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['ford escort', 'buick velite 6', 'audi a3', 'volkswagen touareg', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, count vehicles priced above 300000 RMB: 1",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1946
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many black compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 1. B) -1. C) 0. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['brown', 'blue', 'red', 'black', 'black', 'black'] \nStep 2, identify the type of black vehicles: ['suv', 'suv', 'suv'] \nStep 3, count black compact vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1947
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"compact",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1689.3, 527.9], [3148.9, 1022.6], [3200.3, 1600.0], [1828.6, 756.4], [3068.0, 110.7], [1535.8, 138.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.0, -5.7, 26.4], [9.8, -0.9, 23.6], [9.1, 3.6, 21.0], [-1.5, -3.3, 25.0], [11.3, -10.7, 29.3], [-4.9, -10.3, 29.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [27.1, 25.6, 23.2, 25.3, 33.1, 31.2] \/nStep 5, find the minimum distance to the drone: 23.2 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1948
+    },
+    {
+        "image":"189afc4e-DJI_0590.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1689.3, 527.9], [3148.9, 1022.6], [3200.3, 1600.0], [1828.6, 756.4], [3068.0, 110.7], [1535.8, 138.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-3.0, -5.7, 26.4], [9.8, -0.9, 23.6], [9.1, 3.6, 21.0], [-1.5, -3.3, 25.0], [11.3, -10.7, 29.3], [-4.9, -10.3, 29.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [27.1, 25.6, 23.2, 25.3, 33.1, 31.2] \/nStep 5, find the minimum distance to the drone: 23.2 \/nStep 6, calculate the flight time of the drone: 23.2\/10=2.3",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":6,
+        "region":"image-level",
+        "qid":1949
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Monica said she bought a new silver car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'black', 'black'] \/nStep 2, there is an silver car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1950
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 120. B) 20. C) 100. D) 110.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1951
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 80. B) 45. C) 70. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1952
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":805,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1953
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":1260000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, sum the price of each vehicle: 1260000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1954
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.0, 5.1] \nStep 5, calculate the average length of all vehicles: 5.0",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1955
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"",
+        "answer":280000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, calculate the median price of all vehicles: 280000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1956
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.0, 5.1] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1957
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 5.0. B) 4. C) 4.8. D) 5.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.8, 5.0, 5.0, 5.1] \nStep 5, find the minimum length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1958
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) brown. B) blue. C) black. D) gray.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'black', 'black'] \/nStep 2, count vehicles for each color: {'silver': 1, 'brown': 1, 'black': 2}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1959
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"black",
+        "eva":"str",
+        "rationale":"Step 1, identify the type of all vehicles: ['suv', 'mid-size', 'suv', 'suv'] \nStep 2, identify the color of suv vehicles: ['silver', 'black', 'black'] \nStep 3, count suv vehicles for each color: {'silver': 1, 'black': 2} \nStep 4, sort to get the most common color of suv vehicle: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1960
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were 11 cars in this area an hour ago, how many cars have left this area at least within an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 4 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 11-4=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1961
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many silver vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'black', 'black'] \/nStep 2, count all silver vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on color",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1962
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000}",
+        "choices":"A) 5. B) 2. C) 3. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi q5l', 'chevrolet c6', 'ford edge', 'lincoln aviator'] \nStep 2, query all vehicle prices: {'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000, 'lincoln aviator': 625000} \nStep 3, count vehicles priced below 300000 RMB: 2",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1963
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many silver mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['silver', 'brown', 'black', 'black'] \nStep 2, identify the type of silver vehicles: ['suv'] \nStep 3, count silver mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1964
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What model is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"edge",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2438.7, 896.6], [2381.1, 559.3], [2405.5, 1838.3], [306.2, 1850.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.8, -2.0, 24.2], [3.6, -5.3, 26.2], [2.9, 5.2, 20.1], [-12.2, 5.2, 20.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.6, 27.0, 21.0, 24.1] \/nStep 5, find the minimum distance to the drone: 21.0 \/nStep 6, identify the model of this vehicle: edge",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1965
+    },
+    {
+        "image":"353ef7f6-DJI_0591.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2438.7, 896.6], [2381.1, 559.3], [2405.5, 1838.3], [306.2, 1850.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.8, -2.0, 24.2], [3.6, -5.3, 26.2], [2.9, 5.2, 20.1], [-12.2, 5.2, 20.1]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [24.6, 27.0, 21.0, 24.1] \/nStep 5, find the minimum distance to the drone: 21.0 \/nStep 6, calculate the flight time of the drone: 21.0\/10=2.1",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":4,
+        "region":"image-level",
+        "qid":1966
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Phoebe said she bought a new blue car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'white', 'black'] \/nStep 2, there is an blue car here, so it may be Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1967
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 60 degrees.",
+        "choices":"A) 60. B) 40. C) 70. D) 20.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1968
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters.",
+        "choices":"A) 45. B) 30. C) 70. D) 60.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1969
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 805. B) 5805. C) 1305. D) 1805.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-21.7, -12.2, 30.2], [13.5, 7.6, 18.7], [-13.5, 7.6, 18.7], [21.7, -12.2, 30.2]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 805",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1970
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000}",
+        "choices":"A) 43. B) 258. C) 1290000. D) 64.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'hongqi h9', 'hyundai lafesta', 'changan cs75', 'audi a6l'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000} \nStep 3, sum the price of each vehicle: 1290000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1971
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000}",
+        "choices":"A) 100000. B) 180000. C) 90000. D) 80000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'white', 'black'] \nStep 2, identify the model of white vehicles: ['buick velite 6', 'changan cs75'] \nStep 3, query vehicle prices: {'buick velite 6': 100000, 'changan cs75': 80000} \nStep 4, sum the price of each white vehicle: 180000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1972
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000}",
+        "choices":"A) 145000. B) 258000. C) 535000. D) 180000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'hongqi h9', 'hyundai lafesta', 'changan cs75', 'audi a6l'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000} \nStep 3, calculate the average price of all vehicles: 258000",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1973
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000}",
+        "choices":"A) 80000. B) 535000. C) 180000. D) 145000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'hongqi h9', 'hyundai lafesta', 'changan cs75', 'audi a6l'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000} \nStep 3, calculate the median price of all vehicles: 145000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1974
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5.1,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.7, 4.7, 5.0] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1975
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the minimum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 5.1, 4.7, 4.7, 5.0] \nStep 5, find the minimum length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1976
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What color of suv vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) gray. B) orange. C) white. D) green.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'full-size', 'compact', 'suv', 'full-size'] \nStep 2, identify the color of suv vehicles: ['white'] \nStep 3, count suv vehicles for each color: {'white': 1} \nStep 4, sort to get the most common color of suv vehicle: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value conditional on another property",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1977
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming that the drone has been hovering here, and there were -5 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 2. D) 10.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, count all current vehicles: 5 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 5--5=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1978
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'full-size', 'compact', 'suv', 'full-size'] \/nStep 2, count all suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1979
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'hongqi h9', 'hyundai lafesta', 'changan cs75', 'audi a6l'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000, 'audi a6l': 430000} \nStep 3, count vehicles priced above 100000 RMB: 3",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1980
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many white suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 0. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'black', 'blue', 'white', 'black'] \nStep 2, identify the type of white vehicles: ['compact', 'suv'] \nStep 3, count white suv vehicles: 1",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1981
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What model is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"a6l",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2453.2, 1540.4], [3130.9, 1410.5], [1727.0, 1657.4], [1325.5, 1701.5], [181.6, 1870.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.5, 3.2, 21.3], [8.9, 2.2, 21.8], [-2.0, 4.0, 20.8], [-5.0, 4.3, 20.6], [-13.1, 5.4, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [21.8, 23.6, 21.3, 21.6, 24.5] \/nStep 5, find the maximum distance to the drone: 24.5 \/nStep 6, identify the model of this vehicle: a6l",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1982
+    },
+    {
+        "image":"ee4aa246-DJI_0595.JPG",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2453.2, 1540.4], [3130.9, 1410.5], [1727.0, 1657.4], [1325.5, 1701.5], [181.6, 1870.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[3.5, 3.2, 21.3], [8.9, 2.2, 21.8], [-2.0, 4.0, 20.8], [-5.0, 4.3, 20.6], [-13.1, 5.4, 20.0]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [21.8, 23.6, 21.3, 21.6, 24.5] \/nStep 5, find the maximum distance to the drone: 24.5 \/nStep 6, calculate the flight time of the drone: 24.5\/16=1.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":5,
+        "region":"image-level",
+        "qid":1983
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Monica said she bought a new yellow car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'red', 'black', 'blue', 'blue', 'silver', 'silver', 'black', 'black', 'silver', 'brown', 'brown', 'white'] \/nStep 2, there is no yellow car, so it is impossible to have Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1984
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1985
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 45. B) 80. C) 30. D) 70.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1986
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4260,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1987
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":2800000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'audi a3', 'ford edge', 'buick velite 6', 'buick velite 6', 'lexus  es', 'lexus  es', 'volkswagen touareg', 'lincoln aviator', 'audi q5l', 'chevrolet c6', 'ford escort', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000} \nStep 3, sum the price of each vehicle: 2800000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1988
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are blue vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":200000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'red', 'black', 'blue', 'blue', 'silver', 'silver', 'black', 'black', 'silver', 'brown', 'brown', 'white'] \nStep 2, identify the model of blue vehicles: ['buick velite 6', 'buick velite 6'] \nStep 3, query vehicle prices: {'buick velite 6': 100000} \nStep 4, sum the price of each blue vehicle: 200000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1989
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 40000. B) 150000. C) 625000. D) 215384.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'audi a3', 'ford edge', 'buick velite 6', 'buick velite 6', 'lexus  es', 'lexus  es', 'volkswagen touareg', 'lincoln aviator', 'audi q5l', 'chevrolet c6', 'ford escort', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000} \nStep 3, calculate the average price of all vehicles: 215384",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1990
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'audi a3', 'ford edge', 'buick velite 6', 'buick velite 6', 'lexus  es', 'lexus  es', 'volkswagen touareg', 'lincoln aviator', 'audi q5l', 'chevrolet c6', 'ford escort', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000} \nStep 3, calculate the median price of all vehicles: 150000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1991
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.2. B) 61.7. C) 4. D) 5.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.3, 4.3, 5.0, 4.7, 4.7, 5.0, 5.0, 5.1, 5.1, 4.8, 5.0, 4.6, 4.2] \nStep 5, find the maximum length of all vehicles: 5.1",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1992
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 625000. B) 215384. C) 40000. D) 150000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'audi a3', 'ford edge', 'buick velite 6', 'buick velite 6', 'lexus  es', 'lexus  es', 'volkswagen touareg', 'lincoln aviator', 'audi q5l', 'chevrolet c6', 'ford escort', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1993
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 8 cars in this area half an hour ago, how many cars have entered this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 13-8=5",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1994
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many compact vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 5. B) 6. C) 7. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'compact', 'compact', 'mid-size', 'mid-size', 'suv', 'suv', 'suv', 'mid-size', 'compact', 'suv'] \/nStep 2, count all compact vehicles: 5",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1995
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 300000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['audi a3', 'audi a3', 'ford edge', 'buick velite 6', 'buick velite 6', 'lexus  es', 'lexus  es', 'volkswagen touareg', 'lincoln aviator', 'audi q5l', 'chevrolet c6', 'ford escort', 'volkswagen t-cross'] \nStep 2, query all vehicle prices: {'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000} \nStep 3, count vehicles priced below 300000 RMB: 9",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1996
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many blue suv vehicles are there in the image?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 0. D) -1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['red', 'red', 'black', 'blue', 'blue', 'silver', 'silver', 'black', 'black', 'silver', 'brown', 'brown', 'white'] \nStep 2, identify the type of blue vehicles: ['compact', 'compact'] \nStep 3, count blue suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1997
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What brand is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"lexus ",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2629.7, 1042.8], [2629.7, 1042.8], [2774.5, 496.6], [2680.7, 845.7], [2680.7, 845.7], [2523.2, 1421.2], [2523.2, 1421.2], [2078.1, 660.5], [2001.1, 414.7], [2823.1, 286.0], [2810.7, 193.2], [2031.7, 561.4], [3848.2, 220.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.9, -1.3, 43.7], [9.9, -1.3, 43.7], [15.3, -12.4, 54.8], [11.6, -4.7, 47.2], [11.6, -4.7, 47.2], [7.2, 4.1, 38.3], [7.2, 4.1, 38.3], [1.4, -8.5, 51.0], [0.0, -14.6, 57.0], [18.0, -18.4, 60.8], [18.7, -21.5, 63.9], [0.6, -10.8, 53.2], [41.9, -20.5, 62.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.9, 44.9, 58.3, 48.8, 48.8, 39.2, 39.2, 51.7, 58.9, 66.0, 69.9, 54.3, 78.3] \/nStep 5, find the minimum distance to the drone: 39.2 \/nStep 6, identify the brand of this vehicle: lexus ",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1998
+    },
+    {
+        "image":"e238a11e-DJI_0602.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 16 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2629.7, 1042.8], [2629.7, 1042.8], [2774.5, 496.6], [2680.7, 845.7], [2680.7, 845.7], [2523.2, 1421.2], [2523.2, 1421.2], [2078.1, 660.5], [2001.1, 414.7], [2823.1, 286.0], [2810.7, 193.2], [2031.7, 561.4], [3848.2, 220.9]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[9.9, -1.3, 43.7], [9.9, -1.3, 43.7], [15.3, -12.4, 54.8], [11.6, -4.7, 47.2], [11.6, -4.7, 47.2], [7.2, 4.1, 38.3], [7.2, 4.1, 38.3], [1.4, -8.5, 51.0], [0.0, -14.6, 57.0], [18.0, -18.4, 60.8], [18.7, -21.5, 63.9], [0.6, -10.8, 53.2], [41.9, -20.5, 62.9]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [44.9, 44.9, 58.3, 48.8, 48.8, 39.2, 39.2, 51.7, 58.9, 66.0, 69.9, 54.3, 78.3] \/nStep 5, find the minimum distance to the drone: 39.2 \/nStep 6, calculate the flight time of the drone: 39.2\/16=2.5",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":1999
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Rachel said she bought a new green car. Is there a possibility of Rachel's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'black', 'black', 'blue', 'gray'] \/nStep 2, there is no green car, so it is impossible to have Rachel's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2000
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"30",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2001
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters.",
+        "choices":"A) 30. B) 90. C) 45. D) 60.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2002
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4260,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-51.4, -28.9, 71.4], [21.8, 12.2, 30.2], [-21.8, 12.2, 30.2], [51.4, -28.9, 71.4]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 4260",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2003
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"A) 1520000. B) 304. C) 456. D) 76.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'toyota carola', 'changan cs75', 'audi a6l', 'hongqi h9', 'hyundai lafesta', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000} \nStep 3, sum the price of each vehicle: 1520000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2004
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":180000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'black', 'black', 'blue', 'gray'] \nStep 2, identify the model of white vehicles: ['buick velite 6', 'changan cs75'] \nStep 3, query vehicle prices: {'buick velite 6': 100000, 'changan cs75': 80000} \nStep 4, sum the price of each white vehicle: 180000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2005
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the average length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.7, 5.0, 5.1, 4.7, 4.5] \nStep 5, calculate the average length of all vehicles: 4.8",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"mean length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2006
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the median length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 4.7. B) 4. C) 33.3. D) 5.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.6, 4.7, 5.0, 5.1, 4.7, 4.5] \nStep 5, find the median length of all vehicles: 4.7",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median length of all vehicles",
+        "step":5,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2007
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"A) 135000. B) 217142. C) 535000. D) 80000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'toyota carola', 'changan cs75', 'audi a6l', 'hongqi h9', 'hyundai lafesta', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000} \nStep 3, calculate the maximum price of all vehicles: 535000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2008
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"A) 217142. B) 80000. C) 535000. D) 180000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'toyota carola', 'changan cs75', 'audi a6l', 'hongqi h9', 'hyundai lafesta', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000} \nStep 3, calculate the minimum price of all vehicles: 80000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2009
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming that the drone has been hovering here, and there were 14 cars in this area half an hour ago, how many cars have left this area at least within half an hour?",
+        "context":"",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 7 \/nStep 2, the number of cars leaving the area is at least equal to the decrease in the number of cars in the area during this period: : 14-7=7",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2010
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'compact', 'suv', 'full-size', 'full-size', 'compact', 'suv'] \/nStep 2, count all full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2011
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles are priced below 500000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'toyota carola', 'changan cs75', 'audi a6l', 'hongqi h9', 'hyundai lafesta', 'byd yuan plus'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000} \nStep 3, count vehicles priced below 500000 RMB: 6",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2012
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many black full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'red', 'white', 'black', 'black', 'blue', 'gray'] \nStep 2, identify the type of black vehicles: ['full-size', 'full-size'] \nStep 3, count black full-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2013
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What type is the vehicle closest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"compact",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2274.4, 487.3], [2514.0, 2040.7], [2322.9, 745.6], [2399.5, 1066.3], [2247.7, 344.2], [2308.6, 643.7], [1116.7, 122.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.4, -12.7, 55.1], [5.9, 10.5, 31.9], [5.7, -6.7, 49.1], [6.2, -0.9, 43.3], [5.3, -16.6, 59.0], [5.7, -8.9, 51.3], [-21.1, -24.0, 66.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [56.8, 34.1, 49.9, 43.8, 61.6, 52.4, 73.7] \/nStep 5, find the minimum distance to the drone: 34.1 \/nStep 6, identify the type of this vehicle: compact",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2014
+    },
+    {
+        "image":"9acb9d38-DJI_0606.JPG",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Assuming the flight speed of the drone is 18 meters per second, how long does it take for the drone to reach the closest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[2274.4, 487.3], [2514.0, 2040.7], [2322.9, 745.6], [2399.5, 1066.3], [2247.7, 344.2], [2308.6, 643.7], [1116.7, 122.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[5.4, -12.7, 55.1], [5.9, 10.5, 31.9], [5.7, -6.7, 49.1], [6.2, -0.9, 43.3], [5.3, -16.6, 59.0], [5.7, -8.9, 51.3], [-21.1, -24.0, 66.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [56.8, 34.1, 49.9, 43.8, 61.6, 52.4, 73.7] \/nStep 5, find the minimum distance to the drone: 34.1 \/nStep 6, calculate the flight time of the drone: 34.1\/18=1.9",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the closest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":7,
+        "region":"image-level",
+        "qid":2015
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Phoebe said she bought a new purple car. Is there a possibility of Phoebe's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'silver', 'silver', 'white', 'black', 'blue', 'black', 'black', 'black', 'white', 'gray', 'red'] \/nStep 2, there is no purple car, so it is impossible to have Phoebe's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2016
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"70",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2017
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2018
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 25197. B) 28197. C) 33197. D) 23197.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-120.0, -67.5, 166.5], [50.8, 28.5, 70.5], [-50.8, 28.5, 70.5], [120.0, -67.5, 166.5]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 23197",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2019
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"A) 98. B) 147. C) 2940000. D) 882.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, sum the price of each vehicle: 2940000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2020
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":275000,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'silver', 'silver', 'white', 'black', 'blue', 'black', 'black', 'black', 'white', 'gray', 'red'] \nStep 2, identify the model of white vehicles: ['buick velite 6', 'changan cs75', 'volkswagen t-cross'] \nStep 3, query vehicle prices: {'buick velite 6': 100000, 'changan cs75': 80000, 'volkswagen t-cross': 95000} \nStep 4, sum the price of each white vehicle: 275000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2021
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":226153,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, calculate the average price of all vehicles: 226153",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2022
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"A) 75000. B) 535000. C) 226153. D) 145000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, calculate the median price of all vehicles: 145000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2023
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the maximum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":535000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, calculate the maximum price of all vehicles: 535000",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2024
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":75000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, calculate the minimum price of all vehicles: 75000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2025
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"A) red. B) gray. C) silver. D) black.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'silver', 'silver', 'white', 'black', 'blue', 'black', 'black', 'black', 'white', 'gray', 'red'] \/nStep 2, count vehicles for each color: {'white': 3, 'brown': 1, 'silver': 2, 'black': 4, 'blue': 1, 'gray': 1, 'red': 1}. \/nStep 3, sort to get the most common color: black",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2026
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming that the drone has been hovering here, and there were 3 cars in this area two hours ago, how many cars have entered this area at least within two hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 13 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 13-3=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2027
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many full-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'mid-size', 'suv', 'suv', 'suv', 'full-size', 'compact', 'full-size', 'full-size', 'mid-size', 'suv', 'suv', 'compact'] \/nStep 2, count all full-size vehicles: 3",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2028
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"A) 9. B) 12. C) 10. D) 11.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['buick velite 6', 'chevrolet c6', 'audi q5l', 'audi q5l', 'changan cs75', 'hongqi h9', 'hyundai lafesta', 'audi a6l', 'audi a6l', 'toyota camry', 'volkswagen t-cross', 'byd yuan plus', 'bmw 1 series'] \nStep 2, query all vehicle prices: {'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000} \nStep 3, count vehicles priced above 100000 RMB: 9",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2029
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many white mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['white', 'brown', 'silver', 'silver', 'white', 'black', 'blue', 'black', 'black', 'black', 'white', 'gray', 'red'] \nStep 2, identify the type of white vehicles: ['compact', 'suv', 'suv'] \nStep 3, count white mid-size vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2030
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"toyota",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1626.7, 747.3], [1388.0, 2062.1], [1394.8, 2194.1], [1394.8, 2194.1], [1688.5, 867.0], [1586.7, 674.5], [1667.2, 822.6], [1759.4, 995.3], [1759.4, 995.3], [109.6, 929.9], [2156.8, 1856.8], [941.9, 673.4], [629.1, 766.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-15.4, -15.6, 114.6], [-16.3, 25.0, 74.0], [-15.6, 27.5, 71.5], [-15.6, 27.5, 71.5], [-12.3, -10.1, 109.1], [-17.6, -19.2, 118.2], [-13.3, -12.1, 111.1], [-9.0, -4.9, 103.8], [-9.0, -4.9, 103.8], [-72.5, -7.5, 106.5], [4.4, 20.7, 78.3], [-45.1, -19.2, 118.2], [-56.2, -14.7, 113.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [116.7, 79.8, 78.2, 78.2, 110.3, 121.0, 112.6, 104.4, 104.4, 129.1, 81.1, 128.0, 127.7] \/nStep 5, find the maximum distance to the drone: 129.1 \/nStep 6, identify the brand of this vehicle: toyota",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2031
+    },
+    {
+        "image":"7e83e4b3-DJI_0613.JPG",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Assuming the flight speed of the drone is 12 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":10.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1626.7, 747.3], [1388.0, 2062.1], [1394.8, 2194.1], [1394.8, 2194.1], [1688.5, 867.0], [1586.7, 674.5], [1667.2, 822.6], [1759.4, 995.3], [1759.4, 995.3], [109.6, 929.9], [2156.8, 1856.8], [941.9, 673.4], [629.1, 766.5]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-15.4, -15.6, 114.6], [-16.3, 25.0, 74.0], [-15.6, 27.5, 71.5], [-15.6, 27.5, 71.5], [-12.3, -10.1, 109.1], [-17.6, -19.2, 118.2], [-13.3, -12.1, 111.1], [-9.0, -4.9, 103.8], [-9.0, -4.9, 103.8], [-72.5, -7.5, 106.5], [4.4, 20.7, 78.3], [-45.1, -19.2, 118.2], [-56.2, -14.7, 113.7]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [116.7, 79.8, 78.2, 78.2, 110.3, 121.0, 112.6, 104.4, 104.4, 129.1, 81.1, 128.0, 127.7] \/nStep 5, find the maximum distance to the drone: 129.1 \/nStep 6, calculate the flight time of the drone: 129.1\/12=10.8",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":13,
+        "region":"image-level",
+        "qid":2032
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Monica said she bought a new brown car. Is there a possibility of Monica's new car in the picture? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'white', 'black', 'black', 'silver', 'silver', 'blue', 'white', 'red', 'brown', 'black', 'black', 'black', 'black', 'silver', 'brown', 'white', 'white', 'white', 'white', 'black', 'golden', 'golden', 'golden', 'golden'] \/nStep 2, there is an brown car here, so it may be Monica's car.",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"identify vehicle by color",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":2,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2033
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What's the above ground level of the drone when taking this photo? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"110",
+        "eva":"int",
+        "rationale":"Step 1, estimate the scale of the image based on the size of the vehicles. \/nStep 2, calculate the above ground level based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"above ground level",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2034
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the camera has a pitch angle of 90 degrees when facing down vertically from the ground. What's the pitch angle of the drone when taking this photo? (Unit: degree)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters.",
+        "choices":"",
+        "answer":"45",
+        "eva":"int",
+        "rationale":"Step 1, estimate the normal vector of the ground plane. \/nStep 2, calculate the pitch angle based on camera imaging principle.",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"pitch angle",
+        "step":2,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2035
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which of the following options is most likely to be the range of ground area that can be monitored in this remote sensing image? (Unit: square meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":57284,
+        "eva":"int",
+        "rationale":"Step 1, convert four corners of the image from pixel coordinate system to image coordinate system. \/nStep 2, convert four corners of the image from pixel coordinate system to camera coordinate system: [[-188.6, -106.1, 261.7], [79.8, 44.9, 110.7], [-79.8, 44.9, 110.7], [188.5, -106.1, 261.7]] \/nStep 3, calculate the area based on four points in the camera coordinate system: 57284",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"coverage area of the entire image",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2036
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are all the vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"A) 5840000. B) 292. C) 1752. D) 194.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'buick velite 6', 'audi a6l', 'hongqi h9', 'audi q5l', 'audi q5l', 'buick velite 6', 'volkswagen t-cross', 'audi a3', 'chevrolet c6', 'ford edge', 'volkswagen touareg', 'volkswagen touareg', 'honda vezel', 'lexus  es', 'ford escort', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'lincoln aviator', 'buick gl8', 'buick gl8', 'buick gl8', 'buick gl8'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000} \nStep 3, sum the price of each vehicle: 5840000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2037
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How much are white vehicles in the image worth in total? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"A) 84375. B) 77500. C) 75000. D) 675000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'white', 'black', 'black', 'silver', 'silver', 'blue', 'white', 'red', 'brown', 'black', 'black', 'black', 'black', 'silver', 'brown', 'white', 'white', 'white', 'white', 'black', 'golden', 'golden', 'golden', 'golden'] \nStep 2, identify the model of white vehicles: ['changan cs75', 'buick velite 6', 'buick velite 6', 'volkswagen t-cross', 'haval m6', 'haval m6', 'haval m6', 'haval m6'] \nStep 3, query vehicle prices: {'changan cs75': 80000, 'buick velite 6': 100000, 'volkswagen t-cross': 95000, 'haval m6': 75000} \nStep 4, sum the price of each white vehicle: 675000",
+        "subject":"arithmetic",
+        "topic":"addition",
+        "task":"total price with specific vehicles",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2038
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the average price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":216296,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'buick velite 6', 'audi a6l', 'hongqi h9', 'audi q5l', 'audi q5l', 'buick velite 6', 'volkswagen t-cross', 'audi a3', 'chevrolet c6', 'ford edge', 'volkswagen touareg', 'volkswagen touareg', 'honda vezel', 'lexus  es', 'ford escort', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'lincoln aviator', 'buick gl8', 'buick gl8', 'buick gl8', 'buick gl8'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000} \nStep 3, calculate the average price of all vehicles: 216296",
+        "subject":"statistics",
+        "topic":"mean",
+        "task":"average price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2039
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the median price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'buick velite 6', 'audi a6l', 'hongqi h9', 'audi q5l', 'audi q5l', 'buick velite 6', 'volkswagen t-cross', 'audi a3', 'chevrolet c6', 'ford edge', 'volkswagen touareg', 'volkswagen touareg', 'honda vezel', 'lexus  es', 'ford escort', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'lincoln aviator', 'buick gl8', 'buick gl8', 'buick gl8', 'buick gl8'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000} \nStep 3, calculate the median price of all vehicles: 150000",
+        "subject":"statistics",
+        "topic":"median",
+        "task":"median price of all vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2040
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the maximum length of all the vehicles in the image? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at each vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate length of all vehicles in camera coordinate system: [4.7, 4.7, 4.7, 4.7, 5.0, 5.1, 4.8, 4.8, 4.7, 4.2, 4.3, 5.0, 5.0, 5.1, 5.1, 4.4, 5.0, 4.6, 4.7, 4.7, 4.7, 4.7, 5.1, 5.2, 5.2, 5.2, 5.2] \nStep 5, find the maximum length of all vehicles: 5.2",
+        "subject":"statistics",
+        "topic":"maximum",
+        "task":"maximum length of all vehicles",
+        "step":5,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2041
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the minimum price of all the vehicles in the image? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"A) 40000. B) 216296. C) 625000. D) 150000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'buick velite 6', 'audi a6l', 'hongqi h9', 'audi q5l', 'audi q5l', 'buick velite 6', 'volkswagen t-cross', 'audi a3', 'chevrolet c6', 'ford edge', 'volkswagen touareg', 'volkswagen touareg', 'honda vezel', 'lexus  es', 'ford escort', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'lincoln aviator', 'buick gl8', 'buick gl8', 'buick gl8', 'buick gl8'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000} \nStep 3, calculate the minimum price of all vehicles: 40000",
+        "subject":"statistics",
+        "topic":"minimum",
+        "task":"minimum price of all vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2042
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What color of vehicle is most common in the image?",
+        "context":"",
+        "choices":"",
+        "answer":"white",
+        "eva":"str",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'white', 'black', 'black', 'silver', 'silver', 'blue', 'white', 'red', 'brown', 'black', 'black', 'black', 'black', 'silver', 'brown', 'white', 'white', 'white', 'white', 'black', 'golden', 'golden', 'golden', 'golden'] \/nStep 2, count vehicles for each color: {'blue': 2, 'white': 8, 'black': 7, 'silver': 3, 'red': 1, 'brown': 2, 'golden': 4}. \/nStep 3, sort to get the most common color: white",
+        "subject":"statistics",
+        "topic":"mode",
+        "task":"most common property value",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2043
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming that the drone has been hovering here, and there were 17 cars in this area three hours ago, how many cars have entered this area at least within three hours?",
+        "context":"",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, count all current vehicles: 27 \/nStep 2, the number of cars entering the area is at least equal to the increase in the number of cars in the area during this period: 27-17=10",
+        "subject":"logic",
+        "topic":"inductive reasoning",
+        "task":"changes in the number of vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2044
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many mid-size vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the type of all vehicles: ['compact', 'suv', 'compact', 'compact', 'full-size', 'full-size', 'suv', 'suv', 'compact', 'suv', 'compact', 'mid-size', 'suv', 'suv', 'suv', 'suv', 'mid-size', 'compact', 'suv', 'suv', 'suv', 'suv', 'suv', 'mpv', 'mpv', 'mpv', 'mpv'] \/nStep 2, count all mid-size vehicles: 2",
+        "subject":"counting",
+        "topic":"counting based on single property",
+        "task":"count vehicles based on type",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2045
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles are priced above 100000? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":15,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of all vehicles: ['hyundai lafesta', 'changan cs75', 'buick velite 6', 'buick velite 6', 'audi a6l', 'hongqi h9', 'audi q5l', 'audi q5l', 'buick velite 6', 'volkswagen t-cross', 'audi a3', 'chevrolet c6', 'ford edge', 'volkswagen touareg', 'volkswagen touareg', 'honda vezel', 'lexus  es', 'ford escort', 'haval m6', 'haval m6', 'haval m6', 'haval m6', 'lincoln aviator', 'buick gl8', 'buick gl8', 'buick gl8', 'buick gl8'] \nStep 2, query all vehicle prices: {'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000} \nStep 3, count vehicles priced above 100000 RMB: 15",
+        "subject":"counting",
+        "topic":"counting based on comparison",
+        "task":"count vehicles by comparing prices",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2046
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many blue suv vehicles are there in the image?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the color of all vehicles: ['blue', 'white', 'white', 'white', 'black', 'black', 'silver', 'silver', 'blue', 'white', 'red', 'brown', 'black', 'black', 'black', 'black', 'silver', 'brown', 'white', 'white', 'white', 'white', 'black', 'golden', 'golden', 'golden', 'golden'] \nStep 2, identify the type of blue vehicles: ['compact', 'compact'] \nStep 3, count blue suv vehicles: 0",
+        "subject":"counting",
+        "topic":"counting based on multiple properties",
+        "task":"count vehicles based on color and type",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2047
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What brand is the vehicle farthest to the drone?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"haval",
+        "eva":"str",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1949.4, 1747.7], [1950.5, 1693.7], [1950.5, 1850.7], [1950.5, 1850.7], [1947.2, 1563.0], [1954.9, 1957.4], [2339.7, 997.8], [2339.7, 997.8], [2417.2, 809.8], [1953.1, 1017.1], [2436.4, 765.5], [2330.5, 1043.5], [2374.9, 913.1], [2581.9, 858.8], [2581.9, 858.8], [1995.7, 717.8], [2472.7, 692.7], [2595.7, 896.6], [2669.2, 474.2], [2669.2, 474.2], [2669.2, 474.2], [2669.2, 474.2], [2617.9, 947.0], [1894.0, 839.8], [1894.0, 839.8], [1894.0, 839.8], [1894.0, 839.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 2, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.3, 28.5, 127.0], [-2.3, 26.5, 129.1], [-2.2, 32.3, 123.3], [-2.2, 32.3, 123.3], [-2.6, 21.2, 134.4], [-1.9, 35.9, 119.7], [20.0, -7.5, 163.0], [20.0, -7.5, 163.0], [26.4, -19.9, 175.5], [-2.7, -6.3, 161.9], [28.1, -23.2, 178.7], [19.1, -4.7, 160.3], [22.8, -12.9, 168.4], [36.1, -16.5, 172.1], [36.1, -16.5, 172.1], [-0.3, -26.8, 182.3], [31.4, -28.7, 184.3], [36.4, -14.0, 169.5], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [37.0, -10.7, 166.2], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [130.2, 131.8, 127.5, 127.5, 136.0, 124.9, 164.4, 164.4, 178.6, 162.0, 182.4, 161.5, 170.4, 176.6, 176.6, 184.3, 189.1, 173.9, 214.4, 214.4, 214.4, 214.4, 170.6, 174.4, 174.4, 174.4, 174.4] \/nStep 5, find the maximum distance to the drone: 214.4 \/nStep 6, identify the brand of this vehicle: haval",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"property of the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2048
+    },
+    {
+        "image":"87bdf306-DJI_0621.JPG",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Assuming the flight speed of the drone is 10 meters per second, how long does it take for the drone to reach the farthest vehicle? (Unit: second)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":21.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of each vehicle: [[1949.4, 1747.7], [1950.5, 1693.7], [1950.5, 1850.7], [1950.5, 1850.7], [1947.2, 1563.0], [1954.9, 1957.4], [2339.7, 997.8], [2339.7, 997.8], [2417.2, 809.8], [1953.1, 1017.1], [2436.4, 765.5], [2330.5, 1043.5], [2374.9, 913.1], [2581.9, 858.8], [2581.9, 858.8], [1995.7, 717.8], [2472.7, 692.7], [2595.7, 896.6], [2669.2, 474.2], [2669.2, 474.2], [2669.2, 474.2], [2669.2, 474.2], [2617.9, 947.0], [1894.0, 839.8], [1894.0, 839.8], [1894.0, 839.8], [1894.0, 839.8]] \/nStep 2, convert center point of each vehicle from pixel coordinate system to image coordinate system. \/nStep 3, convert center point of each vehicle from image coordinate system to camera coordinate system: [[-2.3, 28.5, 127.0], [-2.3, 26.5, 129.1], [-2.2, 32.3, 123.3], [-2.2, 32.3, 123.3], [-2.6, 21.2, 134.4], [-1.9, 35.9, 119.7], [20.0, -7.5, 163.0], [20.0, -7.5, 163.0], [26.4, -19.9, 175.5], [-2.7, -6.3, 161.9], [28.1, -23.2, 178.7], [19.1, -4.7, 160.3], [22.8, -12.9, 168.4], [36.1, -16.5, 172.1], [36.1, -16.5, 172.1], [-0.3, -26.8, 182.3], [31.4, -28.7, 184.3], [36.4, -14.0, 169.5], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [49.0, -47.7, 203.2], [37.0, -10.7, 166.2], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4], [-6.6, -17.8, 173.4]] \/nStep 4, calculate distance of each vehicle in camera coordinate system: [130.2, 131.8, 127.5, 127.5, 136.0, 124.9, 164.4, 164.4, 178.6, 162.0, 182.4, 161.5, 170.4, 176.6, 176.6, 184.3, 189.1, 173.9, 214.4, 214.4, 214.4, 214.4, 170.6, 174.4, 174.4, 174.4, 174.4] \/nStep 5, find the maximum distance to the drone: 214.4 \/nStep 6, calculate the flight time of the drone: 214.4\/10=21.4",
+        "subject":"geometry",
+        "topic":"spatial relationship",
+        "task":"time to the farthest vehicle",
+        "step":6,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"image-level",
+        "qid":2049
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, 3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2847, 2008] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2050
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [13, -11, 41]. B) [-11, -11, 41]. C) [-11, 13, 41]. D) [12, 12, 40].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2847, 2008] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, 12, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2051
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":43.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2847, 2008] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, 12, 40] \/nStep 4, calculate distance in camera coordinate system: 43.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2052
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"A) 0. B) 4. C) 2. D) 10.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick envision \nStep 2, query the vehicle price: 205000 \nStep 3, calculate integer division: 1000000\/\/205000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2053
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [2847, 1986]. B) [1153, 1986]. C) [1153, 264]. D) [2847, 264].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2847, 2008] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [38, 40, 125] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [38, 39, 125]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2847, 1986]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2054
+    },
+    {
+        "image":"289a4cc2-DJI_0005_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.6. B) 1.7. C) 1.8. D) 1.4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2055
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2363, 1790] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2056
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[10, 19, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2363, 1790] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 19, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2057
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 82.9. B) 88.1. C) 77.7. D) 103.0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2363, 1790] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 19, 80] \/nStep 4, calculate distance in camera coordinate system: 82.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2058
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"A) 10. B) 7. C) 8. D) 25.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen santana \nStep 2, query the vehicle price: 40000 \nStep 3, calculate integer division: 1000000\/\/40000=25",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2059
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2363, 1781]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2363, 1790] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [43, 80, 333] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [43, 79, 333]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2363, 1781]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2060
+    },
+    {
+        "image":"c36286ef-DJI_0013_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2061
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 1]. B) [2, 0]. C) [-1, 1]. D) [3, 1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2583, 920] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2062
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-24, -7, 121]. B) [26, 9, 121]. C) [25, -8, 120]. D) [-24, 9, 121].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2583, 920] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [25, -8, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2063
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":122.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2583, 920] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [25, -8, 120] \/nStep 4, calculate distance in camera coordinate system: 122.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2064
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'bmw 5 series': 425000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: tesla model y \nStep 2, query the vehicle price: 305000 \nStep 3, calculate integer division: 1000000\/\/305000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2065
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2583, 922]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2583, 920] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-342, 120, -1631] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-342, 119, -1631]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2583, 922]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2066
+    },
+    {
+        "image":"bb040668-DJI_0018_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.9. B) 1.7. C) 2.2. D) 1.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2067
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 2]. B) [1, 3]. C) [1, -1]. D) [1, -1].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2080, 1745] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2068
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [3, -21, 103]. B) [-1, -21, 103]. C) [-1, 23, 103]. D) [2, 22, 102].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2080, 1745] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [2, 22, 102]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2069
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 104.8. B) 115.1. C) 124.9. D) 99.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2080, 1745] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [2, 22, 102] \/nStep 4, calculate distance in camera coordinate system: 104.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2070
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: geely icon \nStep 2, query the vehicle price: 100000 \nStep 3, calculate integer division: 1000000\/\/100000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2071
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2081, 1731]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2080, 1745] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [4, 32, 144] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [4, 31, 143]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2081, 1731]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2072
+    },
+    {
+        "image":"04d94ffc-DJI_0021_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2073
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2654, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2074
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[17, -5, 72]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2654, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [17, -5, 72]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2075
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":74.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2654, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [17, -5, 72] \/nStep 4, calculate distance in camera coordinate system: 74.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2076
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd seal \nStep 2, query the vehicle price: 215000 \nStep 3, calculate integer division: 1000000\/\/215000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2077
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2656, 903]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2654, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [32, -10, 137] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [32, -10, 136]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2656, 903]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2078
+    },
+    {
+        "image":"56e70dfb-DJI_0030_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.8. B) 1.9. C) 2.1. D) 2.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2079
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2643, 1352] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2080
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-4, 2, 23]. B) [-4, 0, 23]. C) [5, 1, 22]. D) [6, 0, 23].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2643, 1352] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, 1, 22]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2081
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":22.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2643, 1352] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, 1, 22] \/nStep 4, calculate distance in camera coordinate system: 22.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2082
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen cc \nStep 2, query the vehicle price: 205000 \nStep 3, calculate integer division: 1000000\/\/205000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2083
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2653, 1285]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2643, 1352] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 2, 35] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [8, 2, 34]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2653, 1285]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2084
+    },
+    {
+        "image":"70a70ac2-DJI_0033_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2085
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 4]. B) [3, 4]. C) [2, -3]. D) [-1, -2].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2519, 339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2086
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-4, -6, 28]. B) [6, 8, 28]. C) [-4, 8, 28]. D) [5, -7, 27].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2519, 339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, -7, 27]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2087
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 39.5. B) 29.2. C) 34.4. D) 24.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2519, 339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, -7, 27] \/nStep 4, calculate distance in camera coordinate system: 29.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2088
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"A) 6. B) 10. C) 13. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2089
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2523, 303]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2519, 339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [14, -22, 78] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [14, -23, 77]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2523, 303]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2090
+    },
+    {
+        "image":"ea70ff76-DJI_0042_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.9. B) 4.5. C) 4.6. D) 4.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2091
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1323, 1316] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2092
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, 1, 22]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1323, 1316] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 1, 22]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2093
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 43.0. B) 28.1. C) 17.7. D) 22.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1323, 1316] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 1, 22] \/nStep 4, calculate distance in camera coordinate system: 22.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2094
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":22,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: hyundai coupe \nStep 2, query the vehicle price: 45000 \nStep 3, calculate integer division: 1000000\/\/45000=22",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2095
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [2686, 1251]. B) [2686, 999]. C) [1314, 999]. D) [1314, 1251].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1323, 1316] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-8, 2, 35] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-8, 1, 35]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1314, 1251]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2096
+    },
+    {
+        "image":"42694b35-DJI_0044_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2097
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[6, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3507, 973] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2098
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [13, 2, 24]. B) [12, -1, 23]. C) [-11, 0, 24]. D) [-11, 2, 24].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3507, 973] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -1, 23]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2099
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":27.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3507, 973] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -1, 23] \/nStep 4, calculate distance in camera coordinate system: 27.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2100
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"A) 1. B) 5. C) 4. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: tesla model y \nStep 2, query the vehicle price: 305000 \nStep 3, calculate integer division: 1000000\/\/305000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2101
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[3525, 917]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3507, 973] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [24, -2, 44] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [24, -3, 43]  \nStep 5, convert its from camera coordinate system to image coordinate system: [6, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3525, 917]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2102
+    },
+    {
+        "image":"efa34dff-DJI_0046_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 2.0. B) 1.9. C) 1.7. D) 2.1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2103
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[6, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3580, 919] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2104
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[13, -1, 24]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3580, 919] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [13, -1, 24]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2105
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":27.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3580, 919] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [13, -1, 24] \/nStep 4, calculate distance in camera coordinate system: 27.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2106
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda octavia \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2107
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[3597, 864]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3580, 919] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -3, 45] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [26, -4, 45]  \nStep 5, convert its from camera coordinate system to image coordinate system: [6, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3597, 864]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2108
+    },
+    {
+        "image":"19edc9d7-DJI_0047_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.5. B) 1.4. C) 1.3. D) 1.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2109
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[4, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2977, 1751] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2110
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[28, 18, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2977, 1751] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 18, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2111
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 87.5. B) 92.7. C) 82.3. D) 107.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2977, 1751] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 18, 80] \/nStep 4, calculate distance in camera coordinate system: 87.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2112
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: toyota highlander \nStep 2, query the vehicle price: 250000 \nStep 3, calculate integer division: 1000000\/\/250000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2113
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2986, 1732]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2977, 1751] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 18, 80] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [28, 17, 80]  \nStep 5, convert its from camera coordinate system to image coordinate system: [4, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2986, 1732]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2114
+    },
+    {
+        "image":"db6767fa-DJI_0055_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2115
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1335, 1795] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2116
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-19, 19, 79]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1335, 1795] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-19, 19, 79]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2117
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 79.0. B) 89.4. C) 104.3. D) 84.2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1335, 1795] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-19, 19, 79] \/nStep 4, calculate distance in camera coordinate system: 84.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2118
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000}",
+        "choices":"A) 4. B) 8. C) 9. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen cc \nStep 2, query the vehicle price: 205000 \nStep 3, calculate integer division: 1000000\/\/205000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2119
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1329, 1776]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1335, 1795] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-19, 19, 79] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-19, 18, 79]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1329, 1776]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2120
+    },
+    {
+        "image":"861fc6bd-DJI_0059_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.9. B) 2.2. C) 1.7. D) 2.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2121
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 1]. B) [0, 1]. C) [1, 0]. D) [2, 1].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2461, 1255] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2122
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-23, -5, 149]. B) [24, 6, 148]. C) [-23, 7, 149]. D) [25, -5, 149].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2461, 1255] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [24, 6, 148]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2123
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 150.8. B) 145.6. C) 161.1. D) 170.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2461, 1255] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [24, 6, 148] \/nStep 4, calculate distance in camera coordinate system: 150.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2124
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 22. B) 5. C) 1. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick excelle \nStep 2, query the vehicle price: 45000 \nStep 3, calculate integer division: 1000000\/\/45000=22",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2125
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2464, 1242]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2461, 1255] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [24, 6, 148] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [24, 6, 147]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2464, 1242]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2126
+    },
+    {
+        "image":"44c53c13-DJI_0061_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.7. B) 1.8. C) 2.0. D) 1.9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2127
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-5, -3]. B) [-6, 4]. C) [7, 5]. D) [7, -3].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [594, 2101] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, 4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2128
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-57, -39, 116]. B) [-58, 40, 115]. C) [59, -39, 116]. D) [59, 41, 116].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [594, 2101] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-58, 40, 115]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2129
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 155.3. B) 135.2. C) 140.4. D) 145.5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [594, 2101] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-58, 40, 115] \/nStep 4, calculate distance in camera coordinate system: 135.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2130
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 0. B) 10. C) 9. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi a8 \nStep 2, query the vehicle price: 1250000 \nStep 3, calculate integer division: 1000000\/\/1250000=0",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2131
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[586, 2090]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [594, 2101] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-58, 40, 115] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-58, 39, 114]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-6, 4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [586, 2090]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2132
+    },
+    {
+        "image":"735e641f-DJI_0062_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":5.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2133
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[5, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3363, 1435] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2134
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-67, 16, 140]. B) [-67, -14, 140]. C) [69, -14, 140]. D) [68, 15, 139].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3363, 1435] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [68, 15, 139]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2135
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 156.7. B) 167.0. C) 161.9. D) 151.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3363, 1435] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [68, 15, 139] \/nStep 4, calculate distance in camera coordinate system: 156.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2136
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen golf \nStep 2, query the vehicle price: 175000 \nStep 3, calculate integer division: 1000000\/\/175000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2137
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[3370, 1423]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3363, 1435] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [68, 15, 139] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [68, 14, 139]  \nStep 5, convert its from camera coordinate system to image coordinate system: [5, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3370, 1423]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2138
+    },
+    {
+        "image":"39f43a0a-DJI_0063_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2139
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[5, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3198, 1705] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2140
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [35, -15, 81]. B) [-33, 17, 81]. C) [34, 16, 80]. D) [-33, -15, 81].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3198, 1705] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [34, 16, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2141
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 88.7. B) 83.5. C) 108.8. D) 93.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3198, 1705] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [34, 16, 80] \/nStep 4, calculate distance in camera coordinate system: 88.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2142
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick lacrosse \nStep 2, query the vehicle price: 170000 \nStep 3, calculate integer division: 1000000\/\/170000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2143
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[3198, 1698]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3198, 1705] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [165, 80, 382] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [165, 79, 382]  \nStep 5, convert its from camera coordinate system to image coordinate system: [5, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3198, 1698]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2144
+    },
+    {
+        "image":"e6667ce3-DJI_0115_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2145
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2221, 740] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2146
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[9, -16, 120]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2221, 740] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [9, -16, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2147
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 116.3. B) 141.6. C) 121.5. D) 131.8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2221, 740] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [9, -16, 120] \/nStep 4, calculate distance in camera coordinate system: 121.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2148
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"A) 3. B) 6. C) 2. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: mini mini \nStep 2, query the vehicle price: 270000 \nStep 3, calculate integer division: 1000000\/\/270000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2149
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2221, 744]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2221, 740] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-69, 120, -867] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-69, 119, -867]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2221, 744]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2150
+    },
+    {
+        "image":"ef434dcd-DJI_0120_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.6. B) 1.5. C) 1.4. D) 1.8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2151
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-6, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [501, 387] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2152
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-44, -21, 81]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [501, 387] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-44, -21, 81]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2153
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":95.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [501, 387] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-44, -21, 81] \/nStep 4, calculate distance in camera coordinate system: 95.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2154
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"A) 4. B) 0. C) 6. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song plus \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2155
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [3502, 375]. B) [498, 1875]. C) [498, 375]. D) [3502, 1875].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [501, 387] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-6, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-120, -59, 222] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-120, -59, 221]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-6, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [498, 375]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2156
+    },
+    {
+        "image":"804bf3b1-DJI_0130_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2157
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-6, -1]. B) [-6, 3]. C) [7, -2]. D) [8, 3].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3750, 579] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2158
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [34, 11, 53]. B) [-32, 11, 53]. C) [33, -10, 52]. D) [-32, -9, 53].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3750, 579] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [33, -10, 52]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2159
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":63.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3750, 579] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [33, -10, 52] \/nStep 4, calculate distance in camera coordinate system: 63.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2160
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'ford focus': 55000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi q3 \nStep 2, query the vehicle price: 215000 \nStep 3, calculate integer division: 1000000\/\/215000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2161
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[3774, 534]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3750, 579] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [33, -10, 52] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [33, -11, 52]  \nStep 5, convert its from camera coordinate system to image coordinate system: [7, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3774, 534]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2162
+    },
+    {
+        "image":"436392aa-DJI_0146_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2163
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 1]. B) [0, 0]. C) [1, 1]. D) [1, 1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1809, 1053] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2164
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 2, 44]. B) [3, 0, 44]. C) [-2, -1, 43]. D) [3, 2, 44].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1809, 1053] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -1, 43]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2165
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 43.7. B) 63.8. C) 48.9. D) 38.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1809, 1053] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -1, 43] \/nStep 4, calculate distance in camera coordinate system: 43.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2166
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"A) 1. B) 7. C) 5. D) 8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen t-roc \nStep 2, query the vehicle price: 135000 \nStep 3, calculate integer division: 1000000\/\/135000=7",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2167
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1805, 1006]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1809, 1053] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -1, 43] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-2, -1, 42]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1805, 1006]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2168
+    },
+    {
+        "image":"05e3969e-DJI_0152_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2169
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [3, 4]. B) [-1, 4]. C) [-1, -2]. D) [2, -3].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2538, 383] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2170
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[26, -36, 135]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2538, 383] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -36, 135]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2171
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":142.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2538, 383] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -36, 135] \/nStep 4, calculate distance in camera coordinate system: 142.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2172
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe erx5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2173
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2541, 365]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2538, 383] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -36, 135] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [26, -36, 134]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2541, 365]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2174
+    },
+    {
+        "image":"255c8337-DJI_0160_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.7. B) 4.5. C) 4.9. D) 4.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2175
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1771, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2176
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-9, -14, 120]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1771, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, -14, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2177
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":121.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1771, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, -14, 120] \/nStep 4, calculate distance in camera coordinate system: 121.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2178
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"A) 7. B) 10. C) 4. D) 9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi q3 \nStep 2, query the vehicle price: 215000 \nStep 3, calculate integer division: 1000000\/\/215000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2179
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1771, 782]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1771, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [79, 120, -964] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [79, 119, -964]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1771, 782]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2180
+    },
+    {
+        "image":"185d23b2-DJI_0184_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.8. B) 4.6. C) 4.5. D) 4.4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2181
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-1, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1660, 636] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2182
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-9, -13, 77]. B) [10, 14, 78]. C) [10, -12, 78]. D) [-8, 14, 78].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1660, 636] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, -13, 77]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2183
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":78.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1660, 636] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, -13, 77] \/nStep 4, calculate distance in camera coordinate system: 78.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2184
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'volkswagen tayron gte': 215000, 'bmw 4 series': 455000, 'chery tiggo': 15000}",
+        "choices":"A) 9. B) 5. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: lexus rx \nStep 2, query the vehicle price: 480000 \nStep 3, calculate integer division: 1000000\/\/480000=2",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2185
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1659, 621]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1660, 636] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-21, -30, 172] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-21, -31, 172]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1659, 621]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2186
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.9. B) 5.0. C) 4.8. D) 5.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2187
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1922, 976] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2188
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -5, 104]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1922, 976] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -5, 104]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2189
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 104.8. B) 110.0. C) 115.1. D) 99.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1922, 976] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -5, 104] \/nStep 4, calculate distance in camera coordinate system: 104.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2190
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe erx5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2191
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1922, 956]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1922, 976] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -5, 104] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-2, -6, 103]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1922, 956]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2192
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.7. B) 1.8. C) 2.0. D) 1.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2193
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[6, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3463, 777] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2194
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [22, 6, 41]. B) [-20, -4, 41]. C) [21, -5, 40]. D) [-20, 6, 41].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3463, 777] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [21, -5, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2195
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":45.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3463, 777] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [21, -5, 40] \/nStep 4, calculate distance in camera coordinate system: 45.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2196
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000}",
+        "choices":"A) 6. B) 13. C) 1. D) 10.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2197
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [3463, 785]. B) [3463, 1465]. C) [537, 1465]. D) [537, 785].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [3463, 777] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-168, 40, -319] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-168, 39, -319]  \nStep 5, convert its from camera coordinate system to image coordinate system: [6, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3463, 785]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2198
+    },
+    {
+        "image":"f87d7dee-DJI_0229_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2199
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1518, 1602] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2200
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-12, -12, 81]. B) [-13, 13, 80]. C) [14, -12, 81]. D) [14, 14, 81].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1518, 1602] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-13, 13, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2201
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":82.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1518, 1602] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-13, 13, 80] \/nStep 4, calculate distance in camera coordinate system: 82.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2202
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd qin plus \nStep 2, query the vehicle price: 105000 \nStep 3, calculate integer division: 1000000\/\/105000=9",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2203
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1518, 1596]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1518, 1602] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-80, 80, 464] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-80, 79, 464]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1518, 1596]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2204
+    },
+    {
+        "image":"e0a623cb-DJI_0231_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2205
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 1]. B) [3, 0]. C) [-1, 2]. D) [-1, 0].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2673, 1583] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2206
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [19, 13, 80]. B) [-18, 14, 81]. C) [20, -12, 81]. D) [-18, -12, 81].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2673, 1583] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [19, 13, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2207
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 83.4. B) 93.7. C) 103.5. D) 78.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2673, 1583] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [19, 13, 80] \/nStep 4, calculate distance in camera coordinate system: 83.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2208
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 13. B) 5. C) 8. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2209
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2673, 1577]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2673, 1583] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [117, 80, 484] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [117, 79, 484]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2673, 1577]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2210
+    },
+    {
+        "image":"85bdfe83-DJI_0232_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2211
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[4, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3063, 1521] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2212
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-45, -16, 121]. B) [-45, 18, 121]. C) [46, 17, 120]. D) [47, -16, 121].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3063, 1521] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [46, 17, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2213
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":129.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3063, 1521] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [46, 17, 120] \/nStep 4, calculate distance in camera coordinate system: 129.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2214
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":13,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2215
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[3063, 1518]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3063, 1521] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [321, 119, 839] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [321, 118, 839]  \nStep 5, convert its from camera coordinate system to image coordinate system: [4, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3063, 1518]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2216
+    },
+    {
+        "image":"799f2d79-DJI_0235_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2217
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-2, 2]. B) [3, 1]. C) [4, 0]. D) [-2, 0].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2871, 1514] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2218
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[33, 14, 106]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2871, 1514] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [33, 14, 106]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2219
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":113.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2871, 1514] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [33, 14, 106] \/nStep 4, calculate distance in camera coordinate system: 113.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2220
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: nissan x-trail \nStep 2, query the vehicle price: 175000 \nStep 3, calculate integer division: 1000000\/\/175000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2221
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2874, 1500]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2871, 1514] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [50, 22, 160] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [50, 21, 160]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2874, 1500]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2222
+    },
+    {
+        "image":"b9806323-DJI_0236_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2223
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1850, 1372] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2224
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [6, 10, 110]. B) [-4, -8, 110]. C) [-5, 9, 109]. D) [6, -8, 110].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1850, 1372] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 9, 109]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2225
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":110.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1850, 1372] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 9, 109] \/nStep 4, calculate distance in camera coordinate system: 110.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2226
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: hyundai tucson \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2227
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1849, 1358]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1850, 1372] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 15, 173] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-9, 14, 172]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1849, 1358]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2228
+    },
+    {
+        "image":"3f3c425a-DJI_0237_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.8. B) 4.6. C) 4.9. D) 4.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2229
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-1, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1752, 1356] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2230
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [10, -8, 111]. B) [-9, 9, 110]. C) [10, 10, 111]. D) [-8, -8, 111].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1752, 1356] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 9, 110]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2231
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 105.8. B) 116.2. C) 111.0. D) 131.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1752, 1356] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 9, 110] \/nStep 4, calculate distance in camera coordinate system: 111.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2232
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'lexus es': 340000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen passat \nStep 2, query the vehicle price: 135000 \nStep 3, calculate integer division: 1000000\/\/135000=7",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2233
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1751, 1343]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1752, 1356] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 14, 174] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-15, 13, 174]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1751, 1343]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2234
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2235
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [4, -1]. B) [-2, -1]. C) [4, 3]. D) [-3, 2].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1291, 1793] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2236
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [16, 15, 61]. B) [-14, -13, 61]. C) [16, -13, 61]. D) [-15, 14, 60].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1291, 1793] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 14, 60]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2237
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 84.6. B) 74.8. C) 69.7. D) 64.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1291, 1793] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 14, 60] \/nStep 4, calculate distance in camera coordinate system: 64.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2238
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: toyota corolla \nStep 2, query the vehicle price: 95000 \nStep 3, calculate integer division: 1000000\/\/95000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2239
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1286, 1768]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1291, 1793] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-21, 20, 84] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-21, 19, 84]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-3, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1286, 1768]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2240
+    },
+    {
+        "image":"b1f13c11-DJI_0242_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2241
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2079, 1224] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2242
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 2, 67]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2079, 1224] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 2, 67]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2243
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":67.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2079, 1224] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 2, 67] \/nStep 4, calculate distance in camera coordinate system: 67.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2244
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 8. B) 1. C) 50. D) 6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe 550 \nStep 2, query the vehicle price: 20000 \nStep 3, calculate integer division: 1000000\/\/20000=50",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2245
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [1921, 1047]. B) [1921, 1203]. C) [2079, 1047]. D) [2079, 1203].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2079, 1224] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [3, 4, 112] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [3, 3, 112]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2079, 1203]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2246
+    },
+    {
+        "image":"81c15dd9-DJI_0243_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2247
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [5, 2]. B) [5, 0]. C) [-3, 2]. D) [-4, -1].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [845, 770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2248
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [21, 7, 49]. B) [-19, 7, 49]. C) [21, -5, 49]. D) [-20, -6, 48].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [845, 770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-20, -6, 48]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2249
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":53.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [845, 770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-20, -6, 48] \/nStep 4, calculate distance in camera coordinate system: 53.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2250
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":9,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda kamiq \nStep 2, query the vehicle price: 110000 \nStep 3, calculate integer division: 1000000\/\/110000=9",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2251
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[828, 724]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [845, 770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-20, -6, 48] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-20, -6, 47]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [828, 724]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2252
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2253
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, -1]. B) [1, 0]. C) [1, 2]. D) [1, 2].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1862, 844] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2254
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [3, -3, 48]. B) [-2, -4, 47]. C) [-1, 5, 48]. D) [3, 5, 48].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1862, 844] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 47]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2255
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 52.7. B) 57.8. C) 47.5. D) 42.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1862, 844] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 47] \/nStep 4, calculate distance in camera coordinate system: 47.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2256
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: rising marvel r \nStep 2, query the vehicle price: 115000 \nStep 3, calculate integer division: 1000000\/\/115000=8",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2257
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1860, 798]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1862, 844] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 47] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-2, -5, 46]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1860, 798]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2258
+    },
+    {
+        "image":"b46ffff0-DJI_0258_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.6. B) 1.7. C) 1.4. D) 1.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2259
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1943, 994] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2260
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -4, 103]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1943, 994] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 103]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2261
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 109.2. B) 124.1. C) 114.3. D) 104.0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1943, 994] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 103] \/nStep 4, calculate distance in camera coordinate system: 104.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2262
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: porsche macan \nStep 2, query the vehicle price: 715000 \nStep 3, calculate integer division: 1000000\/\/715000=1",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2263
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1942, 974]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1943, 994] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, -4, 103] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-2, -5, 103]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1942, 974]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2264
+    },
+    {
+        "image":"9f1989cf-DJI_0262_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2265
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 1]. B) [0, 1]. C) [2, 1]. D) [-1, 0].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1540, 1314] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2266
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-15, 6, 92]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1540, 1314] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 6, 92]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2267
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 114.2. B) 94.1. C) 88.9. D) 104.4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1540, 1314] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 6, 92] \/nStep 4, calculate distance in camera coordinate system: 94.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2268
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"A) 9. B) 6. C) 10. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo s60 \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2269
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1536, 1295]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1540, 1314] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 6, 92] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-15, 5, 91]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1536, 1295]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2270
+    },
+    {
+        "image":"54b72ba2-DJI_0263_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2271
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2325, 1528] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2272
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-14, 20, 136]. B) [-14, -18, 136]. C) [15, 19, 135]. D) [16, -18, 136].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2325, 1528] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 19, 135]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2273
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 138.1. B) 143.3. C) 132.9. D) 148.4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2325, 1528] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 19, 135] \/nStep 4, calculate distance in camera coordinate system: 138.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2274
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: hyundai tucson \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2275
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2326, 1516]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2325, 1528] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 19, 135] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [15, 19, 135]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2326, 1516]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2276
+    },
+    {
+        "image":"ca13b97d-DJI_0267_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2277
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[2, 3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2525, 1865] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2278
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[15, 21, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2525, 1865] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 21, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2279
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 79.0. B) 84.2. C) 94.5. D) 89.4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2525, 1865] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 21, 80] \/nStep 4, calculate distance in camera coordinate system: 84.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2280
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi a6l \nStep 2, query the vehicle price: 430000 \nStep 3, calculate integer division: 1000000\/\/430000=2",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2281
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2525, 1855]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2525, 1865] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [56, 80, 299] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [56, 79, 299]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2525, 1855]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2282
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2283
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[7, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3689, 1265] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2284
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[48, 4, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3689, 1265] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [48, 4, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2285
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":93.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3689, 1265] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [48, 4, 80] \/nStep 4, calculate distance in camera coordinate system: 93.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2286
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo s60 \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2287
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[3689, 1263]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3689, 1265] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [960, 80, 1577] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [960, 79, 1577]  \nStep 5, convert its from camera coordinate system to image coordinate system: [7, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3689, 1263]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2288
+    },
+    {
+        "image":"4e32da5c-DJI_0278_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 5.0. B) 5.1. C) 4.8. D) 4.7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2289
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[4, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3003, 1339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2290
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[28, 6, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3003, 1339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 6, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2291
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":85.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3003, 1339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 6, 80] \/nStep 4, calculate distance in camera coordinate system: 85.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2292
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 4. B) 6. C) 8. D) 9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo s60 \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2293
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [997, 914]. B) [3003, 1336]. C) [3003, 914]. D) [997, 1336].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [3003, 1339] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [374, 80, 1036] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [374, 79, 1036]  \nStep 5, convert its from camera coordinate system to image coordinate system: [4, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3003, 1336]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2294
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.9. B) 4.8. C) 5.1. D) 5.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2295
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1475, 427] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2296
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-22, -30, 120]. B) [-21, 31, 121]. C) [23, -29, 121]. D) [23, 31, 121].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1475, 427] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-22, -30, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2297
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":125.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1475, 427] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-22, -30, 120] \/nStep 4, calculate distance in camera coordinate system: 125.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2298
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 7. B) 14. C) 2. D) 0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: mg 5 \nStep 2, query the vehicle price: 70000 \nStep 3, calculate integer division: 1000000\/\/70000=14",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2299
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1475, 433]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1475, 427] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [90, 120, -477] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [90, 119, -477]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1475, 433]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2300
+    },
+    {
+        "image":"d4968602-DJI_0280_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2301
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2033, 1498] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2302
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 16, 120]. B) [2, -15, 121]. C) [0, -15, 121]. D) [0, 17, 121].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2033, 1498] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 16, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2303
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":121.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2033, 1498] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 16, 120] \/nStep 4, calculate distance in camera coordinate system: 121.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2304
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen tiguan \nStep 2, query the vehicle price: 55000 \nStep 3, calculate integer division: 1000000\/\/55000=18",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2305
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2033, 1495]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2033, 1498] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 120, 891] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [10, 119, 891]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2033, 1495]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2306
+    },
+    {
+        "image":"616ce28c-DJI_0281_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.6. B) 1.8. C) 1.5. D) 1.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2307
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 3]. B) [0, 2]. C) [1, -1]. D) [1, -1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2220, 1707] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2308
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-7, 22, 103]. B) [8, 21, 102]. C) [9, -20, 103]. D) [-7, -20, 103].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2220, 1707] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 21, 102]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2309
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 110.7. B) 125.6. C) 115.8. D) 105.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2220, 1707] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 21, 102] \/nStep 4, calculate distance in camera coordinate system: 105.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2310
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song plus \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2311
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2221, 1693]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2220, 1707] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, 30, 146] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [11, 29, 146]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2221, 1693]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2312
+    },
+    {
+        "image":"049975e3-DJI_0284_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 4.8. B) 5.1. C) 4.6. D) 4.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2313
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-3, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1302, 1437] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2314
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-27, 12, 108]. B) [28, -11, 109]. C) [28, 13, 109]. D) [-26, -11, 109].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1302, 1437] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-27, 12, 108]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2315
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 112.5. B) 132.6. C) 117.7. D) 107.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1302, 1437] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-27, 12, 108] \/nStep 4, calculate distance in camera coordinate system: 112.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2316
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: lexus es \nStep 2, query the vehicle price: 340000 \nStep 3, calculate integer division: 1000000\/\/340000=2",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2317
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1300, 1423]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1302, 1437] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-42, 18, 167] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-42, 17, 166]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-3, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1300, 1423]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2318
+    },
+    {
+        "image":"2d34e10a-DJI_0286_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2319
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 3]. B) [0, -2]. C) [1, 3]. D) [1, -1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2040, 609] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2320
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 15, 78]. B) [2, 15, 78]. C) [1, -14, 77]. D) [0, -13, 78].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2040, 609] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -14, 77]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2321
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":78.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2040, 609] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -14, 77] \/nStep 4, calculate distance in camera coordinate system: 78.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2322
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song \nStep 2, query the vehicle price: 55000 \nStep 3, calculate integer division: 1000000\/\/55000=18",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2323
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2040, 594]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2040, 609] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [2, -32, 176] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [2, -33, 176]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2040, 594]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2324
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.9. B) 2.2. C) 2.1. D) 1.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2325
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 4]. B) [1, -2]. C) [1, -2]. D) [0, 3].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1869, 1883] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2326
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-1, 8, 29]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1869, 1883] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-1, 8, 29]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2327
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 31.0. B) 25.8. C) 36.2. D) 51.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1869, 1883] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-1, 8, 29] \/nStep 4, calculate distance in camera coordinate system: 31.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2328
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"A) 10. B) 8. C) 0. D) 18.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song \nStep 2, query the vehicle price: 55000 \nStep 3, calculate integer division: 1000000\/\/55000=18",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2329
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1868, 1833]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1869, 1883] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-1, 11, 40] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-1, 10, 40]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1868, 1833]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2330
+    },
+    {
+        "image":"87a0c451-DJI_0308_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2331
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2589, 1150] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2332
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [9, 1, 41]. B) [8, 0, 40]. C) [-7, 1, 41]. D) [-7, 1, 41].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2589, 1150] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 0, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2333
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":40.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2589, 1150] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 0, 40] \/nStep 4, calculate distance in camera coordinate system: 40.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2334
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe erx5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2335
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2589, 1150]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2589, 1150] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [912, 40, 4295] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [912, 39, 4295]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2589, 1150]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2336
+    },
+    {
+        "image":"f33af477-DJI_0330_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2337
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-2, 3]. B) [-2, -1]. C) [3, 2]. D) [4, -1].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2818, 1803] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2338
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [12, -8, 41]. B) [-10, 10, 41]. C) [11, 9, 40]. D) [-10, -8, 41].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2818, 1803] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, 9, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2339
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 62.9. B) 42.8. C) 53.1. D) 37.6.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2818, 1803] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, 9, 40] \/nStep 4, calculate distance in camera coordinate system: 42.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2340
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000}",
+        "choices":"A) 4. B) 9. C) 5. D) 6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen magotan \nStep 2, query the vehicle price: 190000 \nStep 3, calculate integer division: 1000000\/\/190000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2341
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2818, 1786]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2818, 1803] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [48, 40, 163] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [48, 39, 163]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2818, 1786]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2342
+    },
+    {
+        "image":"a15c498a-DJI_0331_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2343
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2086, 362] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2344
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, -9, 41]. B) [2, 11, 41]. C) [0, 11, 41]. D) [1, -10, 40].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2086, 362] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -10, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2345
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 46.7. B) 51.8. C) 41.5. D) 61.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2086, 362] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -10, 40] \/nStep 4, calculate distance in camera coordinate system: 41.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2346
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen magotan \nStep 2, query the vehicle price: 190000 \nStep 3, calculate integer division: 1000000\/\/190000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2347
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2086, 381]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2086, 362] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-4, 40, -145] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-4, 39, -145]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2086, 381]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2348
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":5.0,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2349
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, -4]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1872, 136] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2350
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-2, 29, 81]. B) [4, 29, 81]. C) [4, -27, 81]. D) [-3, -28, 80].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1872, 136] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-3, -28, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2351
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":85.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1872, 136] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-3, -28, 80] \/nStep 4, calculate distance in camera coordinate system: 85.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2352
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song plus \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2353
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1872, 149]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1872, 136] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 80, -224] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [10, 79, -224]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1872, 149]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2354
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 5.1. B) 4.8. C) 4.9. D) 4.6.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2355
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2328, 1802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2356
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[14, 29, 120]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2328, 1802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [14, 29, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2357
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":124.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2328, 1802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [14, 29, 120] \/nStep 4, calculate distance in camera coordinate system: 124.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2358
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd tang \nStep 2, query the vehicle price: 225000 \nStep 3, calculate integer division: 1000000\/\/225000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2359
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2328, 1797]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2328, 1802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [58, 119, 491] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [58, 118, 491]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2328, 1797]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2360
+    },
+    {
+        "image":"c8577e8f-DJI_0336_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 2.2. B) 1.9. C) 1.7. D) 2.1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2361
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2284, 1321] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2362
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [13, -7, 121]. B) [12, 8, 120]. C) [-11, -7, 121]. D) [-11, 9, 121].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2284, 1321] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, 8, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2363
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":120.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2284, 1321] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, 8, 120] \/nStep 4, calculate distance in camera coordinate system: 120.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2364
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd tang \nStep 2, query the vehicle price: 225000 \nStep 3, calculate integer division: 1000000\/\/225000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2365
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2284, 1320]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2284, 1321] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [173, 120, 1692] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [173, 119, 1692]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2284, 1320]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2366
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2367
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, -2]. B) [1, 3]. C) [1, 3]. D) [1, -1].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2178, 525] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2368
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-6, 26, 121]. B) [8, 26, 121]. C) [-6, -24, 121]. D) [7, -25, 120].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2178, 525] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [7, -25, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2369
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":123.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2178, 525] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [7, -25, 120] \/nStep 4, calculate distance in camera coordinate system: 123.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2370
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 7. B) 0. C) 4. D) 9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick envision \nStep 2, query the vehicle price: 205000 \nStep 3, calculate integer division: 1000000\/\/205000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2371
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [1822, 530]. B) [2178, 530]. C) [2178, 1720]. D) [1822, 1720].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2178, 525] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-35, 120, -555] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-35, 119, -555]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2178, 530]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2372
+    },
+    {
+        "image":"2e65b04a-DJI_0338_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2373
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-1, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1582, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2374
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-16, 11, 108]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1582, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-16, 11, 108]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2375
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":110.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1582, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-16, 11, 108] \/nStep 4, calculate distance in camera coordinate system: 110.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2376
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"A) 7. B) 2. C) 6. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song plus \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2377
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1581, 1396]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1582, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-25, 17, 169] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-25, 16, 169]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1581, 1396]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2378
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2379
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-1, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1740, 1267] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2380
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-6, 3, 67]. B) [7, 4, 68]. C) [-5, -2, 68]. D) [7, -2, 68].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1740, 1267] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-6, 3, 67]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2381
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 78.0. B) 87.8. C) 67.7. D) 62.5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1740, 1267] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-6, 3, 67] \/nStep 4, calculate distance in camera coordinate system: 67.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2382
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'roewe erx5': 50000, 'byd tang': 225000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 3. B) 0. C) 9. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: ford taurus \nStep 2, query the vehicle price: 105000 \nStep 3, calculate integer division: 1000000\/\/105000=9",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2383
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1738, 1246]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1740, 1267] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-10, 5, 110] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-10, 4, 109]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1738, 1246]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2384
+    },
+    {
+        "image":"8aff3add-DJI_0345_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2385
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 1]. B) [-1, 0]. C) [0, 1]. D) [2, 1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1653, 1254] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2386
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [3, 0, 23]. B) [3, 2, 23]. C) [-2, 1, 22]. D) [-1, 0, 23].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1653, 1254] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 1, 22]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2387
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 17.5. B) 22.7. C) 33.0. D) 27.9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1653, 1254] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 1, 22] \/nStep 4, calculate distance in camera coordinate system: 22.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2388
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":13,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2389
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1649, 1190]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1653, 1254] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-4, 1, 37] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-4, 0, 36]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1649, 1190]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2390
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2391
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [679, 685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2392
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-12, -4, 25]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [679, 685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, -4, 25]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2393
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 28.4. B) 38.7. C) 48.5. D) 33.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [679, 685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, -4, 25] \/nStep 4, calculate distance in camera coordinate system: 28.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2394
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000}",
+        "choices":"A) 2. B) 4. C) 10. D) 7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo s60 \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2395
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [666, 1613]. B) [3334, 1613]. C) [666, 637]. D) [3334, 637].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [679, 685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-26, -8, 55] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-26, -9, 54]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [666, 637]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2396
+    },
+    {
+        "image":"d66e390e-DJI_0357_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2397
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-4, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [909, 1055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2398
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-9, 0, 23]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [909, 1055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 0, 23]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2399
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 25.2. B) 20.0. C) 35.5. D) 30.4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [909, 1055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 0, 23] \/nStep 4, calculate distance in camera coordinate system: 25.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2400
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"A) 1. B) 6. C) 2. D) 10.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen tiguan l \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2401
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[896, 996]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [909, 1055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-16, -1, 41] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-16, -1, 41]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-4, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [896, 996]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2402
+    },
+    {
+        "image":"a1b4055f-DJI_0359_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2403
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1450, 278] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2404
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-12, -18, 61]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1450, 278] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, -18, 61]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2405
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 65.0. B) 75.3. C) 59.8. D) 70.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1450, 278] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, -18, 61] \/nStep 4, calculate distance in camera coordinate system: 65.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2406
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi a4l \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2407
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1443, 236]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1450, 278] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, -18, 61] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-12, -19, 60]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1443, 236]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2408
+    },
+    {
+        "image":"2db8d02d-DJI_0361_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.5. B) 1.2. C) 1.4. D) 1.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2409
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1525, 280] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2410
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [11, -17, 61]. B) [11, 19, 61]. C) [-9, 19, 61]. D) [-10, -18, 60].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1525, 280] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-10, -18, 60]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2411
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 59.4. B) 84.7. C) 64.6. D) 74.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1525, 280] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-10, -18, 60] \/nStep 4, calculate distance in camera coordinate system: 64.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2412
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":40,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: baojun e100 \nStep 2, query the vehicle price: 25000 \nStep 3, calculate integer division: 1000000\/\/25000=40",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2413
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1519, 238]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1525, 280] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-10, -18, 60] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-10, -19, 60]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1519, 238]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2414
+    },
+    {
+        "image":"378c477a-DJI_0362_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 2.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2415
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1932, 1551] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2416
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 13, 85]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1932, 1551] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 13, 85]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2417
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 92.0. B) 97.1. C) 86.8. D) 81.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1932, 1551] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 13, 85] \/nStep 4, calculate distance in camera coordinate system: 86.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2418
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2419
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) [1931, 1532]. B) [1931, 718]. C) [2069, 1532]. D) [2069, 718].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1932, 1551] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 13, 85] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-2, 12, 85]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1931, 1532]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2420
+    },
+    {
+        "image":"584aefae-DJI_0368_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2421
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-3, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1092, 1159] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2422
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-31, 1, 97]. B) [-30, 0, 98]. C) [32, 0, 98]. D) [32, 2, 98].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1092, 1159] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-31, 1, 97]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2423
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 108.1. B) 102.9. C) 97.7. D) 113.2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1092, 1159] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-31, 1, 97] \/nStep 4, calculate distance in camera coordinate system: 102.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2424
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe erx5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2425
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) [1085, 1111]. B) [2915, 1111]. C) [1085, 1139]. D) [2915, 1139].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1092, 1159] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-31, 1, 97] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-31, 0, 97]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-3, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1085, 1139]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2426
+    },
+    {
+        "image":"2399f542-DJI_0369_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2427
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2032, 1526] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2428
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 20, 136]. B) [1, 19, 135]. C) [2, -18, 136]. D) [0, -18, 136].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2032, 1526] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 19, 135]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2429
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":137.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2032, 1526] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 19, 135] \/nStep 4, calculate distance in camera coordinate system: 137.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2430
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 5 \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2431
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2032, 1514]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2032, 1526] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, 19, 135] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [1, 18, 135]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2032, 1514]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2432
+    },
+    {
+        "image":"b2e91eea-DJI_0371_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2433
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2425, 1596] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2434
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[20, 22, 132]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2425, 1596] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [20, 22, 132]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2435
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 141.6. B) 156.5. C) 146.7. D) 136.4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2425, 1596] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [20, 22, 132] \/nStep 4, calculate distance in camera coordinate system: 136.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2436
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 4. B) 6. C) 8. D) 10.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd tang \nStep 2, query the vehicle price: 225000 \nStep 3, calculate integer division: 1000000\/\/225000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2437
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2427, 1584]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2425, 1596] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [20, 22, 132] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [20, 21, 132]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2427, 1584]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2438
+    },
+    {
+        "image":"71c8533d-DJI_0373_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 2.1. B) 1.7. C) 2.0. D) 1.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2439
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 5]. B) [0, 4]. C) [1, -3]. D) [1, -3].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1856, 2160] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2440
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, 42, 113]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1856, 2160] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 42, 113]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2441
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 126.3. B) 131.4. C) 121.1. D) 115.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1856, 2160] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 42, 113] \/nStep 4, calculate distance in camera coordinate system: 121.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2442
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'volvo s60': 230000}",
+        "choices":"A) 1. B) 0. C) 4. D) 7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo s60 \nStep 2, query the vehicle price: 230000 \nStep 3, calculate integer division: 1000000\/\/230000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2443
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1855, 2149]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1856, 2160] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, 42, 113] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-5, 41, 112]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1855, 2149]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2444
+    },
+    {
+        "image":"7b768c3c-DJI_0374_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2445
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2349, 1794] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2446
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[15, 30, 125]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2349, 1794] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 30, 125]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2447
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":129.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2349, 1794] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 30, 125] \/nStep 4, calculate distance in camera coordinate system: 129.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2448
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 9. B) 7. C) 8. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick regal \nStep 2, query the vehicle price: 165000 \nStep 3, calculate integer division: 1000000\/\/165000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2449
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2351, 1782]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2349, 1794] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 30, 125] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [15, 29, 124]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2351, 1782]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2450
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2451
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1489, 477] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2452
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-7, -9, 40]. B) [8, 10, 41]. C) [-6, 10, 41]. D) [8, -8, 41].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1489, 477] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-7, -9, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2453
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":41.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1489, 477] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-7, -9, 40] \/nStep 4, calculate distance in camera coordinate system: 41.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2454
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: bmw 4 series \nStep 2, query the vehicle price: 455000 \nStep 3, calculate integer division: 1000000\/\/455000=2",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2455
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [2511, 1757]. B) [1489, 493]. C) [1489, 1757]. D) [2511, 493].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1489, 477] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [31, 40, -171] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [31, 39, -171]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1489, 493]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2456
+    },
+    {
+        "image":"1194c312-DJI_0378_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2457
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2820, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2458
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [11, -4, 40]. B) [-10, 5, 41]. C) [12, 5, 41]. D) [-10, -3, 41].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2820, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, -4, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2459
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 36.8. B) 47.2. C) 42.0. D) 62.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2820, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, -4, 40] \/nStep 4, calculate distance in camera coordinate system: 42.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2460
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"A) 0. B) 4. C) 5. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen golf \nStep 2, query the vehicle price: 175000 \nStep 3, calculate integer division: 1000000\/\/175000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2461
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2820, 787]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2820, 779] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-94, 40, -320] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-94, 39, -320]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2820, 787]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2462
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2463
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1394, 1701] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2464
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-17, 16, 80]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1394, 1701] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-17, 16, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2465
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":83.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1394, 1701] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-17, 16, 80] \/nStep 4, calculate distance in camera coordinate system: 83.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2466
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: aion s \nStep 2, query the vehicle price: 145000 \nStep 3, calculate integer division: 1000000\/\/145000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2467
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1394, 1694]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1394, 1701] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-83, 80, 384] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-83, 79, 384]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1394, 1694]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2468
+    },
+    {
+        "image":"dd3c065e-DJI_0381_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.3. B) 1.8. C) 1.4. D) 1.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2469
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [771, 669] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2470
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [54, 20, 121]. B) [-52, 20, 121]. C) [-53, -19, 120]. D) [54, -18, 121].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [771, 669] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-53, -19, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2471
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":132.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [771, 669] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-53, -19, 120] \/nStep 4, calculate distance in camera coordinate system: 132.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2472
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"A) 9. B) 6. C) 1. D) 10.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: bmw x5 \nStep 2, query the vehicle price: 675000 \nStep 3, calculate integer division: 1000000\/\/675000=1",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2473
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [3229, 673]. B) [3229, 1577]. C) [771, 1577]. D) [771, 673].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [771, 669] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [323, 120, -730] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [323, 119, -730]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [771, 673]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2474
+    },
+    {
+        "image":"3aa8555d-DJI_0382_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.9. B) 1.8. C) 2.1. D) 1.7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2475
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-4, -1]. B) [-5, 2]. C) [6, -1]. D) [6, 3].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [654, 1670] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2476
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-50, 20, 103]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [654, 1670] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-50, 20, 103]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2477
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 117.0. B) 137.1. C) 122.2. D) 127.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [654, 1670] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-50, 20, 103] \/nStep 4, calculate distance in camera coordinate system: 117.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2478
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi a3 \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2479
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [3351, 594]. B) [649, 594]. C) [3351, 1656]. D) [649, 1656].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [654, 1670] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-72, 29, 149] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-72, 28, 148]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [649, 1656]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2480
+    },
+    {
+        "image":"ca210396-DJI_0383_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.3,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2481
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [721, 802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2482
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-57, -14, 123]. B) [58, 15, 124]. C) [58, -13, 124]. D) [-56, 15, 124].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [721, 802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-57, -14, 123]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2483
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 137.0. B) 147.3. C) 142.2. D) 131.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [721, 802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-57, -14, 123] \/nStep 4, calculate distance in camera coordinate system: 137.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2484
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2485
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[718, 792]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [721, 802] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-115, -29, 250] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-115, -29, 249]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [718, 792]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2486
+    },
+    {
+        "image":"0a1b4809-DJI_0384_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2487
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1396, 1358] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2488
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-14, 5, 66]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1396, 1358] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-14, 5, 66]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2489
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":67.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1396, 1358] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-14, 5, 66] \/nStep 4, calculate distance in camera coordinate system: 67.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2490
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi a3 \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2491
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [2607, 914]. B) [1393, 914]. C) [2607, 1336]. D) [1393, 1336].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1396, 1358] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-22, 8, 104] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-22, 7, 104]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1393, 1336]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2492
+    },
+    {
+        "image":"5c1eef77-DJI_0386_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2493
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [6, 1]. B) [-5, 0]. C) [-4, 1]. D) [6, 1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [805, 1345] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2494
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-9, 1, 22]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [805, 1345] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 1, 22]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2495
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":24.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [805, 1345] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, 1, 22] \/nStep 4, calculate distance in camera coordinate system: 24.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2496
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda karoq \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2497
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[787, 1279]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [805, 1345] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-15, 2, 35] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-15, 1, 34]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [787, 1279]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2498
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2499
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 1]. B) [3, 1]. C) [-2, 0]. D) [3, 1].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1408, 998] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2500
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, -1, 23]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1408, 998] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, -1, 23]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2501
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 19.1. B) 24.3. C) 34.6. D) 44.4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1408, 998] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-5, -1, 23] \/nStep 4, calculate distance in camera coordinate system: 24.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2502
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: honda civic \nStep 2, query the vehicle price: 115000 \nStep 3, calculate integer division: 1000000\/\/115000=8",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2503
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1401, 941]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1408, 998] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-9, -1, 43] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-9, -2, 42]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1401, 941]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2504
+    },
+    {
+        "image":"092c7fc2-DJI_0390_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2505
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 0]. B) [-1, 1]. C) [2, 0]. D) [2, 2].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1690, 1445] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2506
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 2, 21]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1690, 1445] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 2, 21]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2507
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":21.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1690, 1445] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 2, 21] \/nStep 4, calculate distance in camera coordinate system: 21.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2508
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo xc60 \nStep 2, query the vehicle price: 290000 \nStep 3, calculate integer division: 1000000\/\/290000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2509
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [2315, 873]. B) [1685, 1377]. C) [2315, 1377]. D) [1685, 873].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1690, 1445] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-3, 3, 33] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-3, 2, 32]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1685, 1377]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2510
+    },
+    {
+        "image":"3edb540c-DJI_0391_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2511
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, -2]. B) [1, 4]. C) [1, -2]. D) [0, 3].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1969, 1939] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2512
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 9, 32]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1969, 1939] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 9, 32]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2513
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":34.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1969, 1939] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 9, 32] \/nStep 4, calculate distance in camera coordinate system: 34.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2514
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen lavida \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2515
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1968, 1896]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1969, 1939] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 9, 32] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [0, 8, 32]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1968, 1896]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2516
+    },
+    {
+        "image":"a32e3a83-DJI_0392_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2517
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-4, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [950, 1586] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2518
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-49, -21, 134]. B) [51, 23, 134]. C) [-50, 22, 133]. D) [51, -21, 134].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [950, 1586] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-50, 22, 133]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2519
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":144.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [950, 1586] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-50, 22, 133] \/nStep 4, calculate distance in camera coordinate system: 144.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2520
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick regal \nStep 2, query the vehicle price: 165000 \nStep 3, calculate integer division: 1000000\/\/165000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2521
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[944, 1574]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [950, 1586] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-50, 22, 133] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-50, 21, 132]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-4, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [944, 1574]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2522
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2523
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-3, 4]. B) [5, 4]. C) [4, -3]. D) [-3, -2].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2944, 428] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2524
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [40, -30, 120]. B) [-39, 31, 121]. C) [41, 31, 121]. D) [-39, -29, 121].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2944, 428] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [40, -30, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2525
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":130.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2944, 428] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [40, -30, 120] \/nStep 4, calculate distance in camera coordinate system: 130.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2526
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: tesla model 3 \nStep 2, query the vehicle price: 285000 \nStep 3, calculate integer division: 1000000\/\/285000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2527
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2944, 434]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2944, 428] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-162, 119, -478] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-162, 118, -478]  \nStep 5, convert its from camera coordinate system to image coordinate system: [4, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2944, 434]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2528
+    },
+    {
+        "image":"cc582c95-DJI_0400_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2529
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1343, 618] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2530
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-30, -23, 129]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1343, 618] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-30, -23, 129]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2531
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 145.0. B) 129.5. C) 134.7. D) 154.8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1343, 618] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-30, -23, 129] \/nStep 4, calculate distance in camera coordinate system: 134.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2532
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 4. B) 6. C) 10. D) 22.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick excelle \nStep 2, query the vehicle price: 45000 \nStep 3, calculate integer division: 1000000\/\/45000=22",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2533
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1341, 608]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1343, 618] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-69, -53, 292] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-69, -54, 292]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1341, 608]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2534
+    },
+    {
+        "image":"68e53151-DJI_0402_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2535
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2725, 1312] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2536
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-16, -3, 67]. B) [18, -3, 67]. C) [17, 4, 66]. D) [-16, 5, 67].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2725, 1312] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [17, 4, 66]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2537
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":69.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2725, 1312] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [17, 4, 66] \/nStep 4, calculate distance in camera coordinate system: 69.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2538
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000}",
+        "choices":"A) 2. B) 20. C) 10. D) 9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: wuling hongguang mini \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2539
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2729, 1290]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2725, 1312] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [28, 7, 107] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [28, 6, 106]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2729, 1290]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2540
+    },
+    {
+        "image":"072dc5c6-DJI_0403_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.5. B) 1.4. C) 1.8. D) 1.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2541
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2533, 1190] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2542
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[13, 1, 68]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2533, 1190] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [13, 1, 68]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2543
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":69.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2533, 1190] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [13, 1, 68] \/nStep 4, calculate distance in camera coordinate system: 69.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2544
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: tesla model 3 \nStep 2, query the vehicle price: 285000 \nStep 3, calculate integer division: 1000000\/\/285000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2545
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [2536, 1169]. B) [1464, 1081]. C) [2536, 1081]. D) [1464, 1169].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2533, 1190] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [22, 2, 115] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [22, 1, 114]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2536, 1169]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2546
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2547
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2718, 945] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2548
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-5, 2, 24]. B) [6, -1, 23]. C) [-5, 0, 24]. D) [7, 2, 24].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2718, 945] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [6, -1, 23]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2549
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 24.8. B) 44.9. C) 19.6. D) 30.0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2718, 945] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [6, -1, 23] \/nStep 4, calculate distance in camera coordinate system: 24.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2550
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volvo xc40 \nStep 2, query the vehicle price: 225000 \nStep 3, calculate integer division: 1000000\/\/225000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2551
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [1274, 890]. B) [1274, 1360]. C) [2726, 890]. D) [2726, 1360].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2718, 945] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, -2, 45] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [11, -3, 44]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2726, 890]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2552
+    },
+    {
+        "image":"6930dd55-DJI_0405_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2553
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 1]. B) [2, 0]. C) [-1, 1]. D) [3, 1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2559, 1056] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2554
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [8, -1, 43]. B) [-7, 0, 44]. C) [-7, 2, 44]. D) [9, 2, 44].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2559, 1056] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, -1, 43]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2555
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":44.4,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2559, 1056] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, -1, 43] \/nStep 4, calculate distance in camera coordinate system: 44.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2556
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"A) 1. B) 50. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe 550 \nStep 2, query the vehicle price: 20000 \nStep 3, calculate integer division: 1000000\/\/20000=50",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2557
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2568, 1009]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2559, 1056] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, -1, 43] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [8, -1, 42]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2568, 1009]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2558
+    },
+    {
+        "image":"aa42648a-DJI_0408_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2559
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-4, -1]. B) [5, 2]. C) [-4, 3]. D) [6, -1].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3330, 1789] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2560
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[16, 8, 34]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3330, 1789] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [16, 8, 34]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2561
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":38.8,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3330, 1789] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [16, 8, 34] \/nStep 4, calculate distance in camera coordinate system: 38.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2562
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: bmw 7 series \nStep 2, query the vehicle price: 845000 \nStep 3, calculate integer division: 1000000\/\/845000=1",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2563
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[3358, 1745]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3330, 1789] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [16, 8, 34] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [16, 7, 33]  \nStep 5, convert its from camera coordinate system to image coordinate system: [5, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3358, 1745]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2564
+    },
+    {
+        "image":"e4930100-DJI_0409_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":5.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2565
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 1]. B) [0, 1]. C) [2, 1]. D) [-1, 0].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1639, 967] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2566
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-13, -5, 104]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1639, 967] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-13, -5, 104]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2567
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":106.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1639, 967] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-13, -5, 104] \/nStep 4, calculate distance in camera coordinate system: 106.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2568
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":50,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: roewe 550 \nStep 2, query the vehicle price: 20000 \nStep 3, calculate integer division: 1000000\/\/20000=50",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2569
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1637, 947]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1639, 967] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-13, -5, 104] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-13, -6, 104]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1637, 947]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2570
+    },
+    {
+        "image":"5f48051f-DJI_0410_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2571
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [6, 1]. B) [6, 1]. C) [-4, 1]. D) [-5, 0].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [819, 918] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2572
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-71, -12, 168]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [819, 918] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-71, -12, 168]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2573
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":183.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [819, 918] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-71, -12, 168] \/nStep 4, calculate distance in camera coordinate system: 183.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2574
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: wuling hongguang \nStep 2, query the vehicle price: 50000 \nStep 3, calculate integer division: 1000000\/\/50000=20",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2575
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[814, 905]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [819, 918] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-71, -12, 168] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-71, -13, 167]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [814, 905]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2576
+    },
+    {
+        "image":"63ff6306-DJI_0414_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2577
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-3, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1230, 905] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2578
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [12, -2, 41]. B) [-11, -3, 40]. C) [-10, 4, 41]. D) [12, 4, 41].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1230, 905] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-11, -3, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2579
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":41.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1230, 905] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-11, -3, 40] \/nStep 4, calculate distance in camera coordinate system: 41.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2580
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi q5 e-tron \nStep 2, query the vehicle price: 320000 \nStep 3, calculate integer division: 1000000\/\/320000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2581
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1230, 910]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1230, 905] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [140, 40, -504] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [140, 39, -504]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-3, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1230, 910]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2582
+    },
+    {
+        "image":"ab5347e7-DJI_0426_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2583
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-3, -1]. B) [-4, 2]. C) [5, -1]. D) [5, 3].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [995, 1696] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2584
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-14, 8, 40]. B) [15, 9, 41]. C) [15, -7, 41]. D) [-13, -7, 41].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [995, 1696] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-14, 8, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2585
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":43.3,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [995, 1696] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-14, 8, 40] \/nStep 4, calculate distance in camera coordinate system: 43.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2586
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen magotan \nStep 2, query the vehicle price: 190000 \nStep 3, calculate integer division: 1000000\/\/190000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2587
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[995, 1681]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [995, 1696] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-70, 40, 194] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-70, 39, 194]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-4, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [995, 1681]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2588
+    },
+    {
+        "image":"879d2e7e-DJI_0428_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2589
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2118, 1270] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2590
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-2, 5, 81]. B) [3, 4, 80]. C) [4, -3, 81]. D) [-2, -3, 81].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2118, 1270] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [3, 4, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2591
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 90.5. B) 80.2. C) 100.3. D) 75.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2118, 1270] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [3, 4, 80] \/nStep 4, calculate distance in camera coordinate system: 80.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2592
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick verano \nStep 2, query the vehicle price: 80000 \nStep 3, calculate integer division: 1000000\/\/80000=12",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2593
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2118, 1268]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2118, 1270] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [65, 80, 1523] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [65, 79, 1523]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2118, 1268]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2594
+    },
+    {
+        "image":"048d0995-DJI_0431_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.8. B) 2.1. C) 1.9. D) 1.7.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2595
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 0]. B) [2, 1]. C) [0, 1]. D) [0, 1].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2300, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2596
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [13, 9, 121]. B) [-11, 9, 121]. C) [12, -8, 120]. D) [-11, -7, 121].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2300, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -8, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2597
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":121.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2300, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -8, 120] \/nStep 4, calculate distance in camera coordinate system: 121.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2598
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda octavia': 150000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"A) 0. B) 5. C) 7. D) 8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen magotan \nStep 2, query the vehicle price: 190000 \nStep 3, calculate integer division: 1000000\/\/190000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2599
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [1700, 1326]. B) [1700, 924]. C) [2300, 924]. D) [2300, 1326].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2300, 922] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-178, 120, -1646] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-178, 119, -1646]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2300, 924]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2600
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2601
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [7, -1]. B) [-6, 0]. C) [8, 2]. D) [-6, 2].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3754, 752] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2602
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-74, -15, 121]. B) [75, -16, 120]. C) [76, 17, 121]. D) [-74, 17, 121].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3754, 752] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [75, -16, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2603
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 163.0. B) 137.7. C) 153.2. D) 142.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3754, 752] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [75, -16, 120] \/nStep 4, calculate distance in camera coordinate system: 142.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2604
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd tang \nStep 2, query the vehicle price: 225000 \nStep 3, calculate integer division: 1000000\/\/225000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2605
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[3754, 755]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3754, 752] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [7, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-565, 120, -893] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-565, 119, -893]  \nStep 5, convert its from camera coordinate system to image coordinate system: [7, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3754, 755]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2606
+    },
+    {
+        "image":"543c64d1-DJI_0436_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.8. B) 1.7. C) 2.0. D) 1.9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2607
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-2, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1406, 1271] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2608
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [24, 6, 113]. B) [-22, -4, 113]. C) [-23, 5, 112]. D) [24, -4, 113].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1406, 1271] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-23, 5, 112]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2609
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":114.7,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1406, 1271] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-23, 5, 112] \/nStep 4, calculate distance in camera coordinate system: 114.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2610
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000}",
+        "choices":"A) 4. B) 2. C) 5. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: nissan teana \nStep 2, query the vehicle price: 165000 \nStep 3, calculate integer division: 1000000\/\/165000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2611
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1405, 1258]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1406, 1271] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-39, 9, 183] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-39, 8, 182]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1405, 1258]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2612
+    },
+    {
+        "image":"843e91a2-DJI_0437_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2613
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, -3]. B) [0, -3]. C) [-1, 4]. D) [2, 5].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1605, 2055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2614
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-8, 19, 58]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1605, 2055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-8, 19, 58]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2615
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 61.8. B) 72.1. C) 67.0. D) 56.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1605, 2055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-8, 19, 58] \/nStep 4, calculate distance in camera coordinate system: 61.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2616
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: toyota levin \nStep 2, query the vehicle price: 95000 \nStep 3, calculate integer division: 1000000\/\/95000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2617
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1603, 2030]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1605, 2055] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-10, 25, 75] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-10, 24, 75]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1603, 2030]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2618
+    },
+    {
+        "image":"91735761-DJI_0443_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2619
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-5, 3]. B) [-5, -1]. C) [7, -1]. D) [6, 2].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3529, 1770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2620
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-10, -3, 21]. B) [11, 4, 20]. C) [-10, 5, 21]. D) [12, -3, 21].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3529, 1770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, 4, 20]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2621
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 28.9. B) 18.5. C) 23.7. D) 43.8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3529, 1770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, 4, 20] \/nStep 4, calculate distance in camera coordinate system: 23.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2622
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: mazda axela \nStep 2, query the vehicle price: 130000 \nStep 3, calculate integer division: 1000000\/\/130000=7",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2623
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[3557, 1696]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3529, 1770] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [15, 6, 28] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [15, 5, 28]  \nStep 5, convert its from camera coordinate system to image coordinate system: [6, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3557, 1696]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2624
+    },
+    {
+        "image":"9f80af1b-DJI_0450_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2625
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2734, 1193] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2626
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[10, 1, 41]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2734, 1193] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 1, 41]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2627
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 42.8. B) 37.6. C) 48.0. D) 62.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2734, 1193] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 1, 41] \/nStep 4, calculate distance in camera coordinate system: 42.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2628
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"",
+        "answer":22,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: toyota yaris l \nStep 2, query the vehicle price: 45000 \nStep 3, calculate integer division: 1000000\/\/45000=22",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2629
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2747, 1146]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2734, 1193] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [10, 1, 41] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [10, 0, 40]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2747, 1146]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2630
+    },
+    {
+        "image":"32a29cc2-DJI_0459_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.5. B) 1.4. C) 1.6. D) 1.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2631
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-5, -1]. B) [6, 2]. C) [-4, 2]. D) [6, 0].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [658, 723] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2632
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [24, -6, 50]. B) [24, 8, 50]. C) [-22, 8, 50]. D) [-23, -7, 49].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [658, 723] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-23, -7, 49]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2633
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":55.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [658, 723] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-23, -7, 49] \/nStep 4, calculate distance in camera coordinate system: 55.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2634
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"A) 33. B) 10. C) 9. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd qin \nStep 2, query the vehicle price: 30000 \nStep 3, calculate integer division: 1000000\/\/30000=33",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2635
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[638, 677]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [658, 723] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-23, -7, 49] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-23, -7, 48]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [638, 677]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2636
+    },
+    {
+        "image":"16c831fa-DJI_0465_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2637
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 4]. B) [3, 4]. C) [-1, -2]. D) [2, -3].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2558, 228] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2638
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[12, -20, 62]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2558, 228] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -20, 62]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2639
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":67.1,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2558, 228] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -20, 62] \/nStep 4, calculate distance in camera coordinate system: 67.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2640
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda octavia \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2641
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2565, 186]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2558, 228] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [12, -20, 62] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [12, -20, 61]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, -4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2565, 186]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2642
+    },
+    {
+        "image":"aea52fce-DJI_0468_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.7. B) 1.5. C) 1.6. D) 1.8.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2643
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 5]. B) [1, -3]. C) [0, -4]. D) [1, 5].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2025, 96] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2644
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [0, 59, 158]. B) [1, -58, 157]. C) [2, 59, 158]. D) [0, -57, 158].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2025, 96] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -58, 157]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2645
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 173.0. B) 167.8. C) 178.1. D) 187.9.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2025, 96] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -58, 157] \/nStep 4, calculate distance in camera coordinate system: 167.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2646
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"A) 6. B) 3. C) 7. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda octavia \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2647
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2026, 79]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2025, 96] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [1, -58, 157] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [1, -59, 156]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2026, 79]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2648
+    },
+    {
+        "image":"00556e23-DJI_0474_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2649
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 2]. B) [0, 2]. C) [1, -1]. D) [0, 0].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2431, 684] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2650
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-17, 19, 118]. B) [19, 19, 118]. C) [18, -18, 117]. D) [-17, -17, 118].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2431, 684] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [18, -18, 117]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2651
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":120.5,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2431, 684] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [18, -18, 117] \/nStep 4, calculate distance in camera coordinate system: 120.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2652
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: skoda yeti \nStep 2, query the vehicle price: 55000 \nStep 3, calculate integer division: 1000000\/\/55000=18",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2653
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2434, 665]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2431, 684] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [18, -18, 117] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [18, -19, 116]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2434, 665]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2654
+    },
+    {
+        "image":"967dbd58-DJI_0479_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2655
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[6, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3413, 1767] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2656
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-63, 30, 127]. B) [65, -28, 127]. C) [64, 29, 126]. D) [-63, -28, 127].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3413, 1767] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [64, 29, 126]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2657
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 139.5. B) 155.0. C) 144.7. D) 164.8.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3413, 1767] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [64, 29, 126] \/nStep 4, calculate distance in camera coordinate system: 144.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2658
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"A) 3. B) 10. C) 9. D) 5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: volkswagen magotan \nStep 2, query the vehicle price: 190000 \nStep 3, calculate integer division: 1000000\/\/190000=5",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2659
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[3421, 1755]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3413, 1767] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [6, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [64, 29, 126] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [64, 28, 125]  \nStep 5, convert its from camera coordinate system to image coordinate system: [6, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3421, 1755]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2660
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.8. B) 1.7. C) 2.2. D) 1.9.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2661
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 1]. B) [1, 1]. C) [1, 1]. D) [0, 0].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1882, 1191] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2662
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+60=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [3, 2, 69]. B) [-1, 0, 69]. C) [-2, 1, 68]. D) [3, 0, 69].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1882, 1191] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 1, 68]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2663
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 68.4. B) 78.7. C) 73.6. D) 88.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1882, 1191] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-2, 1, 68] \/nStep 4, calculate distance in camera coordinate system: 68.4",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2664
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song \nStep 2, query the vehicle price: 55000 \nStep 3, calculate integer division: 1000000\/\/55000=18",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2665
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[1881, 1170]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1882, 1191] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-4, 2, 115] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-4, 1, 114]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1881, 1170]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2666
+    },
+    {
+        "image":"97808111-DJI_0519_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2667
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, 1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1972, 1461] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2668
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, -1, 22]. B) [1, 3, 22]. C) [1, -1, 22]. D) [0, 2, 21].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1972, 1461] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 2, 21]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2669
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 41.8. B) 26.9. C) 16.5. D) 21.7.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1972, 1461] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 2, 21] \/nStep 4, calculate distance in camera coordinate system: 21.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2670
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"A) 4. B) 9. C) 5. D) 10.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: mercedes-benz c-class \nStep 2, query the vehicle price: 220000 \nStep 3, calculate integer division: 1000000\/\/220000=4",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2671
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) [1972, 858]. B) [1972, 1392]. C) [2028, 858]. D) [2028, 1392].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1972, 1461] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, 4, 33] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [0, 3, 32]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, 1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1972, 1392]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2672
+    },
+    {
+        "image":"8563ced3-DJI_0537_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.9. B) 1.7. C) 1.8. D) 2.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2673
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-3, 2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1155, 1685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2674
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-25, 16, 82]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1155, 1685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-25, 16, 82]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2675
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 107.8. B) 82.5. C) 87.7. D) 92.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1155, 1685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-25, 16, 82] \/nStep 4, calculate distance in camera coordinate system: 87.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2676
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"A) 10. B) 0. C) 2. D) 6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd song plus \nStep 2, query the vehicle price: 155000 \nStep 3, calculate integer division: 1000000\/\/155000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2677
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[1148, 1666]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1155, 1685] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-3, 2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-25, 16, 82] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-25, 15, 81]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-3, 2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1148, 1666]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2678
+    },
+    {
+        "image":"61f2c405-DJI_0553_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2679
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-2, -2]. B) [3, 3]. C) [3, -1]. D) [-1, 3].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1472, 436] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2680
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [8, -8, 41]. B) [-7, -9, 40]. C) [8, 10, 41]. D) [-6, 10, 41].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1472, 436] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-7, -9, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2681
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":41.9,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1472, 436] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-7, -9, 40] \/nStep 4, calculate distance in camera coordinate system: 41.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2682
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'audi a6l': 430000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: hyundai lafesta \nStep 2, query the vehicle price: 145000 \nStep 3, calculate integer division: 1000000\/\/145000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2683
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1472, 453]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1472, 436] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-2, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [30, 40, -161] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [30, 39, -161]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-2, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1472, 453]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2684
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 2.0. B) 2.1. C) 1.6. D) 1.8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2685
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-1, 3]. B) [0, -2]. C) [2, 4]. D) [2, -2].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1721, 2016] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2686
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-4, 12, 40]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1721, 2016] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-4, 12, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2687
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":42.2,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [1721, 2016] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-4, 12, 40] \/nStep 4, calculate distance in camera coordinate system: 42.2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2688
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: changan cs75 \nStep 2, query the vehicle price: 80000 \nStep 3, calculate integer division: 1000000\/\/80000=12",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2689
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [2279, 1993]. B) [2279, 257]. C) [1721, 1993]. D) [1721, 257].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [1721, 2016] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, 3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-12, 40, 124] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-12, 39, 124]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, 3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1721, 1993]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2690
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2691
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2831, 376] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2692
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[11, -10, 40]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2831, 376] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, -10, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2693
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 43.1. B) 53.4. C) 63.2. D) 37.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2831, 376] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [11, -10, 40] \/nStep 4, calculate distance in camera coordinate system: 43.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2694
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: toyota carola \nStep 2, query the vehicle price: 95000 \nStep 3, calculate integer division: 1000000\/\/95000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2695
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) [2831, 1856]. B) [1169, 1856]. C) [1169, 394]. D) [2831, 394].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, detect the center of vehicle: [2831, 376] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-44, 40, -148] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-44, 39, -148]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2831, 394]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"multiple-choice",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2696
+    },
+    {
+        "image":"b788308e-DJI_0562_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2697
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-5, -3]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [701, 225] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2698
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [19, -11, 41]. B) [-17, 13, 41]. C) [-18, -12, 40]. D) [19, 13, 41].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [701, 225] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-18, -12, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2699
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 51.2. B) 56.3. C) 66.1. D) 46.0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [701, 225] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-18, -12, 40] \/nStep 4, calculate distance in camera coordinate system: 46.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2700
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"A) 2. B) 4. C) 3. D) 13.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: chevrolet c6 \nStep 2, query the vehicle price: 75000 \nStep 3, calculate integer division: 1000000\/\/75000=13",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2701
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[701, 248]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [701, 225] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-5, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [57, 40, -123] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [57, 39, -123]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-5, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [701, 248]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2702
+    },
+    {
+        "image":"49ccfb41-DJI_0563_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.8. B) 1.3. C) 1.5. D) 1.7.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2703
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[5, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3250, 574] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2704
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+40=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-17, 8, 41]. B) [18, -7, 40]. C) [-17, -6, 41]. D) [19, 8, 41].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3250, 574] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [18, -7, 40]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2705
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 44.6. B) 39.4. C) 54.9. D) 49.8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3250, 574] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [18, -7, 40] \/nStep 4, calculate distance in camera coordinate system: 44.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2706
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 6 \nStep 2, query the vehicle price: 100000 \nStep 3, calculate integer division: 1000000\/\/100000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2707
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[3250, 587]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3250, 574] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [5, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-90, 40, -201] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-90, 39, -201]  \nStep 5, convert its from camera coordinate system to image coordinate system: [5, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3250, 587]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2708
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.7. B) 1.6. C) 1.8. D) 2.0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2709
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, -4]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2785, 175] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -4]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2710
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+80=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-21, -26, 81]. B) [23, 28, 81]. C) [-21, 28, 81]. D) [22, -27, 80].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2785, 175] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [22, -27, 80]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2711
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 82.3. B) 97.8. C) 107.6. D) 87.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2785, 175] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [22, -27, 80] \/nStep 4, calculate distance in camera coordinate system: 87.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2712
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi q5l \nStep 2, query the vehicle price: 305000 \nStep 3, calculate integer division: 1000000\/\/305000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2713
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[2785, 187]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2785, 175] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [3, -4] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-66, 80, -233] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-66, 79, -233]  \nStep 5, convert its from camera coordinate system to image coordinate system: [3, -4] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2785, 187]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2714
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2715
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, 4]. B) [0, 4]. C) [2, -2]. D) [-1, -3].",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1610, 331] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2716
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(90)*y-sin(90)*z+120=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-16, -34, 120]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [1610, 331] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-16, -34, 120]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2717
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 146.0. B) 125.9. C) 136.2. D) 120.7.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [1610, 331] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-16, -34, 120] \/nStep 4, calculate distance in camera coordinate system: 125.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2718
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: chevrolet equinox \nStep 2, query the vehicle price: 150000 \nStep 3, calculate integer division: 1000000\/\/150000=6",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2719
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":"[1610, 337]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [1610, 331] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-1, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [58, 120, -419] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [58, 119, -419]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-1, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [1610, 337]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2720
+    },
+    {
+        "image":"3fa148f5-DJI_0573_1box_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2721
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [2, -3]. B) [3, 4]. C) [-1, 4]. D) [-1, -2].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2480, 355] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2722
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+100=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-22, 39, 138]. B) [23, -38, 137]. C) [24, 39, 138]. D) [-22, -37, 138].",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2480, 355] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [23, -38, 137]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2723
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":144.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2480, 355] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [23, -38, 137] \/nStep 4, calculate distance in camera coordinate system: 144.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2724
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"A) 5. B) 9. C) 4. D) 12.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: changan cs75 \nStep 2, query the vehicle price: 80000 \nStep 3, calculate integer division: 1000000\/\/80000=12",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2725
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2481, 348]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2480, 355] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [2, -3] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [66, -106, 384] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [66, -107, 384]  \nStep 5, convert its from camera coordinate system to image coordinate system: [2, -3] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2481, 348]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2726
+    },
+    {
+        "image":"acaec21b-DJI_0576_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2727
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[4, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3148, 1022] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2728
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [9, 0, 23]. B) [-8, 1, 24]. C) [-8, 1, 24]. D) [10, 1, 24].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3148, 1022] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [9, 0, 23]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2729
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":25.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [3148, 1022] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [9, 0, 23] \/nStep 4, calculate distance in camera coordinate system: 25.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2730
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000}",
+        "choices":"A) 10. B) 5. C) 2. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 6 \nStep 2, query the vehicle price: 100000 \nStep 3, calculate integer division: 1000000\/\/100000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2731
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[3162, 964]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3148, 1022] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [17, -1, 42] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [17, -2, 42]  \nStep 5, convert its from camera coordinate system to image coordinate system: [5, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3162, 964]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2732
+    },
+    {
+        "image":"189afc4e-DJI_0590_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2733
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, 0]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2438, 896] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2734
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[3, -1, 24]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2438, 896] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [3, -1, 24]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2735
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":24.6,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [2438, 896] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [3, -1, 24] \/nStep 4, calculate distance in camera coordinate system: 24.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2736
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000}",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: audi q5l \nStep 2, query the vehicle price: 305000 \nStep 3, calculate integer division: 1000000\/\/305000=3",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2737
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[2443, 842]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2438, 896] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, 0] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [7, -3, 46] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [7, -4, 46]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2443, 842]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2738
+    },
+    {
+        "image":"353ef7f6-DJI_0591_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.9,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2739
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [-3, 0]. B) [5, 0]. C) [4, 1]. D) [-3, 2].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3130, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2740
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(60)*y-sin(60)*z+20=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[8, 2, 21]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [3130, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 2, 21]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2741
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 28.8. B) 33.9. C) 18.4. D) 23.6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [3130, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [8, 2, 21] \/nStep 4, calculate distance in camera coordinate system: 23.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2742
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000}",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: hongqi h9 \nStep 2, query the vehicle price: 535000 \nStep 3, calculate integer division: 1000000\/\/535000=1",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2743
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":"[3147, 1342]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [3130, 1410] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [4, 1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [13, 3, 33] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [13, 2, 33]  \nStep 5, convert its from camera coordinate system to image coordinate system: [4, 0] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [3147, 1342]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2744
+    },
+    {
+        "image":"ee4aa246-DJI_0595_1box_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 5.1. B) 5.0. C) 5.3. D) 4.9.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 5.1",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2745
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[0, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2031, 561] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2746
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [1, 11, 54]. B) [1, 11, 54]. C) [0, -10, 53]. D) [1, -9, 54].",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2031, 561] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, -10, 53]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2747
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 59.5. B) 54.3. C) 49.1. D) 74.4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2031, 561] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, -10, 53] \/nStep 4, calculate distance in camera coordinate system: 54.3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2748
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 3. B) 9. C) 8. D) 25.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: ford escort \nStep 2, query the vehicle price: 40000 \nStep 3, calculate integer division: 1000000\/\/40000=25",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2749
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2032, 516]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2031, 561] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [0, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [0, -10, 53] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [0, -11, 52]  \nStep 5, convert its from camera coordinate system to image coordinate system: [0, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2032, 516]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2750
+    },
+    {
+        "image":"e238a11e-DJI_0602_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the width of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"A) 1.6. B) 1.9. C) 1.8. D) 2.0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2751
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, -2]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2274, 487] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -2]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2752
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+30=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"A) [5, -12, 55]. B) [6, 13, 56]. C) [-4, 13, 56]. D) [-4, -11, 56].",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2274, 487] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, -12, 55]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2753
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 76.9. B) 56.8. C) 67.1. D) 62.0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2274, 487] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, -12, 55] \/nStep 4, calculate distance in camera coordinate system: 56.8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2754
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"A) 5. B) 10. C) 3. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 6 \nStep 2, query the vehicle price: 100000 \nStep 3, calculate integer division: 1000000\/\/100000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2755
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2278, 442]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2274, 487] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -2] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [5, -12, 55] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [5, -13, 54]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2278, 442]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2756
+    },
+    {
+        "image":"9acb9d38-DJI_0606_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the height of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 1.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2757
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-4, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [941, 673] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2758
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+70=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[-45, -19, 118]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [941, 673] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-45, -19, 118]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2759
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":128.0,
+        "eva":"float",
+        "rationale":"Step 1, locate the center point of the vehicle: [941, 673] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-45, -19, 118] \/nStep 4, calculate distance in camera coordinate system: 128.0",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2760
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"A) 8. B) 4. C) 7. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of vehicle in red box: byd yuan plus \nStep 2, query the vehicle price: 135000 \nStep 3, calculate integer division: 1000000\/\/135000=7",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2761
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[935, 653]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [941, 673] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [-4, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [-45, -19, 118] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [-45, -19, 117]  \nStep 5, convert its from camera coordinate system to image coordinate system: [-4, -2] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [935, 653]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2762
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2763
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the image coordinates of the center point of the vehicle in the red box? (Unit: millimeter)",
+        "context":"Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[1, -1]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2417, 809] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1]",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"convert pixel coordinates to image coordinates",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2764
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"The equation of the ground plane in the camera coordinate system is: -cos(45)*y-sin(45)*z+110=0. What are the coordinates of the center point of the vehicle in the red box in the camera coordinate system? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels.",
+        "choices":"",
+        "answer":"[26, -19, 175]",
+        "eva":"list",
+        "rationale":"Step 1, locate the center point of the vehicle: [2417, 809] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -19, 175]",
+        "subject":"algebra",
+        "topic":"multivariate algebra",
+        "task":"convert pixel coordinates to camera coordinates",
+        "step":3,
+        "qtype":"free-form",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2765
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How far is the vehicle in the red box from the drone's camera? (Unit: meter)",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 183.8. B) 198.7. C) 178.6. D) 188.9.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, locate the center point of the vehicle: [2417, 809] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -19, 175] \/nStep 4, calculate distance in camera coordinate system: 178.6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2drone distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2766
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many vehicles like the one in the red box can be bought for 1 million RMB?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of vehicle in red box: buick velite 6 \nStep 2, query the vehicle price: 100000 \nStep 3, calculate integer division: 1000000\/\/100000=10",
+        "subject":"arithmetic",
+        "topic":"integer division",
+        "task":"buy vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2767
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What are the coordinates of the projection point of the point 1 meter above the ground plane at the center of the vehicle in the pixel coordinate system?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":"[2418, 797]",
+        "eva":"list",
+        "rationale":"Step 1, detect the center of vehicle: [2417, 809] \nStep 2, convert center point of the vehicle from pixel coordinate system to image coordinate system: [1, -1] \nStep 3, convert center point of the vehicle from image coordinate system to camera coordinate system: [26, -19, 175] \nStep 4, calculate the coordinates of the point 1 meter above the ground plane at the center of the vehicle: [26, -20, 174]  \nStep 5, convert its from camera coordinate system to image coordinate system: [1, -1] \nStep 6, convert its from camera coordinate system to pixel coordinate system: [2418, 797]",
+        "subject":"geometry",
+        "topic":"perspective geometry",
+        "task":"projection of the ground normal vector",
+        "step":6,
+        "qtype":"free-form",
+        "level":7,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2768
+    },
+    {
+        "image":"87bdf306-DJI_0621_1box_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the length of the vehicle in the red box? (Unit: meter)",
+        "context":"",
+        "choices":"",
+        "answer":4.7,
+        "eva":"float",
+        "rationale":"Step 1, select two reference points at the vehicle. \nStep 2, convert them from pixel coordinate system to image coordinate system. \nStep 3, convert them from image coordinate system to camera coordinate system. \nStep 4, calculate distance in camera coordinate system: 4.7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"estimate vehicle size",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2769
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and audi q3 \/nStep 2, query the prices of two vehicles: 95000 and 215000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2770
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":2.3,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and audi q3 \/nStep 2, query the prices of two vehicles: 95000 and 215000 \/nStep 3, calculate the price ratio of two vehicles: 215000\/95000=2.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2771
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 2.263 times the price of the vehicle in the red box, and the total price of the two vehicles is 310000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":95000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.263)X=310000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 215000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1106.2 and 505.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2772
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'buick envision': 205000, 'audi q3': 215000, 'toyota corolla': 95000, 'tesla model y': 305000, 'volkswagen santana': 40000, 'mercedes-benz glc': 335000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":120000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and audi q3 \/nStep 2, query the prices of two vehicles: 95000 and 215000 \/nStep 3, calculate the price difference of two vehicles: 215000-95000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2773
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3164.4, 1106.2] and [3318.9, 505.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [16.8, -0.3, 40.0] and [19.0, -8.9, 40.0] \/nStep 4, calculate distance in camera coordinate system: 8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2774
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 1. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2775
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2776
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2777
+    },
+    {
+        "image":"289a4cc2-DJI_0005_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2778
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and volkswagen santana \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2779
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":8.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and volkswagen santana \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price ratio of two vehicles: 340000\/40000=8.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2780
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 8.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 60000. B) 70000. C) 40000. D) 50000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 8.5)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 40000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 438.3 and 1790.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 40000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2781
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'chevrolet sail': 25000, 'toyota corolla': 95000, 'mazda 5': 40000, 'skoda octavia': 150000, 'hyundai coupe': 45000, 'lexus es': 340000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'buick envision': 205000, 'volkswagen santana': 40000, 'nio es6': 365000}",
+        "choices":"",
+        "answer":300000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and volkswagen santana \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price difference of two vehicles: 340000-40000=300000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2782
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 46. B) 56. C) 36. D) 41.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2892.9, 438.3] and [2363.7, 1790.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [25.7, -19.8, 80.0] and [10.5, 19.2, 80.0] \/nStep 4, calculate distance in camera coordinate system: 41",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2783
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2784
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2785
+    },
+    {
+        "image":"c36286ef-DJI_0013_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 5. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2786
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'bmw 5 series': 425000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q3 and skoda octavia \/nStep 2, query the prices of two vehicles: 215000 and 150000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2787
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'bmw 5 series': 425000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q3 and skoda octavia \/nStep 2, query the prices of two vehicles: 215000 and 150000 \/nStep 3, calculate the price ratio of two vehicles: 215000\/150000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2788
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 1.433 times the price of the vehicle in the blue box, and the total price of the two vehicles is 365000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.433)X=365000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 150000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 857.4 and 1180.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 150000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2789
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'skoda octavia': 150000, 'toyota corolla': 95000, 'toyota highlander': 250000, 'mercedes-benz glc': 335000, 'chevrolet sail': 25000, 'volkswagen cc': 205000, 'buick excelle': 45000, 'mazda 5': 40000, 'audi q3': 215000, 'bmw 5 series': 425000, 'buick envision': 205000, 'nio es6': 365000, 'lexus es': 340000, 'hyundai coupe': 45000, 'volkswagen santana': 40000}",
+        "choices":"A) 32500. B) 195000. C) 65000. D) 130000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q3 and skoda octavia \/nStep 2, query the prices of two vehicles: 215000 and 150000 \/nStep 3, calculate the price difference of two vehicles: 215000-150000=65000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2790
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2607.0, 857.4] and [2528.5, 1180.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [26.3, -11.6, 120.0] and [22.9, 2.4, 120.0] \/nStep 4, calculate distance in camera coordinate system: 14",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2791
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2792
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2793
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2794
+    },
+    {
+        "image":"bb040668-DJI_0018_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2795
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glk and bmw 3 series \/nStep 2, query the prices of two vehicles: 465000 and 285000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2796
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glk and bmw 3 series \/nStep 2, query the prices of two vehicles: 465000 and 285000 \/nStep 3, calculate the price ratio of two vehicles: 465000\/285000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2797
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 1.632 times the price of the vehicle in the blue box, and the total price of the two vehicles is 750000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":465000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.632)X=750000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 285000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1953.3 and 1886.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 465000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2798
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'audi q3': 215000, 'audi a4l': 230000, 'buick velite 6': 100000, 'buick envision': 205000, 'bmw 3 series': 285000, 'mercedes-benz glk': 465000, 'geely icon': 100000, 'toyota highlander': 250000, 'honda cr-v': 170000, 'byd seal': 215000, 'toyota rav4': 165000, 'volkswagen lavida': 75000, 'hyundai elantra': 95000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'buick lacrosse': 170000, 'volkswagen passat': 135000, 'jeep grand commander': 125000, 'volvo s60': 230000, 'byd han': 210000}",
+        "choices":"A) 360000. B) 90000. C) 180000. D) 540000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glk and bmw 3 series \/nStep 2, query the prices of two vehicles: 465000 and 285000 \/nStep 3, calculate the price difference of two vehicles: 465000-285000=180000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2799
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) -3. B) 17. C) 7. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2148.8, 1953.3] and [2111.6, 1886.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.3, 29.4, 98.5] and [4.0, 27.4, 99.7] \/nStep 4, calculate distance in camera coordinate system: 2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2800
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 1. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2801
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2802
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2803
+    },
+    {
+        "image":"04d94ffc-DJI_0021_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2804
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a8 and buick envision \/nStep 2, query the prices of two vehicles: 1250000 and 205000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2805
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000}",
+        "choices":"A) 4.2. B) 1.5. C) 6.1. D) 8.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a8 and buick envision \/nStep 2, query the prices of two vehicles: 1250000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 1250000\/205000=6.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2806
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 6.098 times the price of the vehicle in the blue box, and the total price of the two vehicles is 1455000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 6.098)X=1455000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 348.0 and 2109.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2807
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd seal': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'audi a8': 1250000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'buick envision': 205000, 'audi a4l': 230000, 'tesla model 3': 285000, 'jeep grand commander': 125000, 'byd han': 210000}",
+        "choices":"A) 522500. B) 2090000. C) 3135000. D) 1045000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a8 and buick envision \/nStep 2, query the prices of two vehicles: 1250000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 1250000-205000=1045000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2808
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 56. B) 51. C) 46. D) 61.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2475.7, 348.0] and [3110.2, 2109.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [14.2, -23.1, 82.6] and [23.0, 20.4, 57.5] \/nStep 4, calculate distance in camera coordinate system: 51",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2809
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2810
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2811
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2812
+    },
+    {
+        "image":"56e70dfb-DJI_0030_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2813
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ora good cat and volkswagen cc \/nStep 2, query the prices of two vehicles: 120000 and 205000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2814
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000}",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ora good cat and volkswagen cc \/nStep 2, query the prices of two vehicles: 120000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/120000=1.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2815
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 1.708 times the price of the vehicle in the red box, and the total price of the two vehicles is 325000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":120000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.708)X=325000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1594.1 and 1352.2 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 120000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2816
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000}",
+        "choices":"",
+        "answer":85000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ora good cat and volkswagen cc \/nStep 2, query the prices of two vehicles: 120000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 205000-120000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2817
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 8. B) -2. C) 3. D) 13.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3046.9, 1594.1] and [2643.9, 1352.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [7.9, 3.6, 21.0] and [5.1, 1.8, 22.1] \/nStep 4, calculate distance in camera coordinate system: 3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2818
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2819
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2820
+    },
+    {
+        "image":"70a70ac2-DJI_0033_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2821
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and byd seal \/nStep 2, query the prices of two vehicles: 75000 and 215000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2822
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"A) 1.5. B) 2.9. C) 10.3. D) 2.1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and byd seal \/nStep 2, query the prices of two vehicles: 75000 and 215000 \/nStep 3, calculate the price ratio of two vehicles: 215000\/75000=2.9",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2823
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 2.867 times the price of the vehicle in the red box, and the total price of the two vehicles is 290000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":215000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.867)X=290000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 215000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 339.8 and 1499.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 215000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2824
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'hyundai elantra': 95000, 'byd seal': 215000}",
+        "choices":"A) 420000. B) 70000. C) 280000. D) 140000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and byd seal \/nStep 2, query the prices of two vehicles: 75000 and 215000 \/nStep 3, calculate the price difference of two vehicles: 215000-75000=140000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2825
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 27. B) 17. C) 12. D) 22.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2519.9, 339.8] and [2797.4, 1499.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.2, -7.8, 27.6] and [6.2, 2.9, 21.4] \/nStep 4, calculate distance in camera coordinate system: 12",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2826
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2827
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2828
+    },
+    {
+        "image":"ea70ff76-DJI_0042_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2829
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and mazda 5 \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2830
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":8.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and mazda 5 \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price ratio of two vehicles: 340000\/40000=8.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2831
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 8.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 8.5)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 40000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1138.9 and 1783.1 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 40000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2832
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai coupe': 45000, 'mazda 5': 40000, 'lexus es': 340000}",
+        "choices":"A) 900000. B) 300000. C) 150000. D) 600000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus es and mazda 5 \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price difference of two vehicles: 340000-40000=300000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2833
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 1. B) 6. C) 16. D) 21.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3302.1, 1138.9] and [3079.2, 1783.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [10.8, 0.1, 23.0] and [7.9, 4.8, 20.3] \/nStep 4, calculate distance in camera coordinate system: 6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2834
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-10=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2835
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2836
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2837
+    },
+    {
+        "image":"42694b35-DJI_0044_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 2. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2838
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 95000 and 335000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2839
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":3.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 95000 and 335000 \/nStep 3, calculate the price ratio of two vehicles: 335000\/95000=3.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2840
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 3.526 times the price of the vehicle in the red box, and the total price of the two vehicles is 430000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 115000. B) 135000. C) 95000. D) 105000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.526)X=430000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 335000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1706.2 and 1331.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2841
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q3': 215000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'toyota corolla': 95000}",
+        "choices":"",
+        "answer":240000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 95000 and 335000 \/nStep 3, calculate the price difference of two vehicles: 335000-95000=240000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2842
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 18. B) 8. C) 13. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3537.2, 1706.2] and [3486.1, 1331.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [11.4, 4.3, 20.6] and [11.9, 1.6, 22.1] \/nStep 4, calculate distance in camera coordinate system: 3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2843
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2844
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2845
+    },
+    {
+        "image":"efa34dff-DJI_0046_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 0. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2846
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and toyota corolla \/nStep 2, query the prices of two vehicles: 150000 and 95000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2847
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"A) 1.3. B) 8.6. C) 1.5. D) 1.6.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and toyota corolla \/nStep 2, query the prices of two vehicles: 150000 and 95000 \/nStep 3, calculate the price ratio of two vehicles: 150000\/95000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2848
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 1.579 times the price of the vehicle in the blue box, and the total price of the two vehicles is 245000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 160000. B) 180000. C) 155000. D) 150000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.579)X=245000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 95000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 920.0 and 391.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 150000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2849
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'skoda octavia': 150000, 'volkswagen santana': 40000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":55000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and toyota corolla \/nStep 2, query the prices of two vehicles: 150000 and 95000 \/nStep 3, calculate the price difference of two vehicles: 150000-95000=55000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2850
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":6,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3580.3, 920.0] and [3619.0, 391.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [13.7, -1.8, 24.1] and [15.9, -7.2, 27.3] \/nStep 4, calculate distance in camera coordinate system: 6",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2851
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2852
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2853
+    },
+    {
+        "image":"19edc9d7-DJI_0047_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2854
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and volvo s60 \/nStep 2, query the prices of two vehicles: 170000 and 230000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2855
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and volvo s60 \/nStep 2, query the prices of two vehicles: 170000 and 230000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/170000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2856
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 1.353 times the price of the vehicle in the red box, and the total price of the two vehicles is 400000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.353)X=400000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 230000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1867.1 and 1923.7 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2857
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'hyundai elantra': 95000, 'byd seal': 215000, 'buick lacrosse': 170000, 'volvo s60': 230000, 'audi a4l': 230000, 'buick envision': 205000, 'tesla model 3': 285000, 'audi q3': 215000, 'mercedes-benz c-class': 220000, 'audi a8': 1250000, 'buick velite 6': 100000, 'toyota highlander': 250000, 'jeep grand commander': 125000, 'geely icon': 100000, 'bmw 3 series': 285000, 'toyota rav4': 165000, 'byd han': 210000, 'mercedes-benz glk': 465000}",
+        "choices":"A) 30000. B) 180000. C) 120000. D) 60000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and volvo s60 \/nStep 2, query the prices of two vehicles: 170000 and 230000 \/nStep 3, calculate the price difference of two vehicles: 230000-170000=60000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2858
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 23. B) 3. C) 8. D) 13.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2437.6, 1867.1] and [2153.5, 1923.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [12.3, 20.9, 78.1] and [4.3, 22.1, 76.9] \/nStep 4, calculate distance in camera coordinate system: 8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2859
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 2. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2860
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2861
+    },
+    {
+        "image":"db6767fa-DJI_0055_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2862
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and honda accord \/nStep 2, query the prices of two vehicles: 250000 and 130000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2863
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000}",
+        "choices":"A) 1.5. B) 1.9. C) 10.3. D) 4.2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and honda accord \/nStep 2, query the prices of two vehicles: 250000 and 130000 \/nStep 3, calculate the price ratio of two vehicles: 250000\/130000=1.9",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2864
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 1.923 times the price of the vehicle in the blue box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 280000. B) 290000. C) 260000. D) 250000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.923)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 130000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2036.6 and 1009.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 250000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2865
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen cc': 205000, 'ora good cat': 120000, 'toyota highlander': 250000, 'byd dolphin': 115000, 'renault kadjar': 45000, 'honda accord': 130000}",
+        "choices":"A) 60000. B) 120000. C) 360000. D) 240000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and honda accord \/nStep 2, query the prices of two vehicles: 250000 and 130000 \/nStep 3, calculate the price difference of two vehicles: 250000-130000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2866
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":51,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1007.6, 2036.6] and [2122.7, 1009.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-26.7, 24.5, 74.5] and [4.6, -4.3, 103.3] \/nStep 4, calculate distance in camera coordinate system: 51",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2867
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 0. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2868
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2869
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2870
+    },
+    {
+        "image":"861fc6bd-DJI_0059_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 1. D) 0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2871
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 205000 and 335000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2872
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 205000 and 335000 \/nStep 3, calculate the price ratio of two vehicles: 335000\/205000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2873
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 1.634 times the price of the vehicle in the red box, and the total price of the two vehicles is 540000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.634)X=540000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 335000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2093.2 and 1849.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2874
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen jetta': 115000, 'volvo s60': 230000, 'tesla model 3': 285000, 'chevrolet cruze': 35000, 'buick excelle': 45000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'bmw x1': 225000, 'buick envision': 205000, 'buick gl8': 330000, 'roewe erx5': 50000, 'mercedes-benz glc': 335000, 'buick velite 6': 100000, 'volkswagen tiguan': 85000, 'mercedes-benz glk': 465000, 'toyota avalon': 190000, 'audi a4l': 230000, 'audi q3': 215000, 'toyota camry': 190000, 'volvo xc60': 290000, 'mercedes-benz gle': 630000, 'geely icon': 100000, 'tesla model y': 305000, 'toyota corolla': 95000, 'bmw 5 series': 425000, 'volkswagen santana': 40000, 'skoda octavia': 150000, 'honda cr-v': 170000, 'chevrolet sail': 25000, 'lexus es': 340000, 'mazda 5': 40000, 'honda odyssey': 250000, 'toyota highlander': 250000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":130000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and mercedes-benz glc \/nStep 2, query the prices of two vehicles: 205000 and 335000 \/nStep 3, calculate the price difference of two vehicles: 335000-205000=130000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2875
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":28,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [688.5, 2093.2] and [1371.8, 1849.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-54.5, 40.2, 115.3] and [-27.9, 32.2, 123.4] \/nStep 4, calculate distance in camera coordinate system: 28",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2876
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 4. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2877
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2878
+    },
+    {
+        "image":"44c53c13-DJI_0061_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 5. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2879
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and buick envision \/nStep 2, query the prices of two vehicles: 190000 and 205000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2880
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and buick envision \/nStep 2, query the prices of two vehicles: 190000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/190000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2881
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 1.079 times the price of the vehicle in the red box, and the total price of the two vehicles is 395000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.079)X=395000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1468.0 and 1842.9 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2882
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'toyota highlander': 250000, 'byd seal': 215000, 'bmw 3 series': 285000, 'audi q3': 215000, 'hyundai elantra': 95000, 'volvo s60': 230000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'buick envision': 205000, 'buick velite 6': 100000, 'mercedes-benz glk': 465000, 'toyota rav4': 165000, 'geely icon': 100000, 'audi a8': 1250000, 'volkswagen passat': 135000, 'toyota corolla': 95000, 'byd song plus': 155000, 'bmw x1': 225000, 'buick gl8': 330000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'mercedes-benz glc': 335000, 'mercedes-benz gle': 630000, 'toyota avalon': 190000, 'honda cr-v': 170000, 'chevrolet cruze': 35000, 'jeep grand commander': 125000, 'byd han': 210000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo xc60': 290000, 'honda odyssey': 250000, 'bmw 5 series': 425000, 'volkswagen cc': 205000, 'ora good cat': 120000, 'renault kadjar': 45000, 'byd dolphin': 115000, 'honda accord': 130000}",
+        "choices":"A) 45000. B) 15000. C) 7500. D) 30000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and buick envision \/nStep 2, query the prices of two vehicles: 190000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 205000-190000=15000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2883
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":55,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2808.7, 1468.0] and [1758.5, 1842.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [40.4, 17.1, 138.4] and [-10.8, 32.0, 123.6] \/nStep 4, calculate distance in camera coordinate system: 55",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2884
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2885
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2886
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2887
+    },
+    {
+        "image":"735e641f-DJI_0062_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2888
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and volkswagen golf \/nStep 2, query the prices of two vehicles: 285000 and 175000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2889
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"A) 1.3. B) 1.6. C) 10.3. D) 4.2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and volkswagen golf \/nStep 2, query the prices of two vehicles: 285000 and 175000 \/nStep 3, calculate the price ratio of two vehicles: 285000\/175000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2890
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the red box is 1.629 times the price of the vehicle in the blue box, and the total price of the two vehicles is 460000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":285000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.629)X=460000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 175000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1629.7 and 1435.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 285000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2891
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'byd song plus': 155000, 'hyundai elantra': 95000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'volkswagen lavida': 75000, 'byd seal': 215000, 'audi a8': 1250000, 'volvo s60': 230000, 'audi q3': 215000, 'audi a4l': 230000, 'bmw 3 series': 285000, 'buick velite 6': 100000, 'buick envision': 205000, 'geely icon': 100000, 'mercedes-benz glk': 465000, 'byd han': 210000, 'mercedes-benz gle': 630000, 'buick gl8': 330000, 'volvo xc60': 290000, 'jeep grand commander': 125000, 'mercedes-benz glc': 335000, 'mercedes-benz c-class': 220000, 'toyota highlander': 250000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet cruze': 35000, 'volkswagen jetta': 115000, 'volkswagen tiguan': 85000, 'volkswagen golf': 175000, 'buick excelle': 45000, 'roewe erx5': 50000, 'toyota camry': 190000, 'toyota avalon': 190000}",
+        "choices":"A) 110000. B) 55000. C) 220000. D) 330000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and volkswagen golf \/nStep 2, query the prices of two vehicles: 285000 and 175000 \/nStep 3, calculate the price difference of two vehicles: 285000-175000=110000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2892
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 29. B) 44. C) 34. D) 39.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2879.7, 1629.7] and [3363.6, 1435.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [41.7, 23.9, 131.6] and [68.8, 15.7, 139.9] \/nStep 4, calculate distance in camera coordinate system: 29",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2893
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2894
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2895
+    },
+    {
+        "image":"39f43a0a-DJI_0063_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2896
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and roewe erx5 \/nStep 2, query the prices of two vehicles: 155000 and 50000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2897
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":3.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and roewe erx5 \/nStep 2, query the prices of two vehicles: 155000 and 50000 \/nStep 3, calculate the price ratio of two vehicles: 155000\/50000=3.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2898
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 3.1 times the price of the vehicle in the blue box, and the total price of the two vehicles is 205000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":155000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.1)X=205000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 50000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 924.0 and 842.6 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 155000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2899
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'ford mustang': 560000, 'buick regal': 165000, 'byd qin': 30000, 'nissan teana': 165000, 'infiniti g series': 115000, 'toyota levin': 95000, 'audi q5': 110000, 'toyota avalon': 190000, 'nio ec6': 385000, 'tesla model y': 305000, 'byd dolphin': 115000, 'volkswagen lavida': 75000, 'buick lacrosse': 170000, 'toyota camry': 190000, 'buick excelle': 45000, 'volkswagen tiguan l': 155000, 'bmw m5': 1455000, 'bmw 5 series': 425000, 'toyota rav4': 165000, 'volkswagen touan l': 145000, 'roewe erx5': 50000, 'bmw x3': 340000, 'peugeot 3008': 40000, 'audi a6l': 430000, 'bmw x5': 675000, 'bmw ix3': 290000, 'roewe i5': 65000, 'byd qin plus': 105000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'volvo xc60': 290000, 'volkswagen t-roc': 135000, 'cadillac xt6': 370000, 'bmw 3 series': 285000, 'volkswagen passat': 135000, 'tesla model 3': 285000, 'rising er6': 90000, 'hyundai ix25': 60000, 'mercedes-benz e-class': 390000, 'aito m5': 265000, 'toyota carola': 95000}",
+        "choices":"",
+        "answer":105000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and roewe erx5 \/nStep 2, query the prices of two vehicles: 155000 and 50000 \/nStep 3, calculate the price difference of two vehicles: 155000-50000=105000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2900
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 29. B) 44. C) 34. D) 39.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2508.2, 924.0] and [1499.4, 842.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [14.7, -5.8, 80.0] and [-14.4, -8.1, 80.0] \/nStep 4, calculate distance in camera coordinate system: 29",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2901
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2902
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2903
+    },
+    {
+        "image":"e6667ce3-DJI_0115_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 0. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2904
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and volkswagen polo \/nStep 2, query the prices of two vehicles: 75000 and 70000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2905
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and volkswagen polo \/nStep 2, query the prices of two vehicles: 75000 and 70000 \/nStep 3, calculate the price ratio of two vehicles: 75000\/70000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2906
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 1.071 times the price of the vehicle in the blue box, and the total price of the two vehicles is 145000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":70000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.071)X=145000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 70000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1436.8 and 1994.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 70000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2907
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota avalon': 190000, 'audi s4': 455000, 'honda avancier': 195000, 'xpeng p7': 235000, 'buick regal': 165000, 'mercedes-benz gla': 205000, 'buick excelle': 45000, 'toyota camry': 190000, 'byd song plus': 155000, 'infiniti qx50': 255000, 'haval h2': 35000, 'lynk&co 1': 190000, 'volkswagen passat': 135000, 'buick envision': 205000, 'volkswagen sagitar': 115000, 'nissan teana': 165000, 'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'buick encore': 50000, 'tesla model y': 305000, 'volkswagen tiguan l': 155000, 'mercedes-benz e-class': 390000, 'audi a3': 150000, 'volkswagen beetle': 140000, 'ford focus': 55000, 'skoda superb': 25000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'bmw x2': 140000, 'volvo xc90': 545000, 'mini mini': 270000, 'ora good cat': 120000, 'buick velite 6': 100000, 'audi a6l': 430000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'volvo xc40': 225000, 'volkswagen lavida': 75000, 'audi q3': 215000, 'byd qin': 30000, 'volvo xc60': 290000, 'byd yuan plus': 135000, 'buick gl8': 330000, 'toyota corolla': 95000, 'honda cr-v': 170000, 'volkswagen touran': 35000, 'bmw 3 series': 285000, 'mercedes-benz glc': 335000, 'bmw x7': 1305000, 'byd tang': 225000, 'volkswagen golf': 175000, 'volkswagen tayron gte': 215000, 'buick enclave': 205000, 'citroen elysee': 25000, 'bmw x1': 225000, 'buick lacrosse': 170000, 'bmw x3': 340000, 'byd han': 210000, 'lexus rx': 480000, 'riich g3': 30000}",
+        "choices":"A) 2500. B) 15000. C) 10000. D) 5000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen lavida and volkswagen polo \/nStep 2, query the prices of two vehicles: 75000 and 70000 \/nStep 3, calculate the price difference of two vehicles: 75000-70000=5000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2908
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 32. B) 42. C) 37. D) 27.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2730.5, 1436.8] and [3246.6, 1994.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [31.6, 13.5, 120.0] and [53.9, 37.6, 120.0] \/nStep 4, calculate distance in camera coordinate system: 32",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2909
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2910
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2911
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2912
+    },
+    {
+        "image":"ef434dcd-DJI_0120_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 5. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2913
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and bmw x5 \/nStep 2, query the prices of two vehicles: 305000 and 675000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2914
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":2.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and bmw x5 \/nStep 2, query the prices of two vehicles: 305000 and 675000 \/nStep 3, calculate the price ratio of two vehicles: 675000\/305000=2.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2915
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 2.213 times the price of the vehicle in the red box, and the total price of the two vehicles is 980000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.213)X=980000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 675000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1636.4 and 1323.7 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2916
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'nio ec6': 385000, 'ford mustang': 560000, 'toyota camry': 190000, 'bmw x3': 340000, 'byd yuan plus': 135000, 'bmw m5': 1455000, 'toyota avalon': 190000, 'byd qin': 30000, 'tesla model y': 305000, 'bmw 5 series': 425000, 'infiniti g series': 115000, 'nissan teana': 165000, 'byd qin plus': 105000, 'volkswagen tiguan l': 155000, 'roewe i5': 65000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'bmw 3 series': 285000, 'volvo xc60': 290000, 'cadillac xt6': 370000, 'aito m5': 265000, 'bmw x5': 675000, 'hyundai ix25': 60000, 'volkswagen touan l': 145000, 'mercedes-benz e-class': 390000, 'buick regal': 165000, 'volkswagen passat': 135000}",
+        "choices":"A) 370000. B) 185000. C) 1110000. D) 740000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and bmw x5 \/nStep 2, query the prices of two vehicles: 305000 and 675000 \/nStep 3, calculate the price difference of two vehicles: 675000-305000=370000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2917
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":17,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1981.2, 1636.4] and [1328.9, 1323.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-0.4, 11.5, 62.6] and [-16.1, 4.8, 66.5] \/nStep 4, calculate distance in camera coordinate system: 17",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2918
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 1. C) 3. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2919
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2920
+    },
+    {
+        "image":"804bf3b1-DJI_0130_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 3. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2921
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'ford focus': 55000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick enclave and byd song plus \/nStep 2, query the prices of two vehicles: 205000 and 155000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2922
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'ford focus': 55000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 1.3. B) 2.1. C) 4.2. D) 8.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick enclave and byd song plus \/nStep 2, query the prices of two vehicles: 205000 and 155000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/155000=1.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2923
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 1.323 times the price of the vehicle in the blue box, and the total price of the two vehicles is 360000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":155000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.323)X=360000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 155000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 803.8 and 1911.2 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 155000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2924
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen passat': 135000, 'volvo xc60': 290000, 'volvo xc40': 225000, 'haval h2': 35000, 'buick regal': 165000, 'infiniti qx50': 255000, 'toyota corolla': 95000, 'bmw x7': 1305000, 'citroen elysee': 25000, 'tesla model y': 305000, 'audi s4': 455000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'roewe erx5': 50000, 'buick enclave': 205000, 'mercedes-benz glc': 335000, 'volkswagen tiguan l': 155000, 'byd song plus': 155000, 'nissan teana': 165000, 'volkswagen tayron gte': 215000, 'xpeng p7': 235000, 'bmw x1': 225000, 'honda cr-v': 170000, 'volkswagen beetle': 140000, 'bmw x3': 340000, 'ford focus': 55000, 'byd yuan plus': 135000, 'toyota avalon': 190000, 'volkswagen polo': 70000, 'buick gl8': 330000, 'audi q3': 215000}",
+        "choices":"A) 100000. B) 50000. C) 150000. D) 25000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick enclave and byd song plus \/nStep 2, query the prices of two vehicles: 205000 and 155000 \/nStep 3, calculate the price difference of two vehicles: 205000-155000=50000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2925
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":32,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2321.8, 803.8] and [392.8, 1911.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.6, -5.6, 48.0] and [-19.1, 9.4, 33.1] \/nStep 4, calculate distance in camera coordinate system: 32",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2926
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2927
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2928
+    },
+    {
+        "image":"436392aa-DJI_0146_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 0. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2929
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota levin and byd yuan plus \/nStep 2, query the prices of two vehicles: 95000 and 135000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2930
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota levin and byd yuan plus \/nStep 2, query the prices of two vehicles: 95000 and 135000 \/nStep 3, calculate the price ratio of two vehicles: 135000\/95000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2931
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 1.421 times the price of the vehicle in the red box, and the total price of the two vehicles is 230000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":95000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.421)X=230000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 135000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1185.8 and 56.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2932
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen t-roc': 135000, 'volkswagen tiguan l': 155000, 'roewe erx5': 50000, 'cadillac xt6': 370000, 'audi q5': 110000, 'volvo xc60': 290000, 'toyota levin': 95000, 'buick excelle': 45000, 'bmw ix3': 290000, 'peugeot 3008': 40000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'ford mondeo': 170000, 'buick lacrosse': 170000, 'byd yuan plus': 135000}",
+        "choices":"A) 20000. B) 40000. C) 120000. D) 80000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota levin and byd yuan plus \/nStep 2, query the prices of two vehicles: 95000 and 135000 \/nStep 3, calculate the price difference of two vehicles: 135000-95000=40000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2933
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":57,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1701.1, 1185.8] and [3521.6, 56.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-4.5, 0.9, 41.5] and [37.9, -26.6, 69.0] \/nStep 4, calculate distance in camera coordinate system: 57",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2934
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2935
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2936
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2937
+    },
+    {
+        "image":"05e3969e-DJI_0152_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 2. D) 5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2938
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin and volkswagen t-roc \/nStep 2, query the prices of two vehicles: 30000 and 135000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2939
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"",
+        "answer":4.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin and volkswagen t-roc \/nStep 2, query the prices of two vehicles: 30000 and 135000 \/nStep 3, calculate the price ratio of two vehicles: 135000\/30000=4.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2940
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 4.5 times the price of the vehicle in the red box, and the total price of the two vehicles is 165000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.5)X=165000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 135000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 987.8 and 329.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 30000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2941
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford mustang': 560000, 'volkswagen touan l': 145000, 'byd song plus': 155000, 'infiniti g series': 115000, 'toyota avalon': 190000, 'bmw m5': 1455000, 'aito m5': 265000, 'byd qin': 30000, 'bmw 5 series': 425000, 'toyota camry': 190000, 'bmw x3': 340000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'buick lacrosse': 170000, 'buick regal': 165000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'tesla model 3': 285000, 'hyundai ix25': 60000, 'bmw x5': 675000, 'volkswagen t-roc': 135000, 'mercedes-benz e-class': 390000, 'volkswagen tiguan l': 155000, 'volkswagen touareg': 225000, 'bmw ix3': 290000, 'roewe erx5': 50000, 'nissan teana': 165000, 'toyota rav4': 165000, 'cadillac xt6': 370000, 'audi q5': 110000, 'buick excelle': 45000, 'nio ec6': 385000, 'volkswagen lavida': 75000, 'byd yuan plus': 135000, 'volvo xc60': 290000, 'roewe i5': 65000, 'bmw 3 series': 285000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'leap c01': 145000}",
+        "choices":"A) 105000. B) 210000. C) 52500. D) 315000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin and volkswagen t-roc \/nStep 2, query the prices of two vehicles: 30000 and 135000 \/nStep 3, calculate the price difference of two vehicles: 135000-30000=105000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2942
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 63. B) 58. C) 53. D) 68.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2208.8, 987.8] and [2569.8, 329.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [7.8, -5.2, 104.1] and [28.5, -39.8, 138.8] \/nStep 4, calculate distance in camera coordinate system: 53",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2943
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 1. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2944
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2945
+    },
+    {
+        "image":"255c8337-DJI_0160_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2946
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and ideal one \/nStep 2, query the prices of two vehicles: 250000 and 185000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2947
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"A) 1.4. B) 4.2. C) 2.1. D) 1.5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and ideal one \/nStep 2, query the prices of two vehicles: 250000 and 185000 \/nStep 3, calculate the price ratio of two vehicles: 250000\/185000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2948
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 1.351 times the price of the vehicle in the blue box, and the total price of the two vehicles is 435000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":250000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.351)X=435000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 185000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1195.1 and 766.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 250000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2949
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'cadillac xts': 105000, 'roewe erx5': 50000, 'lexus ct': 100000, 'byd han': 210000, 'mini mini': 270000, 'toyota corolla': 95000, 'tesla model 3': 285000, 'volkswagen polo': 70000, 'volkswagen santana': 40000, 'ford focus': 55000, 'byd tang': 225000, 'audi a3': 150000, 'mercedes-benz glc': 335000, 'volkswagen lavida': 75000, 'ford mondeo': 170000, 'byd dolphin': 115000, 'buick regal': 165000, 'nissan x-trail': 175000, 'bmw x3': 340000, 'buick envision': 205000, 'bmw 3 series': 285000, 'bmw 4 series': 455000, 'audi q3': 215000, 'skoda octavia': 150000, 'tesla model y': 305000, 'roewe 550': 20000, 'wey vv6': 70000, 'infiniti qx60': 145000, 'bmw 6 series gt': 530000, 'rising er6': 90000, 'ideal one': 185000, 'toyota levin': 95000, 'volkswagen tayron x': 200000, 'bmw x1': 225000, 'mazda ruiyi': 40000, 'changan cs15': 35000, 'mazda axela': 130000, 'byd song': 55000, 'byd yuan plus': 135000, 'harvard h6': 100000, 'citroen c5': 40000, 'toyota highlander': 250000, 'lexus rx': 480000, 'roewe rx5': 105000, 'lexus nx': 370000, 'volvo s90': 325000, 'denza x': 105000, 'honda vezel': 90000, 'cadillac ats-l': 85000, 'volvo v40': 65000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'volkswagen passat': 135000, 'volkswagen tayron gte': 215000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":65000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota highlander and ideal one \/nStep 2, query the prices of two vehicles: 250000 and 185000 \/nStep 3, calculate the price difference of two vehicles: 250000-185000=65000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2950
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 34. B) 19. C) 24. D) 29.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1985.7, 1195.1] and [1833.9, 766.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-0.6, 3.0, 120.0] and [-7.2, -15.5, 120.0] \/nStep 4, calculate distance in camera coordinate system: 19",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2951
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+6=11 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 11-2=9 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-9=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2952
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 6.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2953
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2954
+    },
+    {
+        "image":"185d23b2-DJI_0184_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2955
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'volkswagen tayron gte': 215000, 'bmw 4 series': 455000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: infiniti qx60 and bmw 3 series \/nStep 2, query the prices of two vehicles: 145000 and 285000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2956
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'volkswagen tayron gte': 215000, 'bmw 4 series': 455000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: infiniti qx60 and bmw 3 series \/nStep 2, query the prices of two vehicles: 145000 and 285000 \/nStep 3, calculate the price ratio of two vehicles: 285000\/145000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2957
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 1.966 times the price of the vehicle in the red box, and the total price of the two vehicles is 430000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 290000. B) 295000. C) 305000. D) 285000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.966)X=430000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 285000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1340.7 and 1631.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 285000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2958
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd han': 210000, 'skoda octavia': 150000, 'infiniti qx60': 145000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'buick regal': 165000, 'bmw 3 series': 285000, 'audi q3': 215000, 'mercedes-benz glc': 335000, 'toyota highlander': 250000, 'byd tang': 225000, 'ford mondeo': 170000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'ford focus': 55000, 'ideal one': 185000, 'nissan x-trail': 175000, 'harvard h6': 100000, 'bmw x1': 225000, 'bmw x3': 340000, 'citroen c5': 40000, 'volkswagen tayron x': 200000, 'volvo v40': 65000, 'volkswagen polo': 70000, 'volkswagen lavida': 75000, 'honda vezel': 90000, 'bmw 6 series gt': 530000, 'volkswagen santana': 40000, 'lexus rx': 480000, 'mazda ruiyi': 40000, 'cadillac ats-l': 85000, 'roewe rx5': 105000, 'byd yuan plus': 135000, 'cadillac xts': 105000, 'lexus ct': 100000, 'roewe ei6': 50000, 'lexus nx': 370000, 'byd song': 55000, 'denza x': 105000, 'cadillac xt5': 285000, 'mini mini': 270000, 'byd dolphin': 115000, 'buick envision': 205000, 'rising er6': 90000, 'volkswagen tayron gte': 215000, 'bmw 4 series': 455000, 'chery tiggo': 15000}",
+        "choices":"",
+        "answer":140000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: infiniti qx60 and bmw 3 series \/nStep 2, query the prices of two vehicles: 145000 and 285000 \/nStep 3, calculate the price difference of two vehicles: 285000-145000=140000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2959
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 12. B) 17. C) 7. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2924.5, 1340.7] and [3073.4, 1631.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [22.1, 5.2, 66.3] and [24.2, 11.4, 62.7] \/nStep 4, calculate distance in camera coordinate system: 7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2960
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 7+5=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-10=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2961
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 7.0 and 5.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2962
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2963
+    },
+    {
+        "image":"4eb04cdf-DJI_0188_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2964
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and ideal one \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2965
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"A) 1.6. B) 1.5. C) 10.3. D) 2.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and ideal one \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, calculate the price ratio of two vehicles: 185000\/115000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2966
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 1.609 times the price of the vehicle in the red box, and the total price of the two vehicles is 300000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 135000. B) 115000. C) 145000. D) 125000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.609)X=300000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 185000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1517.2 and 1198.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 115000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2967
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'byd tang': 225000, 'tesla model 3': 285000, 'volkswagen lavida': 75000, 'byd han': 210000, 'buick envision': 205000, 'skoda octavia': 150000, 'wey vv6': 70000, 'roewe erx5': 50000, 'ford mondeo': 170000, 'bmw 6 series gt': 530000, 'nissan x-trail': 175000, 'byd yuan plus': 135000, 'citroen c5': 40000, 'ford focus': 55000, 'audi q3': 215000, 'buick regal': 165000, 'bmw x3': 340000, 'rising er6': 90000, 'toyota levin': 95000, 'audi a3': 150000, 'cadillac xts': 105000, 'toyota corolla': 95000, 'ideal one': 185000, 'tesla model y': 305000, 'mercedes-benz glc': 335000, 'volkswagen santana': 40000, 'volkswagen tayron x': 200000, 'bmw 4 series': 455000, 'lexus nx': 370000, 'roewe ei6': 50000, 'byd dolphin': 115000, 'denza x': 105000, 'volvo v40': 65000, 'toyota highlander': 250000, 'cadillac ats-l': 85000, 'infiniti qx60': 145000, 'lexus rx': 480000, 'mini mini': 270000, 'mazda ruiyi': 40000, 'cadillac xt5': 285000, 'roewe rx5': 105000, 'volkswagen polo': 70000, 'lexus ct': 100000, 'byd song': 55000, 'volkswagen tayron gte': 215000, 'bmw 3 series': 285000, 'bmw x1': 225000, 'mazda axela': 130000, 'honda vezel': 90000, 'chery tiggo': 15000, 'volvo s90': 325000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":70000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and ideal one \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, calculate the price difference of two vehicles: 185000-115000=70000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2968
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 16. B) 26. C) 31. D) 11.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1488.0, 1517.2] and [1804.6, 1198.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-16.0, 12.3, 86.7] and [-6.8, 2.6, 96.4] \/nStep 4, calculate distance in camera coordinate system: 16",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2969
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 13 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+6=11 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 11-2=9 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 13-9=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2970
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 6.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2971
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 6.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2972
+    },
+    {
+        "image":"fbfa05bd-DJI_0216_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 2. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2973
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sharan and byd qin plus \/nStep 2, query the prices of two vehicles: 90000 and 105000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2974
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000}",
+        "choices":"A) 1.5. B) 2.1. C) 1.3. D) 1.2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sharan and byd qin plus \/nStep 2, query the prices of two vehicles: 90000 and 105000 \/nStep 3, calculate the price ratio of two vehicles: 105000\/90000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2975
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 1.167 times the price of the vehicle in the red box, and the total price of the two vehicles is 195000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":105000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.167)X=195000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 105000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 237.7 and 1834.0 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 105000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2976
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'skoda karoq': 155000, 'rising marvel r': 115000, 'hyundai tucson': 155000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'mercedes-benz c-class': 220000, 'lexus es': 340000, 'harvard h6': 100000, 'kia forte': 30000, 'volkswagen tiguan': 55000, 'audi a3': 150000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'audi a4l': 230000, 'geely haoyue': 75000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":15000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sharan and byd qin plus \/nStep 2, query the prices of two vehicles: 90000 and 105000 \/nStep 3, calculate the price difference of two vehicles: 105000-90000=15000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2977
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 33. B) 23. C) 18. D) 28.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3344.4, 237.7] and [3712.7, 1834.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [19.4, -12.8, 40.0] and [24.7, 10.2, 40.0] \/nStep 4, calculate distance in camera coordinate system: 23",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2978
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 7+5=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-10=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2979
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 7.0 and 5.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2980
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2981
+    },
+    {
+        "image":"f87d7dee-DJI_0229_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2982
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda kamiq and roewe 550 \/nStep 2, query the prices of two vehicles: 110000 and 20000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2983
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":5.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda kamiq and roewe 550 \/nStep 2, query the prices of two vehicles: 110000 and 20000 \/nStep 3, calculate the price ratio of two vehicles: 110000\/20000=5.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2984
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 5.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 130000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 115000. B) 150000. C) 130000. D) 110000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 5.5)X=130000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 20000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1746.5 and 1377.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 110000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2985
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a4l': 230000, 'tesla model y': 305000, 'rising marvel r': 115000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'audi q3': 215000, 'lexus es': 340000, 'roewe 550': 20000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'toyota corolla': 95000, 'volvo s60': 230000, 'audi a3': 150000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'harvard h6': 100000, 'volkswagen lavida': 75000, 'volkswagen passat': 135000, 'buick excelle': 45000, 'mini mini': 270000, 'skoda karoq': 155000, 'geely haoyue': 75000, 'kia forte': 30000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":90000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda kamiq and roewe 550 \/nStep 2, query the prices of two vehicles: 110000 and 20000 \/nStep 3, calculate the price difference of two vehicles: 110000-20000=90000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2986
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":21,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1623.9, 1746.5] and [981.2, 1377.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-10.8, 17.9, 80.0] and [-29.4, 7.3, 80.0] \/nStep 4, calculate distance in camera coordinate system: 21",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2987
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2988
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2989
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2990
+    },
+    {
+        "image":"e0a623cb-DJI_0231_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2991
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volkswagen passat \/nStep 2, query the prices of two vehicles: 220000 and 135000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2992
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 1.6. B) 1.3. C) 1.5. D) 4.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volkswagen passat \/nStep 2, query the prices of two vehicles: 220000 and 135000 \/nStep 3, calculate the price ratio of two vehicles: 220000\/135000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2993
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 1.63 times the price of the vehicle in the blue box, and the total price of the two vehicles is 355000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":220000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.63)X=355000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 135000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1962.8 and 774.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2994
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'audi a4l': 230000, 'audi q3': 215000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'volkswagen tiguan': 55000, 'volvo s60': 230000, 'toyota corolla': 95000, 'harvard h6': 100000, 'porsche macan': 715000, 'volkswagen lavida': 75000, 'roewe 550': 20000, 'nissan x-trail': 175000, 'tesla model y': 305000, 'volkswagen sharan': 90000, 'audi a3': 150000, 'skoda karoq': 155000, 'lexus es': 340000, 'buick excelle': 45000, 'byd qin plus': 105000, 'skoda kamiq': 110000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'kia forte': 30000, 'mini mini': 270000}",
+        "choices":"A) 255000. B) 170000. C) 85000. D) 42500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volkswagen passat \/nStep 2, query the prices of two vehicles: 220000 and 135000 \/nStep 3, calculate the price difference of two vehicles: 220000-135000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2995
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":37,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2864.3, 1962.8] and [2346.0, 774.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [24.9, 24.2, 80.0] and [10.0, -10.1, 80.0] \/nStep 4, calculate distance in camera coordinate system: 37",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2996
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 0. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2997
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2998
+    },
+    {
+        "image":"85bdfe83-DJI_0232_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":2999
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and tesla model y \/nStep 2, query the prices of two vehicles: 220000 and 305000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3000
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and tesla model y \/nStep 2, query the prices of two vehicles: 220000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/220000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3001
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 1.386 times the price of the vehicle in the red box, and the total price of the two vehicles is 525000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 240000. B) 230000. C) 260000. D) 220000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.386)X=525000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1272.0 and 1195.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3002
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'geely haoyue': 75000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'audi a3': 150000, 'buick excelle': 45000, 'tesla model y': 305000, 'lexus es': 340000, 'byd qin plus': 105000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'volkswagen tiguan': 55000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'kia forte': 30000, 'skoda karoq': 155000, 'hyundai tucson': 155000, 'audi a4l': 230000, 'mini mini': 270000, 'harvard h6': 100000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":85000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and tesla model y \/nStep 2, query the prices of two vehicles: 220000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 305000-220000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3003
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2617.1, 1272.0] and [2939.0, 1195.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [26.7, 6.4, 120.0] and [40.6, 3.0, 120.0] \/nStep 4, calculate distance in camera coordinate system: 14",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3004
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3005
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3006
+    },
+    {
+        "image":"799f2d79-DJI_0235_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3007
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and audi q3 \/nStep 2, query the prices of two vehicles: 305000 and 215000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3008
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and audi q3 \/nStep 2, query the prices of two vehicles: 305000 and 215000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/215000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3009
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 1.419 times the price of the vehicle in the blue box, and the total price of the two vehicles is 520000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.419)X=520000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 215000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1288.5 and 1032.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3010
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'rising marvel r': 115000, 'roewe 550': 20000, 'lexus es': 340000, 'volvo s60': 230000, 'toyota corolla': 95000, 'volkswagen lavida': 75000, 'tesla model y': 305000, 'audi a3': 150000, 'skoda karoq': 155000, 'skoda fabia': 30000, 'audi a4l': 230000, 'harvard h6': 100000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'geely haoyue': 75000, 'volkswagen passat': 135000, 'audi q3': 215000, 'porsche macan': 715000, 'kia forte': 30000, 'mini mini': 270000, 'skoda kamiq': 110000, 'volkswagen sharan': 90000, 'nissan x-trail': 175000}",
+        "choices":"A) 90000. B) 270000. C) 180000. D) 45000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and audi q3 \/nStep 2, query the prices of two vehicles: 305000 and 215000 \/nStep 3, calculate the price difference of two vehicles: 305000-215000=90000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3011
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":13,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2736.6, 1288.5] and [2569.3, 1032.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [29.6, 6.6, 111.7] and [24.2, -3.9, 117.7] \/nStep 4, calculate distance in camera coordinate system: 13",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3012
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 0. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3013
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3014
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3015
+    },
+    {
+        "image":"b9806323-DJI_0236_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 5. C) 2. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3016
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: rising marvel r and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3017
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: rising marvel r and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/115000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3018
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the blue box is 2.0 times the price of the vehicle in the red box, and the total price of the two vehicles is 345000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.0)X=345000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 230000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1347.3 and 1087.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 115000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3019
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen sharan': 90000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'tesla model y': 305000, 'volkswagen passat': 135000, 'lexus es': 340000, 'audi q3': 215000, 'audi a3': 150000, 'roewe 550': 20000, 'toyota corolla': 95000, 'porsche macan': 715000, 'skoda fabia': 30000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'harvard h6': 100000, 'mini mini': 270000, 'skoda karoq': 155000, 'audi a4l': 230000, 'nissan x-trail': 175000, 'kia forte': 30000, 'hyundai tucson': 155000, 'skoda kamiq': 110000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: rising marvel r and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, calculate the price difference of two vehicles: 230000-115000=115000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3020
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 13. B) 18. C) 8. D) 23.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1911.0, 1347.3] and [1751.9, 1087.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-3.5, 8.8, 110.4] and [-10.4, -1.6, 116.4] \/nStep 4, calculate distance in camera coordinate system: 13",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3021
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 4. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3022
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3023
+    },
+    {
+        "image":"3f3c425a-DJI_0237_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3024
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'lexus es': 340000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mini mini and roewe 550 \/nStep 2, query the prices of two vehicles: 270000 and 20000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3025
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'lexus es': 340000, 'volkswagen passat': 135000}",
+        "choices":"",
+        "answer":13.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mini mini and roewe 550 \/nStep 2, query the prices of two vehicles: 270000 and 20000 \/nStep 3, calculate the price ratio of two vehicles: 270000\/20000=13.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3026
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 13.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 290000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 60000. B) 30000. C) 50000. D) 20000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 13.5)X=290000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 20000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1321.6 and 1655.8 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 20000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3027
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a4l': 230000, 'geely haoyue': 75000, 'hyundai tucson': 155000, 'skoda fabia': 30000, 'skoda karoq': 155000, 'audi a3': 150000, 'tesla model y': 305000, 'skoda kamiq': 110000, 'nissan x-trail': 175000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'porsche macan': 715000, 'volkswagen sharan': 90000, 'buick excelle': 45000, 'volkswagen tiguan': 55000, 'mini mini': 270000, 'rising marvel r': 115000, 'harvard h6': 100000, 'roewe 550': 20000, 'toyota corolla': 95000, 'byd qin plus': 105000, 'kia forte': 30000, 'lexus es': 340000, 'volkswagen passat': 135000}",
+        "choices":"A) 500000. B) 750000. C) 250000. D) 125000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mini mini and roewe 550 \/nStep 2, query the prices of two vehicles: 270000 and 20000 \/nStep 3, calculate the price difference of two vehicles: 270000-20000=250000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3028
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":24,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1368.1, 1321.6] and [1850.2, 1655.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-25.3, 7.9, 110.9] and [-5.6, 19.9, 104.0] \/nStep 4, calculate distance in camera coordinate system: 24",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3029
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 4+5=9 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 9-2=7 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-7=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3030
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3031
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3032
+    },
+    {
+        "image":"1dacb4c2-DJI_0238_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3033
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and porsche macan \/nStep 2, query the prices of two vehicles: 95000 and 715000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3034
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":7.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and porsche macan \/nStep 2, query the prices of two vehicles: 95000 and 715000 \/nStep 3, calculate the price ratio of two vehicles: 715000\/95000=7.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3035
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 7.526 times the price of the vehicle in the red box, and the total price of the two vehicles is 810000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 100000. B) 105000. C) 95000. D) 135000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 7.526)X=810000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 715000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1793.5 and 1276.4 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3036
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin plus': 105000, 'skoda kamiq': 110000, 'volkswagen lavida': 75000, 'audi a4l': 230000, 'buick excelle': 45000, 'nissan x-trail': 175000, 'rising marvel r': 115000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'geely haoyue': 75000, 'volvo s60': 230000, 'mini mini': 270000, 'volkswagen sharan': 90000, 'mercedes-benz c-class': 220000, 'roewe 550': 20000, 'audi a3': 150000, 'porsche macan': 715000, 'tesla model y': 305000, 'hyundai tucson': 155000, 'volkswagen passat': 135000, 'harvard h6': 100000, 'audi q3': 215000, 'toyota corolla': 95000, 'lexus es': 340000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":620000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and porsche macan \/nStep 2, query the prices of two vehicles: 95000 and 715000 \/nStep 3, calculate the price difference of two vehicles: 715000-95000=620000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3037
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1291.2, 1793.5] and [1068.2, 1276.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-15.5, 14.7, 60.8] and [-22.6, 3.7, 67.2] \/nStep 4, calculate distance in camera coordinate system: 14",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3038
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3039
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3040
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3041
+    },
+    {
+        "image":"b1f13c11-DJI_0242_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 2. C) 0. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3042
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and volkswagen sharan \/nStep 2, query the prices of two vehicles: 95000 and 90000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3043
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and volkswagen sharan \/nStep 2, query the prices of two vehicles: 95000 and 90000 \/nStep 3, calculate the price ratio of two vehicles: 95000\/90000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3044
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 1.056 times the price of the vehicle in the blue box, and the total price of the two vehicles is 185000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":90000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.056)X=185000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 90000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1592.9 and 1847.8 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 90000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3045
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'skoda fabia': 30000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'nissan x-trail': 175000, 'volkswagen tiguan': 55000, 'tesla model y': 305000, 'volkswagen lavida': 75000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'volkswagen sharan': 90000, 'porsche macan': 715000, 'geely haoyue': 75000, 'buick excelle': 45000, 'toyota corolla': 95000, 'skoda karoq': 155000, 'volvo s60': 230000, 'mini mini': 270000, 'lexus es': 340000, 'kia forte': 30000, 'skoda kamiq': 110000, 'rising marvel r': 115000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'roewe 550': 20000}",
+        "choices":"A) 15000. B) 10000. C) 2500. D) 5000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota corolla and volkswagen sharan \/nStep 2, query the prices of two vehicles: 95000 and 90000 \/nStep 3, calculate the price difference of two vehicles: 95000-90000=5000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3046
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":14,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2301.4, 1592.9] and [1711.9, 1847.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [6.9, 10.6, 63.1] and [-6.3, 15.7, 60.2] \/nStep 4, calculate distance in camera coordinate system: 14",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3047
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-10=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3048
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 7.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3049
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 7.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3050
+    },
+    {
+        "image":"81c15dd9-DJI_0243_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 2. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3051
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and skoda kamiq \/nStep 2, query the prices of two vehicles: 20000 and 110000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3052
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":5.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and skoda kamiq \/nStep 2, query the prices of two vehicles: 20000 and 110000 \/nStep 3, calculate the price ratio of two vehicles: 110000\/20000=5.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3053
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 5.5 times the price of the vehicle in the red box, and the total price of the two vehicles is 130000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 5.5)X=130000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 110000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1304.0 and 770.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 20000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3054
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota corolla': 95000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'hyundai tucson': 155000, 'volvo s60': 230000, 'audi a3': 150000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'harvard h6': 100000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'kia forte': 30000, 'skoda fabia': 30000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'byd qin plus': 105000, 'volkswagen passat': 135000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":90000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and skoda kamiq \/nStep 2, query the prices of two vehicles: 20000 and 110000 \/nStep 3, calculate the price difference of two vehicles: 110000-20000=90000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3055
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":23,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1981.1, 1304.0] and [845.6, 770.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-0.3, 2.6, 39.9] and [-20.2, -6.2, 48.6] \/nStep 4, calculate distance in camera coordinate system: 23",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3056
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3057
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3058
+    },
+    {
+        "image":"7f25e1b8-DJI_0257_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3059
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: hyundai tucson and volkswagen lavida \/nStep 2, query the prices of two vehicles: 155000 and 75000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3060
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"A) 10.3. B) 8.6. C) 1.5. D) 2.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: hyundai tucson and volkswagen lavida \/nStep 2, query the prices of two vehicles: 155000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 155000\/75000=2.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3061
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 2.067 times the price of the vehicle in the blue box, and the total price of the two vehicles is 230000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 75000. B) 95000. C) 105000. D) 115000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.067)X=230000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 944.7 and 1496.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 75000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3062
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'rising marvel r': 115000, 'hyundai tucson': 155000, 'audi a3': 150000, 'harvard h6': 100000, 'roewe 550': 20000, 'kia forte': 30000, 'geely haoyue': 75000, 'volkswagen lavida': 75000, 'skoda fabia': 30000, 'volkswagen tiguan': 55000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi a4l': 230000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'mini mini': 270000, 'volvo s60': 230000, 'nissan x-trail': 175000}",
+        "choices":"",
+        "answer":80000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: hyundai tucson and volkswagen lavida \/nStep 2, query the prices of two vehicles: 155000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 155000-75000=80000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3063
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":15,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1926.6, 944.7] and [1085.2, 1496.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-1.2, -2.9, 45.4] and [-12.3, 5.0, 37.4] \/nStep 4, calculate distance in camera coordinate system: 15",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3064
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3065
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3066
+    },
+    {
+        "image":"b46ffff0-DJI_0258_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3067
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and roewe 550 \/nStep 2, query the prices of two vehicles: 220000 and 20000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3068
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"A) 8.6. B) 4.2. C) 11.0. D) 2.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and roewe 550 \/nStep 2, query the prices of two vehicles: 220000 and 20000 \/nStep 3, calculate the price ratio of two vehicles: 220000\/20000=11.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3069
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 11.0 times the price of the vehicle in the blue box, and the total price of the two vehicles is 240000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 11.0)X=240000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 20000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1176.3 and 1339.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 20000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3070
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'toyota corolla': 95000, 'roewe 550': 20000, 'skoda fabia': 30000, 'skoda kamiq': 110000, 'kia forte': 30000, 'rising marvel r': 115000, 'volkswagen lavida': 75000, 'byd qin plus': 105000, 'volkswagen tiguan': 55000, 'audi a4l': 230000, 'lexus es': 340000, 'volvo s60': 230000, 'tesla model y': 305000, 'audi a3': 150000, 'buick excelle': 45000, 'hyundai tucson': 155000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'geely haoyue': 75000, 'volkswagen sharan': 90000, 'skoda karoq': 155000, 'audi q3': 215000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'mini mini': 270000}",
+        "choices":"A) 100000. B) 400000. C) 600000. D) 200000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and roewe 550 \/nStep 2, query the prices of two vehicles: 220000 and 20000 \/nStep 3, calculate the price difference of two vehicles: 220000-20000=200000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3071
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 18. B) 13. C) 23. D) 8.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1592.2, 1176.3] and [1659.4, 1339.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-14.3, 1.8, 97.2] and [-11.3, 7.1, 91.9] \/nStep 4, calculate distance in camera coordinate system: 8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3072
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3073
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3074
+    },
+    {
+        "image":"9f1989cf-DJI_0262_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3075
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick excelle and audi q3 \/nStep 2, query the prices of two vehicles: 45000 and 215000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3076
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"A) 1.5. B) 1.3. C) 4.8. D) 10.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick excelle and audi q3 \/nStep 2, query the prices of two vehicles: 45000 and 215000 \/nStep 3, calculate the price ratio of two vehicles: 215000\/45000=4.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3077
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 4.778 times the price of the vehicle in the red box, and the total price of the two vehicles is 260000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 225000. B) 235000. C) 215000. D) 220000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.778)X=260000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 215000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1045.9 and 1092.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 215000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3078
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd qin plus': 105000, 'geely haoyue': 75000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'roewe 550': 20000, 'volkswagen tiguan': 55000, 'rising marvel r': 115000, 'buick excelle': 45000, 'audi a4l': 230000, 'volkswagen sharan': 90000, 'kia forte': 30000, 'hyundai tucson': 155000, 'mini mini': 270000, 'harvard h6': 100000, 'tesla model y': 305000, 'skoda fabia': 30000, 'porsche macan': 715000, 'nissan x-trail': 175000, 'volkswagen passat': 135000, 'skoda kamiq': 110000, 'audi q3': 215000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick excelle and audi q3 \/nStep 2, query the prices of two vehicles: 45000 and 215000 \/nStep 3, calculate the price difference of two vehicles: 215000-45000=170000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3079
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1406.2, 1045.9] and [1104.6, 1092.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-21.8, -2.9, 101.9] and [-32.3, -1.2, 100.2] \/nStep 4, calculate distance in camera coordinate system: 10",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3080
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3081
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3082
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3083
+    },
+    {
+        "image":"54b72ba2-DJI_0263_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3084
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and porsche macan \/nStep 2, query the prices of two vehicles: 105000 and 715000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3085
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"A) 1.5. B) 2.1. C) 10.3. D) 6.8.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and porsche macan \/nStep 2, query the prices of two vehicles: 105000 and 715000 \/nStep 3, calculate the price ratio of two vehicles: 715000\/105000=6.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3086
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 6.81 times the price of the vehicle in the red box, and the total price of the two vehicles is 820000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":105000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 6.81)X=820000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 715000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1603.5 and 1223.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 105000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3087
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'volkswagen lavida': 75000, 'toyota corolla': 95000, 'rising marvel r': 115000, 'volvo s60': 230000, 'audi a3': 150000, 'skoda fabia': 30000, 'tesla model y': 305000, 'roewe 550': 20000, 'geely haoyue': 75000, 'volkswagen tiguan': 55000, 'buick excelle': 45000, 'byd qin plus': 105000, 'audi a4l': 230000, 'skoda kamiq': 110000, 'mini mini': 270000, 'kia forte': 30000, 'harvard h6': 100000, 'nissan x-trail': 175000, 'volkswagen sharan': 90000, 'volkswagen passat': 135000, 'porsche macan': 715000, 'lexus es': 340000, 'audi q3': 215000, 'hyundai tucson': 155000, 'skoda karoq': 155000}",
+        "choices":"A) 305000. B) 1830000. C) 610000. D) 1220000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and porsche macan \/nStep 2, query the prices of two vehicles: 105000 and 715000 \/nStep 3, calculate the price difference of two vehicles: 715000-105000=610000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3088
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 41. B) 31. C) 36. D) 26.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2670.4, 1603.5] and [2422.4, 1223.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [32.1, 22.9, 132.7] and [22.9, 5.3, 150.2] \/nStep 4, calculate distance in camera coordinate system: 26",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3089
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3090
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3091
+    },
+    {
+        "image":"ca13b97d-DJI_0267_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3092
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick gl8 and beijing x3 \/nStep 2, query the prices of two vehicles: 330000 and 70000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3093
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"A) 4.7. B) 1.3. C) 4.2. D) 10.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick gl8 and beijing x3 \/nStep 2, query the prices of two vehicles: 330000 and 70000 \/nStep 3, calculate the price ratio of two vehicles: 330000\/70000=4.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3094
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 4.714 times the price of the vehicle in the blue box, and the total price of the two vehicles is 400000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 75000. B) 70000. C) 100000. D) 80000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.714)X=400000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 70000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1022.4 and 1798.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 70000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3095
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe e550': 20000, 'bmw 5 series': 425000, 'byd qin': 30000, 'toyota levin': 95000, 'leap c11': 165000, 'nio ec6': 385000, 'ford explorer': 350000, 'roewe rx5': 105000, 'aito m5': 265000, 'bmw 3 series': 285000, 'roewe i5': 65000, 'mg 5': 70000, 'buick gl8': 330000, 'lexus es': 340000, 'toyota camry': 190000, 'audi a6l': 430000, 'volkswagen magotan': 190000, 'byd dolphin': 115000, 'beijing x3': 70000, 'tesla model 3': 285000, 'volvo xc60': 290000, 'volkswagen tiguan': 55000, 'mini mini': 270000}",
+        "choices":"A) 260000. B) 130000. C) 520000. D) 780000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick gl8 and beijing x3 \/nStep 2, query the prices of two vehicles: 330000 and 70000 \/nStep 3, calculate the price difference of two vehicles: 330000-70000=260000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3096
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 37. B) 32. C) 27. D) 22.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2586.6, 1022.4] and [2640.9, 1798.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [16.9, -3.0, 80.0] and [18.5, 19.4, 80.0] \/nStep 4, calculate distance in camera coordinate system: 22",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3097
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 7+5=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-10=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3098
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 7.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3099
+    },
+    {
+        "image":"6ada3bd5-DJI_0276_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3100
+    },
+    {
+        "image":"4e32da5c-DJI_0278_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe rx5': 105000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'lexus rx': 480000, 'mercedes-benz glb': 215000, 'byd song plus': 155000, 'byd yuan plus': 135000, 'byd qin plus': 105000, 'jeep cherokee': 75000, 'volvo s60': 230000, 'bmw 3 series': 285000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'roewe i5': 65000, 'volkswagen sagitar': 115000, 'byd seal': 215000, 'volvo v40': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd tang': 225000, 'smart #1': 220000, 'volkswagen tiguan': 55000, 'byd dolphin': 115000, 'mini mini': 270000, 'byd song': 55000, 'beijing x3': 70000, 'bmw 5 series': 425000, 'volvo xc60': 290000, 'toyota camry': 190000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'roewe 550': 20000, 'toyota corolla': 95000, 'cadillac xt4': 215000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'buick envision': 205000, 'byd han': 210000, 'bmw x4': 475000, 'mg 5': 70000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd yuan plus and byd yuan plus \/nStep 2, query the prices of two vehicles: 135000 and 135000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3101
+    },
+    {
+        "image":"4e32da5c-DJI_0278_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":26,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3354.2, 1371.7] and [2431.6, 1414.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [39.0, 7.1, 80.0] and [12.4, 8.3, 80.0] \/nStep 4, calculate distance in camera coordinate system: 26",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3102
+    },
+    {
+        "image":"4e32da5c-DJI_0278_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3103
+    },
+    {
+        "image":"4e32da5c-DJI_0278_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3104
+    },
+    {
+        "image":"4e32da5c-DJI_0278_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 3. C) 1. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3105
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd han and jeep cherokee \/nStep 2, query the prices of two vehicles: 210000 and 75000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3106
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":2.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd han and jeep cherokee \/nStep 2, query the prices of two vehicles: 210000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 210000\/75000=2.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3107
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 2.8 times the price of the vehicle in the blue box, and the total price of the two vehicles is 285000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 105000. B) 85000. C) 95000. D) 75000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.8)X=285000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1005.6 and 1429.9 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 75000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3108
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model y': 305000, 'mercedes-benz glb': 215000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'byd yuan plus': 135000, 'byd song plus': 155000, 'roewe rx5': 105000, 'byd tang': 225000, 'jeep cherokee': 75000, 'byd seal': 215000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'audi a6l': 430000, 'bmw 3 series': 285000, 'roewe erx5': 50000, 'volvo s60': 230000, 'geely preface': 115000, 'volvo v40': 65000, 'lexus rx': 480000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'smart #1': 220000, 'volvo xc60': 290000, 'byd song': 55000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'volkswagen sagitar': 115000, 'volkswagen tiguan': 55000, 'peugeot 3008': 40000, 'toyota camry': 190000, 'toyota corolla': 95000, 'mg 5': 70000, 'beijing x3': 70000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'mini mini': 270000, 'ora good cat': 120000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":135000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd han and jeep cherokee \/nStep 2, query the prices of two vehicles: 210000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 210000-75000=135000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3109
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":47,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2753.1, 1005.6] and [1172.8, 1429.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [21.7, -3.4, 80.0] and [-23.9, 8.8, 80.0] \/nStep 4, calculate distance in camera coordinate system: 47",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3110
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 3. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3111
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3112
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3113
+    },
+    {
+        "image":"f82cc9c2-DJI_0279_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 5. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3114
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and toyota corolla \/nStep 2, query the prices of two vehicles: 205000 and 95000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3115
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 2.2. B) 1.3. C) 4.2. D) 8.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and toyota corolla \/nStep 2, query the prices of two vehicles: 205000 and 95000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/95000=2.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3116
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 2.158 times the price of the vehicle in the blue box, and the total price of the two vehicles is 300000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 205000. B) 235000. C) 215000. D) 245000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.158)X=300000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 95000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1018.0 and 920.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3117
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd yuan plus': 135000, 'mercedes-benz c-class': 220000, 'jeep cherokee': 75000, 'roewe i5': 65000, 'byd song plus': 155000, 'leap c11': 165000, 'lexus rx': 480000, 'tesla model y': 305000, 'mercedes-benz glb': 215000, 'byd seal': 215000, 'mg 5': 70000, 'byd tang': 225000, 'roewe rx5': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'skoda octavia': 150000, 'audi a6l': 430000, 'byd qin plus': 105000, 'peugeot 3008': 40000, 'bmw 3 series': 285000, 'volvo v40': 65000, 'bmw 5 series': 425000, 'geely vision x3': 35000, 'smart #1': 220000, 'byd song': 55000, 'volkswagen sagitar': 115000, 'roewe erx5': 50000, 'geely preface': 115000, 'toyota corolla': 95000, 'byd dolphin': 115000, 'beijing x3': 70000, 'volkswagen tiguan': 55000, 'volvo xc60': 290000, 'cadillac xt4': 215000, 'roewe 550': 20000, 'toyota camry': 190000, 'ora good cat': 120000, 'mini mini': 270000, 'roewe ei5': 160000, 'toyota highlander': 250000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000}",
+        "choices":"A) 220000. B) 110000. C) 330000. D) 55000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and toyota corolla \/nStep 2, query the prices of two vehicles: 205000 and 95000 \/nStep 3, calculate the price difference of two vehicles: 205000-95000=110000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3118
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 11. B) 16. C) 26. D) 21.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2426.7, 1018.0] and [2663.2, 920.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [18.5, -4.6, 120.0] and [28.7, -8.8, 120.0] \/nStep 4, calculate distance in camera coordinate system: 11",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3119
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 4. C) 1. D) 3.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3120
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3121
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3122
+    },
+    {
+        "image":"d4968602-DJI_0280_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 2. C) 3. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3123
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tiguan and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 55000 and 220000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3124
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"A) 4.0. B) 8.6. C) 1.3. D) 4.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tiguan and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 55000 and 220000 \/nStep 3, calculate the price ratio of two vehicles: 220000\/55000=4.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3125
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 4.0 times the price of the vehicle in the red box, and the total price of the two vehicles is 275000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":220000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.0)X=275000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 220000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1498.4 and 1964.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3126
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'roewe e550': 20000, 'jeep cherokee': 75000, 'byd tang': 225000, 'mercedes-benz glb': 215000, 'byd yuan plus': 135000, 'roewe rx5': 105000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'mercedes-benz c-class': 220000, 'roewe i5': 65000, 'aito m5': 265000, 'leap c11': 165000, 'mg 5': 70000, 'byd song plus': 155000, 'nio ec6': 385000, 'bmw 5 series': 425000, 'byd qin': 30000, 'volkswagen tiguan': 55000, 'byd seal': 215000, 'volkswagen magotan': 190000, 'volvo v40': 65000, 'smart #1': 220000, 'byd qin plus': 105000, 'volvo s60': 230000, 'volkswagen golf': 175000, 'ford explorer': 350000, 'skoda octavia': 150000, 'geely vision x3': 35000, 'peugeot 3008': 40000, 'toyota levin': 95000, 'audi a6l': 430000, 'geely preface': 115000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'toyota corolla': 95000, 'volvo xc60': 290000, 'audi a4l': 230000, 'beijing x3': 70000, 'toyota camry': 190000, 'lexus es': 340000, 'buick gl8': 330000, 'roewe ei5': 160000, 'tesla model 3': 285000, 'mini mini': 270000, 'cadillac xt4': 215000, 'ora good cat': 120000, 'roewe 550': 20000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":165000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tiguan and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 55000 and 220000 \/nStep 3, calculate the price difference of two vehicles: 220000-55000=165000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3127
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":25,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2033.9, 1498.4] and [1689.0, 1964.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [1.5, 16.1, 120.0] and [-13.5, 36.3, 120.0] \/nStep 4, calculate distance in camera coordinate system: 25",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3128
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 0. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3129
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3130
+    },
+    {
+        "image":"616ce28c-DJI_0281_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 0. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3131
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen golf and roewe ei5 \/nStep 2, query the prices of two vehicles: 175000 and 160000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3132
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen golf and roewe ei5 \/nStep 2, query the prices of two vehicles: 175000 and 160000 \/nStep 3, calculate the price ratio of two vehicles: 175000\/160000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3133
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 1.094 times the price of the vehicle in the blue box, and the total price of the two vehicles is 335000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 190000. B) 200000. C) 160000. D) 170000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.094)X=335000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 160000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1134.0 and 1350.0 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 160000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3134
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'lexus rx': 480000, 'mercedes-benz c-class': 220000, 'mercedes-benz glb': 215000, 'roewe i5': 65000, 'aito m5': 265000, 'byd yuan plus': 135000, 'nio ec6': 385000, 'jeep cherokee': 75000, 'roewe rx5': 105000, 'volkswagen golf': 175000, 'geely vision x3': 35000, 'byd qin plus': 105000, 'roewe erx5': 50000, 'volkswagen sagitar': 115000, 'bmw 3 series': 285000, 'tesla model y': 305000, 'volvo s60': 230000, 'byd song plus': 155000, 'byd seal': 215000, 'geely preface': 115000, 'skoda octavia': 150000, 'mg 5': 70000, 'bmw 5 series': 425000, 'byd qin': 30000, 'leap c11': 165000, 'byd song': 55000, 'mini mini': 270000, 'audi a6l': 430000, 'toyota highlander': 250000, 'byd tang': 225000, 'smart #1': 220000, 'peugeot 3008': 40000, 'ora good cat': 120000, 'byd dolphin': 115000, 'lexus es': 340000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'volvo xc60': 290000, 'roewe 550': 20000, 'toyota corolla': 95000, 'roewe e550': 20000, 'ford explorer': 350000, 'buick gl8': 330000, 'toyota camry': 190000, 'tesla model 3': 285000, 'volvo v40': 65000, 'toyota levin': 95000, 'volkswagen magotan': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000}",
+        "choices":"",
+        "answer":15000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen golf and roewe ei5 \/nStep 2, query the prices of two vehicles: 175000 and 160000 \/nStep 3, calculate the price difference of two vehicles: 175000-160000=15000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3135
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":39,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1774.4, 1134.0] and [2735.3, 1350.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-9.4, 0.4, 115.3] and [29.2, 8.9, 110.3] \/nStep 4, calculate distance in camera coordinate system: 39",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3136
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 0. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3137
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3138
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3139
+    },
+    {
+        "image":"049975e3-DJI_0284_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 3. C) 0. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3140
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd yuan plus and buick gl8 \/nStep 2, query the prices of two vehicles: 135000 and 330000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3141
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 1.5. B) 2.1. C) 2.4. D) 8.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd yuan plus and buick gl8 \/nStep 2, query the prices of two vehicles: 135000 and 330000 \/nStep 3, calculate the price ratio of two vehicles: 330000\/135000=2.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3142
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the blue box is 2.444 times the price of the vehicle in the red box, and the total price of the two vehicles is 465000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 330000. B) 360000. C) 350000. D) 370000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.444)X=465000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 330000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 911.5 and 1440.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 330000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3143
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nio ec6': 385000, 'byd seal': 215000, 'bmw 3 series': 285000, 'byd yuan plus': 135000, 'volvo s60': 230000, 'byd qin plus': 105000, 'bmw 5 series': 425000, 'ford explorer': 350000, 'roewe e550': 20000, 'mg 5': 70000, 'skoda octavia': 150000, 'volkswagen sagitar': 115000, 'peugeot 3008': 40000, 'byd tang': 225000, 'byd song': 55000, 'byd dolphin': 115000, 'roewe i5': 65000, 'audi a6l': 430000, 'roewe erx5': 50000, 'geely preface': 115000, 'mercedes-benz glb': 215000, 'smart #1': 220000, 'volkswagen magotan': 190000, 'geely vision x3': 35000, 'toyota camry': 190000, 'tesla model 3': 285000, 'tesla model y': 305000, 'volvo xc60': 290000, 'lexus es': 340000, 'byd song plus': 155000, 'volkswagen tiguan': 55000, 'beijing x3': 70000, 'buick gl8': 330000, 'toyota corolla': 95000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000, 'hyundai avante': 40000, 'audi a4l': 230000}",
+        "choices":"A) 97500. B) 585000. C) 195000. D) 390000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd yuan plus and buick gl8 \/nStep 2, query the prices of two vehicles: 135000 and 330000 \/nStep 3, calculate the price difference of two vehicles: 330000-135000=195000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3144
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 64. B) 79. C) 59. D) 74.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2555.7, 911.5] and [1088.8, 1440.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [24.2, -9.3, 120.8] and [-35.6, 12.3, 108.4] \/nStep 4, calculate distance in camera coordinate system: 64",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3145
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-10=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3146
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3147
+    },
+    {
+        "image":"2d34e10a-DJI_0286_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 5. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3148
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and buick envision \/nStep 2, query the prices of two vehicles: 150000 and 205000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3149
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and buick envision \/nStep 2, query the prices of two vehicles: 150000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/150000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3150
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 1.367 times the price of the vehicle in the red box, and the total price of the two vehicles is 355000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 205000. B) 225000. C) 215000. D) 210000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.367)X=355000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 306.9 and 931.9 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3151
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'geely preface': 115000, 'byd seal': 215000, 'roewe erx5': 50000, 'byd qin plus': 105000, 'byd dolphin': 115000, 'byd yuan plus': 135000, 'bmw 3 series': 285000, 'geely vision x3': 35000, 'volvo s60': 230000, 'audi a6l': 430000, 'byd tang': 225000, 'skoda octavia': 150000, 'byd song plus': 155000, 'mercedes-benz glb': 215000, 'peugeot 3008': 40000, 'mg 5': 70000, 'tesla model y': 305000, 'byd song': 55000, 'volkswagen tiguan': 55000, 'smart #1': 220000, 'volvo xc60': 290000, 'bmw 5 series': 425000, 'ora good cat': 120000, 'beijing x3': 70000, 'hyundai avante': 40000, 'toyota corolla': 95000, 'roewe 550': 20000, 'toyota camry': 190000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'cadillac xt4': 215000, 'roewe ei5': 160000, 'tesla model 3': 285000}",
+        "choices":"A) 165000. B) 110000. C) 55000. D) 27500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and buick envision \/nStep 2, query the prices of two vehicles: 150000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 205000-150000=55000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3152
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":27,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2202.2, 306.9] and [1627.8, 931.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [6.1, -24.6, 83.5] and [-9.7, -5.0, 72.2] \/nStep 4, calculate distance in camera coordinate system: 27",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3153
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 4. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3154
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3155
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3156
+    },
+    {
+        "image":"f88ea4c5-DJI_0295_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 0. B) 4. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3157
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and byd song \/nStep 2, query the prices of two vehicles: 20000 and 55000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3158
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":2.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and byd song \/nStep 2, query the prices of two vehicles: 20000 and 55000 \/nStep 3, calculate the price ratio of two vehicles: 55000\/20000=2.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3159
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 2.75 times the price of the vehicle in the red box, and the total price of the two vehicles is 75000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 65000. B) 95000. C) 55000. D) 85000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.75)X=75000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 55000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 316.3 and 1883.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 55000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3160
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song': 55000, 'volvo s60': 230000, 'byd tang': 225000, 'toyota corolla': 95000, 'bmw 3 series': 285000, 'audi a6l': 430000, 'byd yuan plus': 135000, 'byd dolphin': 115000, 'bmw 5 series': 425000, 'roewe erx5': 50000, 'geely preface': 115000, 'byd seal': 215000, 'byd qin plus': 105000, 'cadillac xt4': 215000, 'bmw x4': 475000, 'byd han': 210000, 'buick envision': 205000, 'tesla model 3': 285000, 'roewe ei5': 160000, 'roewe 550': 20000, 'ora good cat': 120000}",
+        "choices":"",
+        "answer":35000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe 550 and byd song \/nStep 2, query the prices of two vehicles: 20000 and 55000 \/nStep 3, calculate the price difference of two vehicles: 55000-20000=35000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3161
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 24. B) 19. C) 29. D) 39.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2417.0, 316.3] and [1869.7, 1883.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [6.3, -12.1, 41.7] and [-1.4, 8.2, 29.9] \/nStep 4, calculate distance in camera coordinate system: 24",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3162
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3163
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3164
+    },
+    {
+        "image":"87a0c451-DJI_0308_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3165
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and roewe erx5 \/nStep 2, query the prices of two vehicles: 190000 and 50000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3166
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":3.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and roewe erx5 \/nStep 2, query the prices of two vehicles: 190000 and 50000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/50000=3.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3167
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 3.8 times the price of the vehicle in the blue box, and the total price of the two vehicles is 240000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.8)X=240000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 50000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1505.2 and 1150.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 190000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3168
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'ford taurus': 105000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":140000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and roewe erx5 \/nStep 2, query the prices of two vehicles: 190000 and 50000 \/nStep 3, calculate the price difference of two vehicles: 190000-50000=140000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3169
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2712.5, 1505.2] and [2589.3, 1150.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [10.3, 5.5, 40.0] and [8.5, 0.4, 40.0] \/nStep 4, calculate distance in camera coordinate system: 5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3170
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3171
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3172
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3173
+    },
+    {
+        "image":"f33af477-DJI_0330_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3174
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd tang and volkswagen magotan \/nStep 2, query the prices of two vehicles: 225000 and 190000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3175
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":1.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd tang and volkswagen magotan \/nStep 2, query the prices of two vehicles: 225000 and 190000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/190000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3176
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 1.184 times the price of the vehicle in the blue box, and the total price of the two vehicles is 415000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 200000. B) 195000. C) 220000. D) 190000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.184)X=415000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 190000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1297.6 and 1803.8 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 190000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3177
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'buick velite 5': 50000, 'byd tang': 225000, 'byd song plus': 155000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":35000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd tang and volkswagen magotan \/nStep 2, query the prices of two vehicles: 225000 and 190000 \/nStep 3, calculate the price difference of two vehicles: 225000-190000=35000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3178
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2608.8, 1297.6] and [2818.2, 1803.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [8.8, 2.5, 40.0] and [11.8, 9.8, 40.0] \/nStep 4, calculate distance in camera coordinate system: 7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3179
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3180
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3181
+    },
+    {
+        "image":"a15c498a-DJI_0331_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3182
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and bmw 1 series \/nStep 2, query the prices of two vehicles: 190000 and 115000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3183
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and bmw 1 series \/nStep 2, query the prices of two vehicles: 190000 and 115000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/115000=1.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3184
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 1.652 times the price of the vehicle in the blue box, and the total price of the two vehicles is 305000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.652)X=305000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 115000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 362.3 and 499.7 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 115000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3185
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":75000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and bmw 1 series \/nStep 2, query the prices of two vehicles: 190000 and 115000 \/nStep 3, calculate the price difference of two vehicles: 190000-115000=75000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3186
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2086.3, 362.3] and [1530.7, 499.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [1.2, -11.0, 40.0] and [-6.8, -9.0, 40.0] \/nStep 4, calculate distance in camera coordinate system: 8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3187
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3188
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3189
+    },
+    {
+        "image":"1cd4e67b-DJI_0332_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 3. C) 2. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3190
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3191
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/115000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3192
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the blue box is 2.0 times the price of the vehicle in the red box, and the total price of the two vehicles is 345000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 230000. B) 270000. C) 260000. D) 250000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.0)X=345000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 230000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 736.8 and 1304.2 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3193
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen magotan': 190000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'byd tang': 225000, 'volvo s60': 230000, 'byd song plus': 155000, 'honda accord': 130000, 'volkswagen touareg': 225000, 'bmw 1 series': 115000, 'volkswagen lavida': 75000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and audi a4l \/nStep 2, query the prices of two vehicles: 115000 and 230000 \/nStep 3, calculate the price difference of two vehicles: 230000-115000=115000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3194
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 22. B) 17. C) 27. D) 12.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1800.0, 736.8] and [2016.9, 1304.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.8, -11.2, 80.0] and [0.5, 5.2, 80.0] \/nStep 4, calculate distance in camera coordinate system: 17",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3195
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 3. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3196
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3197
+    },
+    {
+        "image":"ab6a5ebd-DJI_0333_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3198
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz eqc and byd tang \/nStep 2, query the prices of two vehicles: 185000 and 225000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3199
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 4.2. B) 2.1. C) 1.2. D) 10.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz eqc and byd tang \/nStep 2, query the prices of two vehicles: 185000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/185000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3200
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 1.216 times the price of the vehicle in the red box, and the total price of the two vehicles is 410000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":185000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.216)X=410000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1915.0 and 1454.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 185000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3201
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'roewe erx5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'buick regal': 165000, 'ford taurus': 105000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 80000. B) 20000. C) 120000. D) 40000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz eqc and byd tang \/nStep 2, query the prices of two vehicles: 185000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 225000-185000=40000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3202
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 21. B) 16. C) 26. D) 36.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2378.1, 1915.0] and [2203.2, 1454.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [16.4, 34.2, 120.0] and [8.8, 14.3, 120.0] \/nStep 4, calculate distance in camera coordinate system: 21",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3203
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3204
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3205
+    },
+    {
+        "image":"c8577e8f-DJI_0336_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3206
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and byd tang \/nStep 2, query the prices of two vehicles: 105000 and 225000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3207
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"A) 4.2. B) 1.5. C) 8.6. D) 2.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and byd tang \/nStep 2, query the prices of two vehicles: 105000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/105000=2.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3208
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 2.143 times the price of the vehicle in the red box, and the total price of the two vehicles is 330000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":225000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.143)X=330000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 859.4 and 971.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 225000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3209
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'byd song plus': 155000, 'roewe erx5': 50000, 'mazda 6': 40000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'audi a4l': 230000, 'volkswagen lavida': 75000, 'honda accord': 130000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'ford taurus': 105000, 'baojun e100': 25000, 'bmw 1 series': 115000}",
+        "choices":"A) 360000. B) 120000. C) 60000. D) 240000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and byd tang \/nStep 2, query the prices of two vehicles: 105000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 225000-105000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3210
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 10. B) 15. C) 5. D) 20.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2122.8, 859.4] and [2160.7, 971.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.3, -11.5, 120.0] and [6.9, -6.6, 120.0] \/nStep 4, calculate distance in camera coordinate system: 5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3211
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 2. D) 3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3212
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3213
+    },
+    {
+        "image":"b29e8ce4-DJI_0337_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 4. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3214
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and buick envision \/nStep 2, query the prices of two vehicles: 230000 and 205000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3215
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and buick envision \/nStep 2, query the prices of two vehicles: 230000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/205000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3216
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 1.122 times the price of the vehicle in the blue box, and the total price of the two vehicles is 435000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 260000. B) 235000. C) 270000. D) 230000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.122)X=435000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1419.8 and 525.2 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3217
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'buick velite 5': 50000, 'volvo s60': 230000, 'volkswagen magotan': 190000, 'volkswagen touareg': 225000, 'mercedes-benz eqc': 185000, 'toyota camry': 190000, 'mazda 6': 40000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'buick regal': 165000, 'ford taurus': 105000, 'audi a4l': 230000, 'bmw 1 series': 115000}",
+        "choices":"A) 12500. B) 25000. C) 75000. D) 50000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and buick envision \/nStep 2, query the prices of two vehicles: 230000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 230000-205000=25000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3218
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":39,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2315.1, 1419.8] and [2178.7, 525.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [13.6, 12.7, 120.0] and [7.7, -25.9, 120.0] \/nStep 4, calculate distance in camera coordinate system: 39",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3219
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3220
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3221
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3222
+    },
+    {
+        "image":"2e65b04a-DJI_0338_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 2. C) 0. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3223
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and volkswagen lavida \/nStep 2, query the prices of two vehicles: 50000 and 75000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3224
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and volkswagen lavida \/nStep 2, query the prices of two vehicles: 50000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 75000\/50000=1.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3225
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the blue box is 1.5 times the price of the vehicle in the red box, and the total price of the two vehicles is 125000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.5)X=125000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1957.6 and 757.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 50000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3226
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'roewe erx5': 50000, 'byd tang': 225000, 'volkswagen touareg': 225000, 'volkswagen magotan': 190000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen tiguan l': 155000, 'honda accord': 130000, 'ford taurus': 105000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'toyota camry': 190000, 'audi a4l': 230000, 'buick regal': 165000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and volkswagen lavida \/nStep 2, query the prices of two vehicles: 50000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 75000-50000=25000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3227
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 64. B) 59. C) 49. D) 54.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1720.8, 1957.6] and [1548.8, 757.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-9.9, 29.5, 98.4] and [-20.3, -16.6, 125.0] \/nStep 4, calculate distance in camera coordinate system: 54",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3228
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3229
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3230
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3231
+    },
+    {
+        "image":"b2b7dcfc-DJI_0342_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 5. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3232
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'roewe erx5': 50000, 'byd tang': 225000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and mazda 6 \/nStep 2, query the prices of two vehicles: 190000 and 40000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3233
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'roewe erx5': 50000, 'byd tang': 225000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 4.8. B) 10.3. C) 1.3. D) 8.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and mazda 6 \/nStep 2, query the prices of two vehicles: 190000 and 40000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/40000=4.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3234
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 4.75 times the price of the vehicle in the blue box, and the total price of the two vehicles is 230000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.75)X=230000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 40000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1180.6 and 1679.7 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 40000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3235
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'roewe erx5': 50000, 'byd tang': 225000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and mazda 6 \/nStep 2, query the prices of two vehicles: 190000 and 40000 \/nStep 3, calculate the price difference of two vehicles: 190000-40000=150000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3236
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 18. B) 23. C) 13. D) 28.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1702.4, 1180.6] and [1869.2, 1679.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.3, 1.4, 68.5] and [-2.9, 12.4, 62.1] \/nStep 4, calculate distance in camera coordinate system: 13",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3237
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3238
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3239
+    },
+    {
+        "image":"8aff3add-DJI_0345_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 4. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3240
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda accord and audi a4l \/nStep 2, query the prices of two vehicles: 130000 and 230000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3241
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda accord and audi a4l \/nStep 2, query the prices of two vehicles: 130000 and 230000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/130000=1.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3242
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 1.769 times the price of the vehicle in the red box, and the total price of the two vehicles is 360000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.769)X=360000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 230000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 709.3 and 989.7 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3243
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'honda accord': 130000, 'audi a4l': 230000}",
+        "choices":"",
+        "answer":100000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda accord and audi a4l \/nStep 2, query the prices of two vehicles: 130000 and 230000 \/nStep 3, calculate the price difference of two vehicles: 230000-130000=100000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3244
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1378.6, 709.3] and [1473.4, 989.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.7, -3.8, 25.3] and [-4.5, -1.2, 23.8] \/nStep 4, calculate distance in camera coordinate system: 3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3245
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3246
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3247
+    },
+    {
+        "image":"7c4ebc6b-DJI_0356_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 5. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3248
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and mercedes-benz eqc \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3249
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and mercedes-benz eqc \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, calculate the price ratio of two vehicles: 185000\/115000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3250
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 1.609 times the price of the vehicle in the red box, and the total price of the two vehicles is 300000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":185000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.609)X=300000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 185000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 657.9 and 1185.0 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 185000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3251
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz eqc': 185000, 'volvo s60': 230000, 'bmw 1 series': 115000, 'byd tang': 225000, 'volkswagen magotan': 190000}",
+        "choices":"A) 35000. B) 70000. C) 140000. D) 210000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 1 series and mercedes-benz eqc \/nStep 2, query the prices of two vehicles: 115000 and 185000 \/nStep 3, calculate the price difference of two vehicles: 185000-115000=70000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3252
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 19. B) 4. C) 9. D) 14.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1718.7, 657.9] and [801.9, 1185.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-2.6, -4.3, 25.6] and [-9.8, 0.5, 22.8] \/nStep 4, calculate distance in camera coordinate system: 9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3253
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 4. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3254
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3255
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3256
+    },
+    {
+        "image":"d66e390e-DJI_0357_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 0. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3257
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and volkswagen tiguan l \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3258
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"",
+        "answer":1.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and volkswagen tiguan l \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/155000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3259
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 1.226 times the price of the vehicle in the blue box, and the total price of the two vehicles is 345000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 155000. B) 185000. C) 175000. D) 195000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.226)X=345000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 155000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 794.4 and 1055.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 155000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3260
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'toyota camry': 190000}",
+        "choices":"",
+        "answer":35000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota camry and volkswagen tiguan l \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, calculate the price difference of two vehicles: 190000-155000=35000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3261
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 8. B) 18. C) 13. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [826.7, 794.4] and [909.6, 1055.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-10.5, -3.0, 24.8] and [-9.2, -0.6, 23.4] \/nStep 4, calculate distance in camera coordinate system: 3",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3262
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3263
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3264
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3265
+    },
+    {
+        "image":"a1b4055f-DJI_0359_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3266
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and byd tang \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3267
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000}",
+        "choices":"A) 10.3. B) 1.0. C) 1.5. D) 8.6.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and byd tang \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/225000=1.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3268
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 1.022 times the price of the vehicle in the blue box, and the total price of the two vehicles is 455000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":225000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.022)X=455000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 278.7 and 1290.2 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 225000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3269
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mazda 6': 40000, 'bmw 1 series': 115000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'volkswagen lavida': 75000, 'volkswagen magotan': 190000, 'honda accord': 130000, 'audi a4l': 230000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":5000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi a4l and byd tang \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 230000-225000=5000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3270
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":30,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1450.0, 278.7] and [1486.9, 1290.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-12.1, -18.6, 61.0] and [-7.4, 2.4, 40.0] \/nStep 4, calculate distance in camera coordinate system: 30",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3271
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3272
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3273
+    },
+    {
+        "image":"2db8d02d-DJI_0361_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 5. C) 0. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3274
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and baojun e100 \/nStep 2, query the prices of two vehicles: 115000 and 25000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3275
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":4.6,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and baojun e100 \/nStep 2, query the prices of two vehicles: 115000 and 25000 \/nStep 3, calculate the price ratio of two vehicles: 115000\/25000=4.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3276
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 4.6 times the price of the vehicle in the blue box, and the total price of the two vehicles is 140000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.6)X=140000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 25000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1132.7 and 310.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 115000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3277
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":90000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and baojun e100 \/nStep 2, query the prices of two vehicles: 115000 and 25000 \/nStep 3, calculate the price difference of two vehicles: 115000-25000=90000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3278
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 33. B) 48. C) 38. D) 53.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2794.5, 1132.7] and [1186.3, 310.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [12.1, 0.1, 42.3] and [-17.6, -17.6, 60.1] \/nStep 4, calculate distance in camera coordinate system: 38",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3279
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 7 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 4. C) 2. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+2=7 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 7-2=5 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 7-5=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3280
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 2.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3281
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 2.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3282
+    },
+    {
+        "image":"378c477a-DJI_0362_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3283
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and buick regal \/nStep 2, query the prices of two vehicles: 205000 and 165000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3284
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":1.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and buick regal \/nStep 2, query the prices of two vehicles: 205000 and 165000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/165000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3285
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 1.242 times the price of the vehicle in the blue box, and the total price of the two vehicles is 370000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 210000. B) 245000. C) 235000. D) 205000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.242)X=370000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 165000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1288.9 and 1183.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3286
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'buick envision': 205000, 'byd tang': 225000, 'byd song plus': 155000, 'mazda 6': 40000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'bmw 1 series': 115000, 'baojun e100': 25000}",
+        "choices":"A) 20000. B) 80000. C) 120000. D) 40000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick envision and buick regal \/nStep 2, query the prices of two vehicles: 205000 and 165000 \/nStep 3, calculate the price difference of two vehicles: 205000-165000=40000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3287
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 20. B) 5. C) 0. D) 10.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1783.9, 1288.9] and [1722.3, 1183.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.3, 5.5, 93.5] and [-9.7, 2.1, 96.9] \/nStep 4, calculate distance in camera coordinate system: 5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3288
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 0. C) 2. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3289
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3290
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3291
+    },
+    {
+        "image":"584aefae-DJI_0368_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3292
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and buick envision \/nStep 2, query the prices of two vehicles: 115000 and 205000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3293
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000}",
+        "choices":"A) 1.8. B) 1.3. C) 10.3. D) 4.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and buick envision \/nStep 2, query the prices of two vehicles: 115000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/115000=1.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3294
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 1.783 times the price of the vehicle in the red box, and the total price of the two vehicles is 320000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.783)X=320000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 882.5 and 1371.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3295
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'volkswagen magotan': 190000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'buick envision': 205000, 'buick velite 5': 50000, 'mercedes-benz eqc': 185000, 'buick regal': 165000, 'volkswagen touareg': 225000, 'volvo s60': 230000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'toyota camry': 190000, 'byd dolphin': 115000}",
+        "choices":"A) 90000. B) 180000. C) 45000. D) 270000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd dolphin and buick envision \/nStep 2, query the prices of two vehicles: 115000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 205000-115000=90000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3296
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 48. B) 53. C) 43. D) 38.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [636.4, 882.5] and [1459.0, 1371.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-53.3, -9.5, 108.5] and [-17.7, 8.1, 90.9] \/nStep 4, calculate distance in camera coordinate system: 43",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3297
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 3. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3298
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3299
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3300
+    },
+    {
+        "image":"2399f542-DJI_0369_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 5. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3301
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and bmw 1 series \/nStep 2, query the prices of two vehicles: 230000 and 115000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3302
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and bmw 1 series \/nStep 2, query the prices of two vehicles: 230000 and 115000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/115000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3303
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the red box is 2.0 times the price of the vehicle in the blue box, and the total price of the two vehicles is 345000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.0)X=345000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 115000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1781.0 and 1721.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3304
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'volkswagen touareg': 225000, 'byd tang': 225000, 'volkswagen magotan': 190000, 'mercedes-benz eqc': 185000, 'mazda 6': 40000, 'roewe erx5': 50000, 'buick envision': 205000, 'byd song plus': 155000, 'audi a4l': 230000, 'toyota camry': 190000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'byd dolphin': 115000, 'volvo s60': 230000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":115000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and bmw 1 series \/nStep 2, query the prices of two vehicles: 230000 and 115000 \/nStep 3, calculate the price difference of two vehicles: 230000-115000=115000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3305
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 9. B) 4. C) 19. D) 24.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2049.8, 1781.0] and [1862.5, 1721.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [2.3, 29.7, 125.8] and [-6.3, 27.5, 128.0] \/nStep 4, calculate distance in camera coordinate system: 9",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3306
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 0. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3307
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3308
+    },
+    {
+        "image":"b2e91eea-DJI_0371_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 5. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3309
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and volkswagen magotan \/nStep 2, query the prices of two vehicles: 105000 and 190000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3310
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and volkswagen magotan \/nStep 2, query the prices of two vehicles: 105000 and 190000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/105000=1.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3311
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 1.81 times the price of the vehicle in the red box, and the total price of the two vehicles is 295000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 190000. B) 200000. C) 220000. D) 230000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.81)X=295000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 190000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1251.2 and 1745.9 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 190000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3312
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'volkswagen magotan': 190000, 'roewe erx5': 50000, 'audi a4l': 230000, 'mercedes-benz eqc': 185000, 'buick velite 5': 50000, 'volkswagen touareg': 225000, 'buick envision': 205000, 'mazda 6': 40000, 'toyota camry': 190000, 'byd song plus': 155000, 'ford taurus': 105000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'bmw 1 series': 115000, 'honda accord': 130000, 'volkswagen lavida': 75000, 'volvo s60': 230000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":85000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford taurus and volkswagen magotan \/nStep 2, query the prices of two vehicles: 105000 and 190000 \/nStep 3, calculate the price difference of two vehicles: 190000-105000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3313
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":31,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2458.4, 1251.2] and [2423.3, 1745.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [24.6, 6.8, 148.8] and [19.4, 28.4, 127.1] \/nStep 4, calculate distance in camera coordinate system: 31",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3314
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3315
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3316
+    },
+    {
+        "image":"71c8533d-DJI_0373_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3317
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3318
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":1.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 230000\/225000=1.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3319
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the red box is 1.022 times the price of the vehicle in the blue box, and the total price of the two vehicles is 455000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.022)X=455000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2160.8 and 1854.7 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 230000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3320
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick envision': 205000, 'mazda 6': 40000, 'byd tang': 225000, 'mercedes-benz eqc': 185000, 'volkswagen magotan': 190000, 'buick velite 5': 50000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'toyota camry': 190000, 'buick regal': 165000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000, 'volvo s60': 230000}",
+        "choices":"",
+        "answer":5000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s60 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 230000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 230000-225000=5000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3321
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":16,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1856.3, 2160.8] and [1681.4, 1854.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.9, 42.3, 113.3] and [-14.1, 32.4, 123.2] \/nStep 4, calculate distance in camera coordinate system: 16",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3322
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 1. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-10=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3323
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 7.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3324
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 7.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3325
+    },
+    {
+        "image":"7b768c3c-DJI_0374_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 1. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3326
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: baojun e100 and buick regal \/nStep 2, query the prices of two vehicles: 25000 and 165000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3327
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"A) 6.6. B) 8.6. C) 2.1. D) 1.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: baojun e100 and buick regal \/nStep 2, query the prices of two vehicles: 25000 and 165000 \/nStep 3, calculate the price ratio of two vehicles: 165000\/25000=6.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3328
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 6.6 times the price of the vehicle in the red box, and the total price of the two vehicles is 190000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":165000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 6.6)X=190000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 165000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1082.8 and 1794.9 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 165000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3329
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 5': 50000, 'buick envision': 205000, 'byd tang': 225000, 'mazda 6': 40000, 'byd song plus': 155000, 'volkswagen touareg': 225000, 'roewe erx5': 50000, 'toyota camry': 190000, 'buick regal': 165000, 'volkswagen tiguan l': 155000, 'ford taurus': 105000, 'byd dolphin': 115000, 'baojun e100': 25000}",
+        "choices":"",
+        "answer":140000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: baojun e100 and buick regal \/nStep 2, query the prices of two vehicles: 25000 and 165000 \/nStep 3, calculate the price difference of two vehicles: 165000-25000=140000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3330
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 62. B) 52. C) 67. D) 57.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1669.4, 1082.8] and [2349.3, 1794.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-18.8, -2.4, 158.0] and [15.8, 30.3, 125.3] \/nStep 4, calculate distance in camera coordinate system: 57",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3331
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 6 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 2+5=7 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 7-2=5 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 6-5=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3332
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 3.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3333
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 2.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3334
+    },
+    {
+        "image":"e6f6bfa6-DJI_0375_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 0. B) 1. C) 3. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3335
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 5 series and byd song plus \/nStep 2, query the prices of two vehicles: 425000 and 170000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3336
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"A) 1.5. B) 2.1. C) 2.5. D) 8.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 5 series and byd song plus \/nStep 2, query the prices of two vehicles: 425000 and 170000 \/nStep 3, calculate the price ratio of two vehicles: 425000\/170000=2.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3337
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 2.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 595000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.5)X=595000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 170000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 827.7 and 1335.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 170000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3338
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'bmw 4 series': 455000, 'audi a3': 150000, 'byd song plus': 170000, 'aion s': 145000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000}",
+        "choices":"",
+        "answer":255000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw 5 series and byd song plus \/nStep 2, query the prices of two vehicles: 425000 and 170000 \/nStep 3, calculate the price difference of two vehicles: 425000-170000=255000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3339
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 22. B) 7. C) 12. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1636.8, 827.7] and [1848.1, 1335.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.2, -4.3, 40.0] and [-2.2, 3.0, 40.0] \/nStep 4, calculate distance in camera coordinate system: 7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3340
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3341
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3342
+    },
+    {
+        "image":"1194c312-DJI_0378_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3343
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd f0 and tesla model y \/nStep 2, query the prices of two vehicles: 20000 and 305000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3344
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"",
+        "answer":15.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd f0 and tesla model y \/nStep 2, query the prices of two vehicles: 20000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/20000=15.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3345
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 15.25 times the price of the vehicle in the red box, and the total price of the two vehicles is 325000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":20000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 15.25)X=325000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1344.0 and 324.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 20000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3346
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'tesla model y': 305000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'byd song plus': 170000}",
+        "choices":"A) 855000. B) 570000. C) 285000. D) 142500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd f0 and tesla model y \/nStep 2, query the prices of two vehicles: 20000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 305000-20000=285000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3347
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":38,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1224.0, 1344.0] and [3707.2, 324.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-11.2, 3.2, 40.0] and [24.6, -11.5, 40.0] \/nStep 4, calculate distance in camera coordinate system: 38",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3348
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 1. C) 2. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3349
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3350
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3351
+    },
+    {
+        "image":"d8f5bef9-DJI_0379_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3352
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and honda civic \/nStep 2, query the prices of two vehicles: 290000 and 115000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3353
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"A) 2.5. B) 10.3. C) 8.6. D) 2.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and honda civic \/nStep 2, query the prices of two vehicles: 290000 and 115000 \/nStep 3, calculate the price ratio of two vehicles: 290000\/115000=2.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3354
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 2.522 times the price of the vehicle in the blue box, and the total price of the two vehicles is 405000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":290000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.522)X=405000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 115000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1360.2 and 831.6 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 290000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3355
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'aion s': 145000, 'audi a3': 150000, 'honda civic': 115000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'volvo xc60': 290000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'honda inspire': 145000, 'byd song plus': 170000, 'volkswagen lavida': 50000, 'bmw x5': 675000, 'bmw 5 series': 425000, 'chery tiggo 8': 125000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":175000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and honda civic \/nStep 2, query the prices of two vehicles: 290000 and 115000 \/nStep 3, calculate the price difference of two vehicles: 290000-115000=175000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3356
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 20. B) 10. C) 30. D) 15.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1281.7, 1360.2] and [1133.3, 831.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-20.7, 6.8, 80.0] and [-25.0, -8.5, 80.0] \/nStep 4, calculate distance in camera coordinate system: 15",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3357
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3358
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3359
+    },
+    {
+        "image":"dd3c065e-DJI_0381_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3360
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volkswagen golf \/nStep 2, query the prices of two vehicles: 115000 and 175000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3361
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volkswagen golf \/nStep 2, query the prices of two vehicles: 115000 and 175000 \/nStep 3, calculate the price ratio of two vehicles: 175000\/115000=1.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3362
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 1.522 times the price of the vehicle in the red box, and the total price of the two vehicles is 290000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 215000. B) 175000. C) 180000. D) 205000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.522)X=290000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 175000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 566.1 and 1892.7 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 175000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3363
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'audi a3': 150000, 'mercedes-benz c-class': 220000, 'volkswagen lavida': 50000, 'aion s': 145000, 'byd song plus': 170000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'bmw 5 series': 425000, 'volvo s90': 325000, 'bmw x5': 675000, 'skoda karoq': 155000, 'volkswagen golf': 175000, 'changan uni-v': 115000, 'harvard h6': 100000, 'byd f0': 20000, 'mercedes-benz b-class': 175000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":60000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volkswagen golf \/nStep 2, query the prices of two vehicles: 115000 and 175000 \/nStep 3, calculate the price difference of two vehicles: 175000-115000=60000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3364
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 87. B) 67. C) 72. D) 77.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [735.7, 566.1] and [1746.4, 1892.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-54.7, -24.2, 120.0] and [-11.0, 33.2, 120.0] \/nStep 4, calculate distance in camera coordinate system: 72",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3365
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 0. C) 2. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3366
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3367
+    },
+    {
+        "image":"3aa8555d-DJI_0382_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3368
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo s90 \/nStep 2, query the prices of two vehicles: 220000 and 325000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3369
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo s90 \/nStep 2, query the prices of two vehicles: 220000 and 325000 \/nStep 3, calculate the price ratio of two vehicles: 325000\/220000=1.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3370
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the blue box is 1.477 times the price of the vehicle in the red box, and the total price of the two vehicles is 545000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":220000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.477)X=545000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 325000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1884.1 and 854.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3371
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'honda civic': 115000, 'byd song plus': 170000, 'aion s': 145000, 'bmw 4 series': 455000, 'volvo xc60': 290000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'mercedes-benz c-class': 220000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo s90': 325000, 'bmw x5': 675000}",
+        "choices":"",
+        "answer":105000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo s90 \/nStep 2, query the prices of two vehicles: 220000 and 325000 \/nStep 3, calculate the price difference of two vehicles: 325000-220000=105000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3372
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":47,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [663.0, 1884.1] and [551.5, 854.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-48.1, 27.3, 99.7] and [-63.9, -11.9, 122.4] \/nStep 4, calculate distance in camera coordinate system: 47",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3373
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 4. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3374
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3375
+    },
+    {
+        "image":"ca210396-DJI_0383_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 5. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3376
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and volkswagen golf \/nStep 2, query the prices of two vehicles: 675000 and 175000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3377
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"",
+        "answer":3.9,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and volkswagen golf \/nStep 2, query the prices of two vehicles: 675000 and 175000 \/nStep 3, calculate the price ratio of two vehicles: 675000\/175000=3.9",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3378
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 3.857 times the price of the vehicle in the blue box, and the total price of the two vehicles is 850000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":175000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.857)X=850000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 175000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 647.3 and 1837.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 175000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3379
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'bmw 4 series': 455000, 'audi a3': 150000, 'aion s': 145000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'honda civic': 115000, 'byd song plus': 170000, 'bmw 5 series': 425000, 'volkswagen lavida': 50000, 'changan uni-v': 115000, 'honda inspire': 145000, 'buick regal': 165000, 'volkswagen sagitar': 115000, 'chery tiggo 8': 125000, 'tesla model y': 305000, 'skoda karoq': 155000, 'volvo s90': 325000, 'bmw x5': 675000, 'harvard h6': 100000, 'volkswagen golf': 175000, 'mercedes-benz b-class': 175000, 'byd f0': 20000}",
+        "choices":"",
+        "answer":500000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and volkswagen golf \/nStep 2, query the prices of two vehicles: 675000 and 175000 \/nStep 3, calculate the price difference of two vehicles: 675000-175000=500000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3380
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 71. B) 66. C) 81. D) 86.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [677.5, 647.3] and [1571.7, 1837.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-61.1, -22.1, 128.2] and [-15.5, 25.8, 100.6] \/nStep 4, calculate distance in camera coordinate system: 71",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3381
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 0. C) 4. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3382
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3383
+    },
+    {
+        "image":"0a1b4809-DJI_0384_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3384
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and buick regal \/nStep 2, query the prices of two vehicles: 675000 and 165000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3385
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"A) 4.2. B) 4.1. C) 1.5. D) 10.3.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and buick regal \/nStep 2, query the prices of two vehicles: 675000 and 165000 \/nStep 3, calculate the price ratio of two vehicles: 675000\/165000=4.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3386
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 4.091 times the price of the vehicle in the blue box, and the total price of the two vehicles is 840000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":165000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.091)X=840000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 165000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 585.0 and 1077.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 165000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3387
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'bmw 4 series': 455000, 'volkswagen sagitar': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volvo xc60': 290000, 'honda civic': 115000, 'volkswagen lavida': 50000, 'honda inspire': 145000, 'aion s': 145000, 'byd song plus': 170000, 'mercedes-benz c-class': 220000, 'bmw 5 series': 425000, 'bmw x5': 675000, 'volvo s90': 325000}",
+        "choices":"A) 255000. B) 1020000. C) 1530000. D) 510000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: bmw x5 and buick regal \/nStep 2, query the prices of two vehicles: 675000 and 165000 \/nStep 3, calculate the price difference of two vehicles: 675000-165000=510000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3388
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 32. B) 27. C) 22. D) 17.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1165.3, 585.0] and [1316.1, 1077.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-23.5, -15.2, 78.1] and [-17.2, -1.2, 70.0] \/nStep 4, calculate distance in camera coordinate system: 17",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3389
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3390
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3391
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3392
+    },
+    {
+        "image":"5c1eef77-DJI_0386_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 5. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3393
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz b-class and tesla model y \/nStep 2, query the prices of two vehicles: 175000 and 305000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3394
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"A) 1.7. B) 1.3. C) 10.3. D) 4.2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz b-class and tesla model y \/nStep 2, query the prices of two vehicles: 175000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/175000=1.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3395
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 1.743 times the price of the vehicle in the red box, and the total price of the two vehicles is 480000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.743)X=480000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 342.7 and 377.5 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3396
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'volkswagen golf': 175000, 'tesla model y': 305000, 'byd song plus': 170000, 'changan uni-v': 115000}",
+        "choices":"A) 130000. B) 260000. C) 65000. D) 390000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz b-class and tesla model y \/nStep 2, query the prices of two vehicles: 175000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 305000-175000=130000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3397
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":15,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1974.9, 342.7] and [3503.9, 377.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-0.2, -7.8, 27.6] and [14.8, -7.4, 27.3] \/nStep 4, calculate distance in camera coordinate system: 15",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3398
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 0. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3399
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3400
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3401
+    },
+    {
+        "image":"f01ce3bd-DJI_0387_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3402
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda civic and honda inspire \/nStep 2, query the prices of two vehicles: 115000 and 145000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3403
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"A) 1.5. B) 4.2. C) 1.3. D) 2.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda civic and honda inspire \/nStep 2, query the prices of two vehicles: 115000 and 145000 \/nStep 3, calculate the price ratio of two vehicles: 145000\/115000=1.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3404
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 1.261 times the price of the vehicle in the red box, and the total price of the two vehicles is 260000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":145000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.261)X=260000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 145000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 998.6 and 1263.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 145000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3405
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'honda civic': 115000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'honda inspire': 145000}",
+        "choices":"",
+        "answer":30000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: honda civic and honda inspire \/nStep 2, query the prices of two vehicles: 115000 and 145000 \/nStep 3, calculate the price difference of two vehicles: 145000-115000=30000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3406
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1408.2, 998.6] and [1481.3, 1263.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.1, -1.1, 23.7] and [-4.2, 1.1, 22.4] \/nStep 4, calculate distance in camera coordinate system: 2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3407
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 3. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3408
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3409
+    },
+    {
+        "image":"092c7fc2-DJI_0390_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3410
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volvo s90 \/nStep 2, query the prices of two vehicles: 115000 and 325000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3411
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 2.8. B) 10.3. C) 1.3. D) 8.6.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volvo s90 \/nStep 2, query the prices of two vehicles: 115000 and 325000 \/nStep 3, calculate the price ratio of two vehicles: 325000\/115000=2.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3412
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 2.826 times the price of the vehicle in the red box, and the total price of the two vehicles is 440000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 120000. B) 115000. C) 145000. D) 155000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.826)X=440000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 325000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1879.2 and 910.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 115000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3413
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'volvo s90': 325000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 105000. B) 420000. C) 630000. D) 210000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen sagitar and volvo s90 \/nStep 2, query the prices of two vehicles: 115000 and 325000 \/nStep 3, calculate the price difference of two vehicles: 325000-115000=210000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3414
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":8,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1784.8, 1879.2] and [1558.7, 910.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-1.5, 5.4, 20.0] and [-3.8, -1.9, 24.2] \/nStep 4, calculate distance in camera coordinate system: 8",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3415
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 0. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3416
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3417
+    },
+    {
+        "image":"3edb540c-DJI_0391_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3418
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s90 and honda inspire \/nStep 2, query the prices of two vehicles: 325000 and 145000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3419
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":2.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s90 and honda inspire \/nStep 2, query the prices of two vehicles: 325000 and 145000 \/nStep 3, calculate the price ratio of two vehicles: 325000\/145000=2.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3420
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 2.241 times the price of the vehicle in the blue box, and the total price of the two vehicles is 470000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":145000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.241)X=470000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 145000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 775.0 and 1707.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 145000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3421
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'honda civic': 115000, 'volkswagen sagitar': 115000, 'bmw x5': 675000, 'volvo xc60': 290000, 'honda inspire': 145000, 'volvo s90': 325000}",
+        "choices":"A) 360000. B) 90000. C) 540000. D) 180000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo s90 and honda inspire \/nStep 2, query the prices of two vehicles: 325000 and 145000 \/nStep 3, calculate the price difference of two vehicles: 325000-145000=180000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3422
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":19,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1588.4, 775.0] and [1832.0, 1707.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.2, -6.1, 48.6] and [-2.1, 7.4, 35.1] \/nStep 4, calculate distance in camera coordinate system: 19",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3423
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3424
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3425
+    },
+    {
+        "image":"a32e3a83-DJI_0392_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3426
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo xc60 \/nStep 2, query the prices of two vehicles: 220000 and 290000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3427
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":1.3,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo xc60 \/nStep 2, query the prices of two vehicles: 220000 and 290000 \/nStep 3, calculate the price ratio of two vehicles: 290000\/220000=1.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3428
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 1.318 times the price of the vehicle in the red box, and the total price of the two vehicles is 510000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 220000. B) 240000. C) 250000. D) 260000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.318)X=510000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 290000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1826.4 and 1282.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3429
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'audi a3': 150000, 'bmw 4 series': 455000, 'bmw 5 series': 425000, 'honda inspire': 145000, 'honda civic': 115000, 'byd song plus': 170000, 'changan uni-v': 115000, 'buick regal': 165000, 'chery tiggo 8': 125000, 'volkswagen lavida': 50000, 'tesla model y': 305000, 'aion s': 145000, 'volkswagen golf': 175000, 'volvo xc60': 290000, 'skoda karoq': 155000, 'harvard h6': 100000, 'mercedes-benz b-class': 175000, 'bmw x5': 675000, 'volkswagen sagitar': 115000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":70000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and volvo xc60 \/nStep 2, query the prices of two vehicles: 220000 and 290000 \/nStep 3, calculate the price difference of two vehicles: 290000-220000=70000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3430
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 57. B) 42. C) 37. D) 52.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1109.9, 1826.4] and [724.0, 1282.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-39.8, 31.4, 124.2] and [-67.7, 8.4, 147.2] \/nStep 4, calculate distance in camera coordinate system: 42",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3431
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3432
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3433
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3434
+    },
+    {
+        "image":"c4b8d38b-DJI_0396_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3435
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: aion s and byd song plus \/nStep 2, query the prices of two vehicles: 145000 and 170000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3436
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"A) 1.2. B) 4.2. C) 8.6. D) 1.3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: aion s and byd song plus \/nStep 2, query the prices of two vehicles: 145000 and 170000 \/nStep 3, calculate the price ratio of two vehicles: 170000\/145000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3437
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 1.172 times the price of the vehicle in the red box, and the total price of the two vehicles is 315000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.172)X=315000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 170000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2049.0 and 2171.3 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 170000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3438
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 50000, 'volvo xc60': 290000, 'mercedes-benz c-class': 220000, 'audi a3': 150000, 'buick regal': 165000, 'cadillac xts': 105000, 'bmw x5': 675000, 'chery tiggo 8': 125000, 'roewe erx5': 50000, 'tesla model 3': 285000, 'honda civic': 115000, 'mercedes-benz e-class': 390000, 'bmw 5 series': 425000, 'volvo xc40': 225000, 'bmw 4 series': 455000, 'chevrolet malibu xl': 145000, 'aion s': 145000, 'buick lacrosse': 170000, 'byd song plus': 170000, 'honda inspire': 145000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'volvo s90': 325000, 'volkswagen sagitar': 115000, 'wuling hongguang mini': 50000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: aion s and byd song plus \/nStep 2, query the prices of two vehicles: 145000 and 170000 \/nStep 3, calculate the price difference of two vehicles: 170000-145000=25000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3439
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3839.1, 2049.0] and [3838.3, 2171.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [79.5, 40.0, 120.0] and [79.5, 45.3, 120.0] \/nStep 4, calculate distance in camera coordinate system: 5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3440
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 2. C) 0. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3441
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3442
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3443
+    },
+    {
+        "image":"cc582c95-DJI_0400_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 4. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3444
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and geely atlas \/nStep 2, query the prices of two vehicles: 220000 and 100000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3445
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"",
+        "answer":2.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and geely atlas \/nStep 2, query the prices of two vehicles: 220000 and 100000 \/nStep 3, calculate the price ratio of two vehicles: 220000\/100000=2.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3446
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 2.2 times the price of the vehicle in the blue box, and the total price of the two vehicles is 320000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":220000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.2)X=320000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 100000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1116.1 and 623.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3447
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'volkswagen tiguan l': 155000, 'wuling hongguang': 50000, 'mercedes-benz c-class': 220000, 'changan cs55': 45000, 'baojun 730': 35000, 'chevrolet malibu xl': 145000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'cadillac xts': 105000, 'mercedes-benz e-class': 390000, 'byd tang': 225000, 'volvo xc60': 290000, 'nissan x-trail': 175000, 'volvo xc40': 225000, 'wuling hongguang mini': 50000, 'buick lacrosse': 170000, 'buick envision': 205000, 'buick velite 5': 50000, 'volkswagen tiguan': 55000, 'geely atlas': 100000, 'volvo s90': 325000, 'buick excelle': 45000, 'volkswagen sagitar': 115000}",
+        "choices":"A) 60000. B) 360000. C) 240000. D) 120000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz c-class and geely atlas \/nStep 2, query the prices of two vehicles: 220000 and 100000 \/nStep 3, calculate the price difference of two vehicles: 220000-100000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3448
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":74,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2598.9, 1116.1] and [1047.7, 623.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [25.0, -0.4, 115.7] and [-44.3, -23.3, 128.9] \/nStep 4, calculate distance in camera coordinate system: 74",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3449
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3450
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3451
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3452
+    },
+    {
+        "image":"68e53151-DJI_0402_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 5. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3453
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc40 and wuling hongguang mini \/nStep 2, query the prices of two vehicles: 225000 and 50000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3454
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000}",
+        "choices":"A) 8.6. B) 10.3. C) 1.5. D) 4.5.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc40 and wuling hongguang mini \/nStep 2, query the prices of two vehicles: 225000 and 50000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/50000=4.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3455
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 4.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 275000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 50000. B) 90000. C) 80000. D) 60000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.5)X=275000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 50000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 393.8 and 1312.2 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 50000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3456
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mercedes-benz c-class': 220000, 'roewe erx5': 50000, 'mercedes-benz e-class': 390000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'chevrolet malibu xl': 145000, 'buick lacrosse': 170000, 'wuling hongguang mini': 50000, 'byd tang': 225000}",
+        "choices":"A) 175000. B) 525000. C) 87500. D) 350000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc40 and wuling hongguang mini \/nStep 2, query the prices of two vehicles: 225000 and 50000 \/nStep 3, calculate the price difference of two vehicles: 225000-50000=175000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3457
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":30,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2749.3, 393.8] and [2725.8, 1312.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [22.1, -21.5, 81.7] and [17.4, 4.5, 66.7] \/nStep 4, calculate distance in camera coordinate system: 30",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3458
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 4.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+4=9 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 9-2=7 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-7=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3459
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3460
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3461
+    },
+    {
+        "image":"072dc5c6-DJI_0403_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 2. C) 1. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3462
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and buick velite 5 \/nStep 2, query the prices of two vehicles: 170000 and 50000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3463
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"A) 2.1. B) 8.6. C) 3.4. D) 10.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and buick velite 5 \/nStep 2, query the prices of two vehicles: 170000 and 50000 \/nStep 3, calculate the price ratio of two vehicles: 170000\/50000=3.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3464
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the red box is 3.4 times the price of the vehicle in the blue box, and the total price of the two vehicles is 220000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.4)X=220000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 50000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1080.0 and 380.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 170000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3465
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'cadillac xts': 105000, 'volvo xc40': 225000, 'roewe erx5': 50000, 'buick envision': 205000, 'buick velite 5': 50000, 'roewe 550': 20000, 'mercedes-benz c-class': 220000, 'volkswagen tiguan': 55000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'bmw 7 series': 845000, 'wuling hongguang': 50000, 'baojun 730': 35000, 'buick lacrosse': 170000, 'chevrolet malibu xl': 145000, 'buick excelle': 45000}",
+        "choices":"A) 60000. B) 240000. C) 360000. D) 120000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and buick velite 5 \/nStep 2, query the prices of two vehicles: 170000 and 50000 \/nStep 3, calculate the price difference of two vehicles: 170000-50000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3466
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 24. B) 34. C) 29. D) 39.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1501.3, 1080.0] and [1611.1, 380.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-12.6, -1.1, 69.9] and [-11.5, -22.0, 82.0] \/nStep 4, calculate distance in camera coordinate system: 24",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3467
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 3. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3468
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3469
+    },
+    {
+        "image":"4cd5fa9c-DJI_0404_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 1. C) 0. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3470
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and bmw 7 series \/nStep 2, query the prices of two vehicles: 285000 and 845000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3471
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":3.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and bmw 7 series \/nStep 2, query the prices of two vehicles: 285000 and 845000 \/nStep 3, calculate the price ratio of two vehicles: 845000\/285000=3.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3472
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 2.965 times the price of the vehicle in the red box, and the total price of the two vehicles is 1130000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":285000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.965)X=1130000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 845000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1024.6 and 959.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 285000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3473
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc40': 225000, 'tesla model 3': 285000, 'bmw 7 series': 845000, 'mercedes-benz c-class': 220000, 'mercedes-benz e-class': 390000, 'roewe erx5': 50000}",
+        "choices":"A) 1680000. B) 560000. C) 1120000. D) 280000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and bmw 7 series \/nStep 2, query the prices of two vehicles: 285000 and 845000 \/nStep 3, calculate the price difference of two vehicles: 845000-285000=560000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3474
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":5,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1777.2, 1024.6] and [2399.8, 959.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-1.9, -0.9, 23.6] and [3.4, -1.4, 23.9] \/nStep 4, calculate distance in camera coordinate system: 5",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3475
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3476
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3477
+    },
+    {
+        "image":"6930dd55-DJI_0405_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 2. C) 1. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3478
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 5 and buick envision \/nStep 2, query the prices of two vehicles: 50000 and 205000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3479
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 5 and buick envision \/nStep 2, query the prices of two vehicles: 50000 and 205000 \/nStep 3, calculate the price ratio of two vehicles: 205000\/50000=4.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3480
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 4.1 times the price of the vehicle in the red box, and the total price of the two vehicles is 255000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":205000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.1)X=255000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 205000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1100.3 and 1739.1 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 205000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3481
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'buick envision': 205000, 'wuling hongguang': 50000, 'byd tang': 225000}",
+        "choices":"A) 155000. B) 465000. C) 77500. D) 310000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 5 and buick envision \/nStep 2, query the prices of two vehicles: 50000 and 205000 \/nStep 3, calculate the price difference of two vehicles: 205000-50000=155000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3482
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1791.9, 1100.3] and [2176.9, 1739.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-3.2, -0.4, 42.8] and [2.2, 7.7, 34.7] \/nStep 4, calculate distance in camera coordinate system: 12",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3483
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 3. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3484
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3485
+    },
+    {
+        "image":"aa42648a-DJI_0408_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 4. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3486
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and byd tang \/nStep 2, query the prices of two vehicles: 50000 and 225000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3487
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"A) 1.5. B) 4.2. C) 4.5. D) 8.6.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and byd tang \/nStep 2, query the prices of two vehicles: 50000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/50000=4.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3488
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 4.5 times the price of the vehicle in the red box, and the total price of the two vehicles is 275000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.5)X=275000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1534.6 and 517.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 50000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3489
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'tesla model 3': 285000, 'volvo xc40': 225000, 'buick lacrosse': 170000, 'roewe erx5': 50000, 'mercedes-benz c-class': 220000, 'buick velite 5': 50000, 'cadillac xts': 105000, 'bmw 7 series': 845000, 'byd tang': 225000, 'mercedes-benz e-class': 390000, 'wuling hongguang': 50000, 'buick envision': 205000}",
+        "choices":"A) 525000. B) 350000. C) 175000. D) 87500.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: roewe erx5 and byd tang \/nStep 2, query the prices of two vehicles: 50000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 225000-50000=175000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3490
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":24,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1466.8, 1534.6] and [1598.8, 517.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.1, 5.5, 37.0] and [-7.9, -11.9, 54.3] \/nStep 4, calculate distance in camera coordinate system: 24",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3491
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 4. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3492
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3493
+    },
+    {
+        "image":"e4930100-DJI_0409_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 1. D) 5.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3494
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac xts and roewe 550 \/nStep 2, query the prices of two vehicles: 105000 and 20000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3495
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo s90': 325000}",
+        "choices":"",
+        "answer":5.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac xts and roewe 550 \/nStep 2, query the prices of two vehicles: 105000 and 20000 \/nStep 3, calculate the price ratio of two vehicles: 105000\/20000=5.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3496
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 5.25 times the price of the vehicle in the blue box, and the total price of the two vehicles is 125000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":105000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 5.25)X=125000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 20000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1675.2 and 967.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 105000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3497
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'buick velite 5': 50000, 'mercedes-benz c-class': 220000, 'tesla model 3': 285000, 'volkswagen tiguan': 55000, 'mercedes-benz e-class': 390000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'roewe erx5': 50000, 'buick lacrosse': 170000, 'volvo xc40': 225000, 'baojun 730': 35000, 'cadillac xts': 105000, 'wuling hongguang': 50000, 'byd tang': 225000, 'buick envision': 205000, 'volvo s90': 325000}",
+        "choices":"A) 255000. B) 42500. C) 85000. D) 170000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac xts and roewe 550 \/nStep 2, query the prices of two vehicles: 105000 and 20000 \/nStep 3, calculate the price difference of two vehicles: 105000-20000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3498
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":31,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1610.6, 1675.2] and [1639.5, 967.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-11.6, 16.4, 82.6] and [-13.6, -6.0, 105.0] \/nStep 4, calculate distance in camera coordinate system: 31",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3499
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3500
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3501
+    },
+    {
+        "image":"5f48051f-DJI_0410_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3502
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and roewe 550 \/nStep 2, query the prices of two vehicles: 170000 and 20000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3503
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":8.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and roewe 550 \/nStep 2, query the prices of two vehicles: 170000 and 20000 \/nStep 3, calculate the price ratio of two vehicles: 170000\/20000=8.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3504
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the red box is 8.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 190000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":170000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 8.5)X=190000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 20000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1730.0 and 1450.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 170000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3505
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe 550': 20000, 'roewe erx5': 50000, 'volkswagen tiguan l': 155000, 'cadillac xts': 105000, 'chevrolet malibu xl': 145000, 'bmw 7 series': 845000, 'tesla model 3': 285000, 'buick lacrosse': 170000, 'buick envision': 205000, 'byd tang': 225000, 'mercedes-benz c-class': 220000, 'volvo xc40': 225000, 'wuling hongguang': 50000, 'mercedes-benz e-class': 390000, 'nissan x-trail': 175000, 'changan cs55': 45000, 'buick velite 5': 50000, 'baojun 730': 35000, 'buick excelle': 45000, 'geely atlas': 100000}",
+        "choices":"",
+        "answer":150000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick lacrosse and roewe 550 \/nStep 2, query the prices of two vehicles: 170000 and 20000 \/nStep 3, calculate the price difference of two vehicles: 170000-20000=150000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3506
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":28,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2108.1, 1730.0] and [2562.3, 1450.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.0, 27.8, 127.7] and [28.2, 16.3, 139.2] \/nStep 4, calculate distance in camera coordinate system: 28",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3507
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 1. C) 4. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3508
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3509
+    },
+    {
+        "image":"63ff6306-DJI_0414_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 2. D) 3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3510
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and volkswagen lavida \/nStep 2, query the prices of two vehicles: 150000 and 75000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3511
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and volkswagen lavida \/nStep 2, query the prices of two vehicles: 150000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 150000\/75000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3512
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 2.0 times the price of the vehicle in the blue box, and the total price of the two vehicles is 225000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":75000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.0)X=225000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 716.7 and 1390.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 75000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3513
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'skoda octavia': 150000, 'volkswagen lavida': 75000, 'nissan teana': 165000, 'byd song plus': 155000, 'tesla model 3': 285000, 'toyota vios': 45000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":75000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: skoda octavia and volkswagen lavida \/nStep 2, query the prices of two vehicles: 150000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 150000-75000=75000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3514
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 18. B) 13. C) 28. D) 23.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2037.4, 716.7] and [1430.6, 1390.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [0.5, -5.9, 40.0] and [-8.2, 3.8, 40.0] \/nStep 4, calculate distance in camera coordinate system: 13",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3515
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3516
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3517
+    },
+    {
+        "image":"ab5347e7-DJI_0426_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3518
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and byd song plus \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3519
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"A) 4.2. B) 2.1. C) 1.2. D) 1.3.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and byd song plus \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, calculate the price ratio of two vehicles: 190000\/155000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3520
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 1.226 times the price of the vehicle in the blue box, and the total price of the two vehicles is 345000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.226)X=345000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 155000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1696.2 and 979.7 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 190000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3521
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'roewe erx5': 50000, 'toyota vios': 45000, 'byd song plus': 155000, 'volkswagen lavida': 75000, 'skoda octavia': 150000, 'nissan teana': 165000, 'audi q5 e-tron': 320000, 'volkswagen magotan': 190000}",
+        "choices":"A) 35000. B) 17500. C) 70000. D) 105000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen magotan and byd song plus \/nStep 2, query the prices of two vehicles: 190000 and 155000 \/nStep 3, calculate the price difference of two vehicles: 190000-155000=35000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3522
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 18. B) 23. C) 13. D) 33.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [995.7, 1696.2] and [2054.4, 979.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-14.5, 8.2, 40.0] and [0.8, -2.1, 40.0] \/nStep 4, calculate distance in camera coordinate system: 18",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3523
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 1. B) 0. C) 4. D) 2.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3524
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3525
+    },
+    {
+        "image":"879d2e7e-DJI_0428_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3526
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick verano and toyota levin \/nStep 2, query the prices of two vehicles: 80000 and 95000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3527
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":1.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick verano and toyota levin \/nStep 2, query the prices of two vehicles: 80000 and 95000 \/nStep 3, calculate the price ratio of two vehicles: 95000\/80000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3528
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the blue box is 1.188 times the price of the vehicle in the red box, and the total price of the two vehicles is 175000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 85000. B) 80000. C) 120000. D) 90000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.188)X=175000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 95000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1270.7 and 608.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 80000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3529
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick verano': 80000, 'toyota levin': 95000, 'byd han': 210000, 'volkswagen sportsvan': 65000, 'bmw x1': 225000, 'mercedes-benz glc': 335000, 'toyota rav4': 165000, 'chevrolet malibu xl': 145000, 'byd qin': 30000, 'audi q3': 215000, 'honda xr-v': 105000, 'buick gl8': 330000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":15000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick verano and toyota levin \/nStep 2, query the prices of two vehicles: 80000 and 95000 \/nStep 3, calculate the price difference of two vehicles: 95000-80000=15000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3530
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 38. B) 33. C) 18. D) 23.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2118.8, 1270.7] and [2578.3, 608.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [3.4, 4.2, 80.0] and [16.7, -14.9, 80.0] \/nStep 4, calculate distance in camera coordinate system: 23",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3531
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 2. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3532
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3533
+    },
+    {
+        "image":"048d0995-DJI_0431_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3534
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda octavia': 150000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and toyota levin \/nStep 2, query the prices of two vehicles: 55000 and 95000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3535
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda octavia': 150000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":1.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and toyota levin \/nStep 2, query the prices of two vehicles: 55000 and 95000 \/nStep 3, calculate the price ratio of two vehicles: 95000\/55000=1.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3536
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 1.727 times the price of the vehicle in the red box, and the total price of the two vehicles is 150000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":95000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.727)X=150000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 95000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 960.0 and 1830.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3537
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song pro': 65000, 'bmw x3': 340000, 'buick lacrosse': 170000, 'bmw 5 series': 425000, 'audi q5 e-tron': 320000, 'byd tang': 225000, 'volkswagen polo': 70000, 'audi a4l': 230000, 'skoda yeti': 55000, 'kia sportage': 115000, 'byd han': 210000, 'rising marvel r': 115000, 'ford focus': 55000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'byd dolphin': 115000, 'volkswagen id.4 x': 190000, 'volvo s90': 325000, 'volkswagen magotan': 190000, 'toyota levin': 95000, 'byd song plus': 155000, 'ford edge': 255000, 'chevrolet malibu xl': 145000, 'roewe erx5': 50000, 'cadillac srx': 75000, 'bmw x1': 225000, 'byd qin': 30000, 'buick excelle': 45000, 'nissan teana': 165000, 'lexus nx': 370000, 'peugeot 508l': 170000, 'kia k3': 85000, 'bmw x5': 675000, 'vgv u70': 95000, 'toyota yaris l': 45000, 'volkswagen tayron gte': 195000, 'toyota rav4': 165000, 'buick gl8': 330000, 'skoda octavia': 150000, 'skoda superb': 25000, 'mazda axela': 130000, 'toyota c-hr': 135000, 'hyundai sonata': 155000, 'buick encore': 50000, 'volkswagen sagitar': 115000, 'toyota vios': 45000, 'peugeot 408': 95000, 'changan cs35': 30000, 'volkswagen bora': 90000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":40000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and toyota levin \/nStep 2, query the prices of two vehicles: 55000 and 95000 \/nStep 3, calculate the price difference of two vehicles: 95000-55000=40000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3538
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":81,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1901.5, 960.0] and [219.3, 1830.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-4.3, -7.1, 120.0] and [-77.0, 30.5, 120.0] \/nStep 4, calculate distance in camera coordinate system: 81",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3539
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3540
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3541
+    },
+    {
+        "image":"89a9f4b9-DJI_0435_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3542
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and byd dolphin \/nStep 2, query the prices of two vehicles: 285000 and 115000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3543
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":2.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and byd dolphin \/nStep 2, query the prices of two vehicles: 285000 and 115000 \/nStep 3, calculate the price ratio of two vehicles: 285000\/115000=2.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3544
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the red box is 2.478 times the price of the vehicle in the blue box, and the total price of the two vehicles is 400000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":285000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.478)X=400000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 115000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 781.4 and 706.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 285000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3545
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd tang': 225000, 'rising marvel r': 115000, 'ford focus': 55000, 'buick verano': 80000, 'volvo s90': 325000, 'volkswagen lavida': 75000, 'volkswagen polo': 70000, 'kia sportage': 115000, 'toyota rav4': 165000, 'bmw x1': 225000, 'volkswagen magotan': 190000, 'buick lacrosse': 170000, 'volkswagen sportsvan': 65000, 'bmw 5 series': 425000, 'toyota levin': 95000, 'byd dolphin': 115000, 'byd song plus': 155000, 'honda xr-v': 105000, 'byd qin': 30000, 'byd han': 210000, 'roewe erx5': 50000, 'mazda axela': 130000, 'chevrolet malibu xl': 145000, 'lexus nx': 370000, 'cadillac srx': 75000, 'volkswagen id.4 x': 190000, 'audi q5 e-tron': 320000, 'skoda yeti': 55000, 'ford edge': 255000, 'skoda octavia': 150000, 'toyota vios': 45000, 'volkswagen tayron gte': 195000, 'buick gl8': 330000, 'tesla model 3': 285000, 'vgv u70': 95000, 'nissan teana': 165000, 'buick encore': 50000, 'toyota yaris l': 45000, 'audi q3': 215000, 'skoda superb': 25000, 'lexus es': 340000}",
+        "choices":"A) 170000. B) 510000. C) 85000. D) 340000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model 3 and byd dolphin \/nStep 2, query the prices of two vehicles: 285000 and 115000 \/nStep 3, calculate the price difference of two vehicles: 285000-115000=170000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3546
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 32. B) 22. C) 27. D) 42.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3928.3, 781.4] and [3291.2, 706.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [83.4, -14.9, 120.0] and [55.8, -18.1, 120.0] \/nStep 4, calculate distance in camera coordinate system: 27",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3547
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3548
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3549
+    },
+    {
+        "image":"543c64d1-DJI_0436_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":0,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3550
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tayron gte and volkswagen polo \/nStep 2, query the prices of two vehicles: 195000 and 70000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3551
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000}",
+        "choices":"A) 8.6. B) 10.3. C) 2.8. D) 4.2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tayron gte and volkswagen polo \/nStep 2, query the prices of two vehicles: 195000 and 70000 \/nStep 3, calculate the price ratio of two vehicles: 195000\/70000=2.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3552
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the red box is 2.786 times the price of the vehicle in the blue box, and the total price of the two vehicles is 265000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":195000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.786)X=265000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 70000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1627.5 and 1399.6 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 195000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3553
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'byd tang': 225000, 'mazda axela': 130000, 'audi q5 e-tron': 320000, 'roewe erx5': 50000, 'byd song plus': 155000, 'volkswagen tayron gte': 195000, 'kia sportage': 115000, 'cadillac srx': 75000, 'byd dolphin': 115000, 'skoda octavia': 150000, 'volkswagen polo': 70000, 'tesla model 3': 285000, 'rising marvel r': 115000, 'ford edge': 255000, 'ford focus': 55000, 'volkswagen magotan': 190000, 'volvo s90': 325000, 'lexus nx': 370000, 'toyota vios': 45000, 'nissan teana': 165000, 'buick encore': 50000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'vgv u70': 95000, 'bmw 5 series': 425000, 'changan cs35': 30000, 'byd han': 210000, 'lexus es': 340000}",
+        "choices":"",
+        "answer":125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volkswagen tayron gte and volkswagen polo \/nStep 2, query the prices of two vehicles: 195000 and 70000 \/nStep 3, calculate the price difference of two vehicles: 195000-70000=125000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3554
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 37. B) 52. C) 42. D) 47.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2760.3, 1627.5] and [3642.5, 1399.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [28.6, 18.9, 104.5] and [64.7, 10.8, 109.2] \/nStep 4, calculate distance in camera coordinate system: 37",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3555
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 3. C) 0. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3556
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3557
+    },
+    {
+        "image":"843e91a2-DJI_0437_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 4. C) 2. D) 5.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3558
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and nissan teana \/nStep 2, query the prices of two vehicles: 155000 and 165000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3559
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000}",
+        "choices":"A) 4.2. B) 2.1. C) 10.3. D) 1.1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and nissan teana \/nStep 2, query the prices of two vehicles: 155000 and 165000 \/nStep 3, calculate the price ratio of two vehicles: 165000\/155000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3560
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 1.065 times the price of the vehicle in the red box, and the total price of the two vehicles is 320000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 175000. B) 185000. C) 165000. D) 155000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.065)X=320000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 165000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 676.9 and 413.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 155000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3561
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'toyota levin': 95000, 'volkswagen lavida': 75000, 'toyota vios': 45000, 'mazda axela': 130000, 'tesla model 3': 285000, 'roewe erx5': 50000, 'skoda superb': 25000, 'skoda octavia': 150000, 'buick encore': 50000, 'volkswagen magotan': 190000, 'audi q5 e-tron': 320000, 'buick gl8': 330000, 'byd song plus': 155000, 'chevrolet malibu xl': 145000, 'nissan teana': 165000}",
+        "choices":"A) 30000. B) 10000. C) 5000. D) 20000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd song plus and nissan teana \/nStep 2, query the prices of two vehicles: 155000 and 165000 \/nStep 3, calculate the price difference of two vehicles: 165000-155000=10000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3562
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":10,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2321.1, 676.9] and [2201.9, 413.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [8.8, -12.3, 76.4] and [5.9, -20.9, 81.3] \/nStep 4, calculate distance in camera coordinate system: 10",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3563
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3564
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3565
+    },
+    {
+        "image":"91735761-DJI_0443_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3566
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mazda axela and changan cs35 \/nStep 2, query the prices of two vehicles: 130000 and 30000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3567
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"A) 2.1. B) 4.3. C) 8.6. D) 4.2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mazda axela and changan cs35 \/nStep 2, query the prices of two vehicles: 130000 and 30000 \/nStep 3, calculate the price ratio of two vehicles: 130000\/30000=4.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3568
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 4.333 times the price of the vehicle in the blue box, and the total price of the two vehicles is 160000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 135000. B) 140000. C) 160000. D) 130000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.333)X=160000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 30000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1770.4 and 233.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 130000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3569
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'mazda axela': 130000, 'ford edge': 255000, 'changan cs35': 30000}",
+        "choices":"A) 50000. B) 200000. C) 100000. D) 300000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mazda axela and changan cs35 \/nStep 2, query the prices of two vehicles: 130000 and 30000 \/nStep 3, calculate the price difference of two vehicles: 130000-30000=100000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3570
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":16,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3529.8, 1770.4] and [2640.9, 233.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [11.2, 4.7, 20.4] and [6.6, -9.1, 28.4] \/nStep 4, calculate distance in camera coordinate system: 16",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3571
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3572
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3573
+    },
+    {
+        "image":"9f80af1b-DJI_0450_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3574
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota yaris l and peugeot 408 \/nStep 2, query the prices of two vehicles: 45000 and 95000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3575
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"",
+        "answer":2.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota yaris l and peugeot 408 \/nStep 2, query the prices of two vehicles: 45000 and 95000 \/nStep 3, calculate the price ratio of two vehicles: 95000\/45000=2.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3576
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 2.111 times the price of the vehicle in the red box, and the total price of the two vehicles is 140000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":45000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.111)X=140000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 95000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1194.0 and 164.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 45000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3577
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford edge': 255000, 'volkswagen polo': 70000, 'ford focus': 55000, 'bmw x5': 675000, 'byd tang': 225000, 'skoda yeti': 55000, 'byd qin': 30000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'volvo s90': 325000, 'rising marvel r': 115000, 'audi a4l': 230000, 'buick excelle': 45000, 'byd song pro': 65000, 'toyota rav4': 165000, 'tesla model 3': 285000, 'toyota c-hr': 135000, 'volkswagen bora': 90000, 'volkswagen sagitar': 115000, 'kia k3': 85000, 'hyundai sonata': 155000, 'peugeot 408': 95000}",
+        "choices":"A) 100000. B) 25000. C) 150000. D) 50000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota yaris l and peugeot 408 \/nStep 2, query the prices of two vehicles: 45000 and 95000 \/nStep 3, calculate the price difference of two vehicles: 95000-45000=50000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3578
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 34. B) 44. C) 39. D) 29.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2734.7, 1194.0] and [2830.9, 164.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [11.0, 1.0, 41.4] and [19.4, -22.5, 64.9] \/nStep 4, calculate distance in camera coordinate system: 34",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3579
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 0. C) 1. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3580
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3581
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3582
+    },
+    {
+        "image":"32a29cc2-DJI_0459_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3583
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glc and audi q3 \/nStep 2, query the prices of two vehicles: 335000 and 215000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3584
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"",
+        "answer":1.6,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glc and audi q3 \/nStep 2, query the prices of two vehicles: 335000 and 215000 \/nStep 3, calculate the price ratio of two vehicles: 335000\/215000=1.6",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3585
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 1.558 times the price of the vehicle in the blue box, and the total price of the two vehicles is 550000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":335000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.558)X=550000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 215000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1592.1 and 884.2 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 335000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3586
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd qin': 30000, 'volkswagen sportsvan': 65000, 'honda xr-v': 105000, 'buick gl8': 330000, 'mercedes-benz glc': 335000, 'buick verano': 80000, 'byd han': 210000, 'audi q3': 215000, 'toyota rav4': 165000, 'bmw x1': 225000, 'chevrolet malibu xl': 145000, 'toyota levin': 95000, 'skoda superb': 25000}",
+        "choices":"A) 60000. B) 360000. C) 240000. D) 120000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: mercedes-benz glc and audi q3 \/nStep 2, query the prices of two vehicles: 335000 and 215000 \/nStep 3, calculate the price difference of two vehicles: 335000-215000=120000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3587
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 24. B) 29. C) 19. D) 14.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1729.7, 1592.1] and [964.1, 884.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-3.5, 6.1, 36.3] and [-17.3, -4.0, 46.5] \/nStep 4, calculate distance in camera coordinate system: 19",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3588
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3589
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3590
+    },
+    {
+        "image":"16c831fa-DJI_0465_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3591
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: nissan teana and skoda octavia \/nStep 2, query the prices of two vehicles: 165000 and 150000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3592
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: nissan teana and skoda octavia \/nStep 2, query the prices of two vehicles: 165000 and 150000 \/nStep 3, calculate the price ratio of two vehicles: 165000\/150000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3593
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 1.1 times the price of the vehicle in the blue box, and the total price of the two vehicles is 315000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 195000. B) 185000. C) 165000. D) 205000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.1)X=315000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 150000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 989.4 and 228.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 165000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3594
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'nissan teana': 165000, 'volkswagen magotan': 190000, 'buick encore': 50000, 'audi q5 e-tron': 320000, 'byd song plus': 155000, 'ford edge': 255000, 'volkswagen lavida': 75000, 'tesla model 3': 285000, 'mazda axela': 130000, 'roewe erx5': 50000, 'skoda octavia': 150000}",
+        "choices":"A) 15000. B) 7500. C) 45000. D) 30000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: nissan teana and skoda octavia \/nStep 2, query the prices of two vehicles: 165000 and 150000 \/nStep 3, calculate the price difference of two vehicles: 165000-150000=15000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3595
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":26,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2364.8, 989.4] and [2558.9, 228.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.9, -2.2, 44.6] and [12.6, -20.3, 62.7] \/nStep 4, calculate distance in camera coordinate system: 26",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3596
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 1. D) 2.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3597
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3598
+    },
+    {
+        "image":"aea52fce-DJI_0468_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3599
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac srx and roewe erx5 \/nStep 2, query the prices of two vehicles: 75000 and 50000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3600
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"",
+        "answer":1.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac srx and roewe erx5 \/nStep 2, query the prices of two vehicles: 75000 and 50000 \/nStep 3, calculate the price ratio of two vehicles: 75000\/50000=1.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3601
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 1.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 125000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 95000. B) 75000. C) 105000. D) 85000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.5)X=125000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 50000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1487.9 and 169.7 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 75000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3602
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'rising marvel r': 115000, 'volkswagen id.4 x': 190000, 'byd dolphin': 115000, 'kia sportage': 115000, 'buick lacrosse': 170000, 'volkswagen magotan': 190000, 'lexus nx': 370000, 'ford focus': 55000, 'byd han': 210000, 'cadillac srx': 75000, 'tesla model 3': 285000, 'volkswagen tayron gte': 195000, 'roewe erx5': 50000, 'vgv u70': 95000, 'nissan teana': 165000, 'ford edge': 255000, 'lexus es': 340000, 'volkswagen lavida': 75000, 'buick encore': 50000, 'mazda axela': 130000, 'skoda octavia': 150000}",
+        "choices":"A) 50000. B) 12500. C) 75000. D) 25000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: cadillac srx and roewe erx5 \/nStep 2, query the prices of two vehicles: 75000 and 50000 \/nStep 3, calculate the price difference of two vehicles: 75000-50000=25000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3603
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 93. B) 103. C) 88. D) 108.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2078.3, 1487.9] and [1568.8, 169.7] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [2.5, 11.5, 87.5] and [-23.5, -52.0, 151.0] \/nStep 4, calculate distance in camera coordinate system: 93",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3604
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 0. C) 2. D) 1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3605
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3606
+    },
+    {
+        "image":"00556e23-DJI_0474_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and hybrid electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3607
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and buick lacrosse \/nStep 2, query the prices of two vehicles: 55000 and 170000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3608
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"",
+        "answer":3.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and buick lacrosse \/nStep 2, query the prices of two vehicles: 55000 and 170000 \/nStep 3, calculate the price ratio of two vehicles: 170000\/55000=3.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3609
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the blue box is 3.091 times the price of the vehicle in the red box, and the total price of the two vehicles is 225000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":55000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.091)X=225000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 170000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1719.7 and 1201.2 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 55000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3610
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen polo': 70000, 'kia sportage': 115000, 'volkswagen id.4 x': 190000, 'cadillac srx': 75000, 'ford focus': 55000, 'vgv u70': 95000, 'buick lacrosse': 170000, 'lexus nx': 370000, 'byd dolphin': 115000, 'byd tang': 225000, 'volvo s90': 325000, 'byd han': 210000, 'rising marvel r': 115000, 'volkswagen magotan': 190000, 'ford edge': 255000, 'bmw x5': 675000, 'tesla model 3': 285000, 'skoda yeti': 55000, 'byd song pro': 65000, 'byd qin': 30000, 'audi a4l': 230000, 'peugeot 408': 95000, 'toyota yaris l': 45000, 'bmw x3': 340000, 'buick excelle': 45000, 'toyota rav4': 165000, 'peugeot 508l': 170000, 'kia k3': 85000, 'volkswagen tayron gte': 195000, 'volkswagen sagitar': 115000, 'lexus es': 340000, 'hyundai sonata': 155000}",
+        "choices":"A) 345000. B) 230000. C) 57500. D) 115000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford focus and buick lacrosse \/nStep 2, query the prices of two vehicles: 55000 and 170000 \/nStep 3, calculate the price difference of two vehicles: 170000-55000=115000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3611
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":21,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2116.4, 1719.7] and [2173.0, 1201.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [3.4, 17.5, 81.5] and [6.0, 2.6, 96.3] \/nStep 4, calculate distance in camera coordinate system: 21",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3612
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 4. C) 2. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3613
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3614
+    },
+    {
+        "image":"967dbd58-DJI_0479_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 5. B) 0. C) 1. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3615
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs35 and ford focus \/nStep 2, query the prices of two vehicles: 30000 and 55000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3616
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs35 and ford focus \/nStep 2, query the prices of two vehicles: 30000 and 55000 \/nStep 3, calculate the price ratio of two vehicles: 55000\/30000=1.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3617
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the blue box is 1.833 times the price of the vehicle in the red box, and the total price of the two vehicles is 85000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":55000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.833)X=85000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 55000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1170.8 and 1772.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 55000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3618
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen lavida': 75000, 'mazda axela': 130000, 'ford focus': 55000, 'byd song plus': 155000, 'audi q5 e-tron': 320000, 'volkswagen polo': 70000, 'cadillac srx': 75000, 'volvo s90': 325000, 'skoda octavia': 150000, 'kia sportage': 115000, 'byd tang': 225000, 'rising marvel r': 115000, 'tesla model 3': 285000, 'lexus nx': 370000, 'vgv u70': 95000, 'buick encore': 50000, 'volkswagen tayron gte': 195000, 'ford edge': 255000, 'toyota vios': 45000, 'byd dolphin': 115000, 'volkswagen magotan': 190000, 'volkswagen id.4 x': 190000, 'buick lacrosse': 170000, 'changan cs35': 30000, 'skoda yeti': 55000, 'lexus es': 340000, 'nissan teana': 165000, 'roewe erx5': 50000}",
+        "choices":"",
+        "answer":25000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs35 and ford focus \/nStep 2, query the prices of two vehicles: 30000 and 55000 \/nStep 3, calculate the price difference of two vehicles: 55000-30000=25000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3619
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":65,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1869.0, 1170.8] and [3018.1, 1772.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.2, 2.5, 153.0] and [46.3, 29.4, 126.1] \/nStep 4, calculate distance in camera coordinate system: 65",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3620
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 2. C) 1. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3621
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3622
+    },
+    {
+        "image":"9d2e1eda-DJI_0483_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 0. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3623
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and lexus nx \/nStep 2, query the prices of two vehicles: 290000 and 370000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3624
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"A) 10.3. B) 8.6. C) 1.3. D) 2.1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and lexus nx \/nStep 2, query the prices of two vehicles: 290000 and 370000 \/nStep 3, calculate the price ratio of two vehicles: 370000\/290000=1.3",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3625
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"It is known that the price of the vehicle in the blue box is 1.276 times the price of the vehicle in the red box, and the total price of the two vehicles is 660000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":290000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.276)X=660000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 370000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1815.0 and 1032.1 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 290000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3626
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volvo xc60': 290000, 'byd song': 55000, 'volkswagen id.4 crozz': 190000, 'lexus nx': 370000, 'buick lacrosse': 170000, 'honda fit': 85000, 'byd qin plus': 105000, 'changan lumin': 60000}",
+        "choices":"A) 160000. B) 40000. C) 240000. D) 80000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: volvo xc60 and lexus nx \/nStep 2, query the prices of two vehicles: 290000 and 370000 \/nStep 3, calculate the price difference of two vehicles: 370000-290000=80000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3627
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 60 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1766.8, 1815.0] and [1680.0, 1032.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.1, 15.1, 60.6] and [-8.1, -2.4, 70.6] \/nStep 4, calculate distance in camera coordinate system: 20",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3628
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 1. D) 2.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3629
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3630
+    },
+    {
+        "image":"97808111-DJI_0519_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":60,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 5. C) 3. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3631
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 305000 and 220000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3632
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":1.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 305000 and 220000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/220000=1.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3633
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 1.386 times the price of the vehicle in the blue box, and the total price of the two vehicles is 525000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 220000. B) 230000. C) 225000. D) 250000.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.386)X=525000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 220000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 758.7 and 1461.4 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 220000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3634
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'tesla model y': 305000, 'byd qin plus': 105000}",
+        "choices":"",
+        "answer":85000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: tesla model y and mercedes-benz c-class \/nStep 2, query the prices of two vehicles: 305000 and 220000 \/nStep 3, calculate the price difference of two vehicles: 305000-220000=85000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3635
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3147.3, 758.7] and [1972.9, 1461.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [10.3, -3.3, 25.0] and [-0.2, 2.6, 21.6] \/nStep 4, calculate distance in camera coordinate system: 12",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3636
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 4. B) 3. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3637
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3638
+    },
+    {
+        "image":"8563ced3-DJI_0537_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3639
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and ford ecosport \/nStep 2, query the prices of two vehicles: 105000 and 35000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3640
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":3.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and ford ecosport \/nStep 2, query the prices of two vehicles: 105000 and 35000 \/nStep 3, calculate the price ratio of two vehicles: 105000\/35000=3.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3641
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 3.0 times the price of the vehicle in the blue box, and the total price of the two vehicles is 140000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 115000. B) 110000. C) 125000. D) 105000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.0)X=140000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 35000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1621.5 and 1032.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 105000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3642
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'byd song plus': 155000, 'mercedes-benz c-class': 220000, 'byd qin plus': 105000, 'ford ecosport': 35000, 'tesla model y': 305000}",
+        "choices":"",
+        "answer":70000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: byd qin plus and ford ecosport \/nStep 2, query the prices of two vehicles: 105000 and 35000 \/nStep 3, calculate the price difference of two vehicles: 105000-35000=70000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3643
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":30,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1126.5, 1621.5] and [856.9, 1032.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-26.4, 15.0, 84.0] and [-42.2, -3.4, 102.4] \/nStep 4, calculate distance in camera coordinate system: 30",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3644
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 12 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 0. D) 1.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 12-8=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3645
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3646
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3647
+    },
+    {
+        "image":"61f2c405-DJI_0553_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: hybrid electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3648
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'audi a6l': 430000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi a6l \/nStep 2, query the prices of two vehicles: 150000 and 430000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3649
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'audi a6l': 430000}",
+        "choices":"",
+        "answer":2.9,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi a6l \/nStep 2, query the prices of two vehicles: 150000 and 430000 \/nStep 3, calculate the price ratio of two vehicles: 430000\/150000=2.9",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3650
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 2.867 times the price of the vehicle in the red box, and the total price of the two vehicles is 580000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 190000. B) 155000. C) 180000. D) 150000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.867)X=580000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 430000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2016.5 and 1138.8 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 150000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3651
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'changan cs75': 80000, 'hyundai lafesta': 145000, 'chevrolet equinox': 150000, 'audi a6l': 430000}",
+        "choices":"A) 840000. B) 140000. C) 560000. D) 280000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi a6l \/nStep 2, query the prices of two vehicles: 150000 and 430000 \/nStep 3, calculate the price difference of two vehicles: 430000-150000=280000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3652
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 7. B) 12. C) 17. D) 27.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1491.4, 2016.5] and [1511.9, 1138.8] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-7.3, 12.9, 40.0] and [-7.0, 0.2, 40.0] \/nStep 4, calculate distance in camera coordinate system: 12",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3653
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3654
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3655
+    },
+    {
+        "image":"c4ef99e5-DJI_0560_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3656
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hyundai lafesta \/nStep 2, query the prices of two vehicles: 80000 and 145000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3657
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"",
+        "answer":1.8,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hyundai lafesta \/nStep 2, query the prices of two vehicles: 80000 and 145000 \/nStep 3, calculate the price ratio of two vehicles: 145000\/80000=1.8",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3658
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 1.812 times the price of the vehicle in the red box, and the total price of the two vehicles is 225000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 120000. B) 80000. C) 100000. D) 85000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.812)X=225000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 145000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2016.0 and 1835.6 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 80000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3659
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'hongqi h9': 535000}",
+        "choices":"A) 32500. B) 65000. C) 195000. D) 130000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hyundai lafesta \/nStep 2, query the prices of two vehicles: 80000 and 145000 \/nStep 3, calculate the price difference of two vehicles: 145000-80000=65000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3660
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"A) 2. B) 7. C) 17. D) -3.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1721.2, 2016.0] and [1722.7, 1835.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-4.0, 12.8, 40.0] and [-4.0, 10.2, 40.0] \/nStep 4, calculate distance in camera coordinate system: 2",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3661
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3662
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3663
+    },
+    {
+        "image":"bffe4ec8-DJI_0561_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 2. D) 0.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3664
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi q5l \/nStep 2, query the prices of two vehicles: 150000 and 305000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3665
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi q5l \/nStep 2, query the prices of two vehicles: 150000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/150000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3666
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the blue box is 2.033 times the price of the vehicle in the red box, and the total price of the two vehicles is 455000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 310000. B) 305000. C) 325000. D) 315000.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.033)X=455000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 183.0 and 2064.6 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3667
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'chevrolet equinox': 150000, 'chevrolet c6': 75000}",
+        "choices":"A) 465000. B) 77500. C) 310000. D) 155000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet equinox and audi q5l \/nStep 2, query the prices of two vehicles: 150000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 305000-150000=155000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3668
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":33,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2825.9, 183.0] and [1465.0, 2064.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [11.9, -13.6, 40.0] and [-7.7, 13.5, 40.0] \/nStep 4, calculate distance in camera coordinate system: 33",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3669
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 1. C) 4. D) 0.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-8=0",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3670
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3671
+    },
+    {
+        "image":"b788308e-DJI_0562_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 1. D) 5.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3672
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and ford edge \/nStep 2, query the prices of two vehicles: 305000 and 255000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3673
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":1.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and ford edge \/nStep 2, query the prices of two vehicles: 305000 and 255000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/255000=1.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3674
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 1.196 times the price of the vehicle in the blue box, and the total price of the two vehicles is 560000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 275000. B) 265000. C) 285000. D) 255000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.196)X=560000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 255000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 483.6 and 1001.1 \/nStep 4, the vehicle in the blue box is closer to the bottom of the image, and its price is 255000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3675
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'buick velite 6': 100000, 'honda vezel': 90000, 'ford edge': 255000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":50000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and ford edge \/nStep 2, query the prices of two vehicles: 305000 and 255000 \/nStep 3, calculate the price difference of two vehicles: 305000-255000=50000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3676
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":7,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [682.8, 483.6] and [556.0, 1001.1] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-19.0, -9.2, 40.0] and [-20.8, -1.8, 40.0] \/nStep 4, calculate distance in camera coordinate system: 7",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3677
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 13 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 13-10=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3678
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 7.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the blue box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3679
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3680
+    },
+    {
+        "image":"49ccfb41-DJI_0563_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3681
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus  es and ford escort \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3682
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":8.5,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus  es and ford escort \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price ratio of two vehicles: 340000\/40000=8.5",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3683
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"It is known that the price of the vehicle in the red box is 8.5 times the price of the vehicle in the blue box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 345000. B) 370000. C) 350000. D) 340000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 8.5)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 40000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1407.3 and 113.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 340000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3684
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'audi a3': 150000, 'ford escort': 40000, 'lexus  es': 340000}",
+        "choices":"",
+        "answer":300000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lexus  es and ford escort \/nStep 2, query the prices of two vehicles: 340000 and 40000 \/nStep 3, calculate the price difference of two vehicles: 340000-40000=300000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3685
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 40 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":20,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3008.9, 1407.3] and [2492.5, 113.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [14.5, 4.1, 40.0] and [7.1, -14.6, 40.0] \/nStep 4, calculate distance in camera coordinate system: 20",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3686
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3687
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3688
+    },
+    {
+        "image":"1f3a3aaa-DJI_0566_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":40,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3689
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3690
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 625000\/305000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3691
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"It is known that the price of the vehicle in the red box is 2.049 times the price of the vehicle in the blue box, and the total price of the two vehicles is 930000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":625000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.049)X=930000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 372.9 and 175.9 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 625000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3692
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'volkswagen touareg': 225000, 'buick velite 6': 100000, 'audi a3': 150000, 'lexus  es': 340000, 'ford escort': 40000, 'ford edge': 255000, 'lincoln aviator': 625000, 'buick gl8': 330000, 'audi q5l': 305000}",
+        "choices":"",
+        "answer":320000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 625000-305000=320000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3693
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 80 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":17,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2222.5, 372.9] and [2785.6, 175.9] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [6.4, -21.7, 80.0] and [22.7, -27.4, 80.0] \/nStep 4, calculate distance in camera coordinate system: 17",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3694
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 6+5=11 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 11-2=9 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-9=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3695
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 6.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3696
+    },
+    {
+        "image":"0f46ba3c-DJI_0567_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":80,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3697
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: haval m6 and audi q5l \/nStep 2, query the prices of two vehicles: 75000 and 305000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3698
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"A) 4.1. B) 8.6. C) 4.2. D) 2.1.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: haval m6 and audi q5l \/nStep 2, query the prices of two vehicles: 75000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/75000=4.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3699
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"It is known that the price of the vehicle in the blue box is 4.067 times the price of the vehicle in the red box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":75000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.067)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2194.6 and 970.4 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 75000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3700
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'chevrolet equinox': 150000, 'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'chevrolet c6': 75000, 'buick gl8': 330000, 'audi a3': 150000, 'buick velite 6': 100000, 'ford edge': 255000, 'ford escort': 40000, 'lincoln aviator': 625000, 'honda vezel': 90000, 'haval m6': 75000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: haval m6 and audi q5l \/nStep 2, query the prices of two vehicles: 75000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 305000-75000=230000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3701
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 120 meters. Pitch Angle: 90 degrees.",
+        "choices":"",
+        "answer":57,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [656.5, 2194.6] and [1166.3, 970.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-58.1, 46.3, 120.0] and [-36.1, -6.7, 120.0] \/nStep 4, calculate distance in camera coordinate system: 57",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3702
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3703
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3704
+    },
+    {
+        "image":"3fa148f5-DJI_0573_2boxes_1.jpg",
+        "pitch_angle":90,
+        "AGL":120,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 4. B) 5. C) 2. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3705
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet lova and hyundai lafesta \/nStep 2, query the prices of two vehicles: 15000 and 145000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3706
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":9.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet lova and hyundai lafesta \/nStep 2, query the prices of two vehicles: 15000 and 145000 \/nStep 3, calculate the price ratio of two vehicles: 145000\/15000=9.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3707
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"It is known that the price of the vehicle in the blue box is 9.667 times the price of the vehicle in the red box, and the total price of the two vehicles is 160000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":15000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 9.667)X=160000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 145000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 326.2 and 314.6 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 15000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3708
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'toyota carola': 95000, 'lexus  es': 340000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000, 'changan cs75': 80000, 'chevrolet c6': 75000, 'chevrolet equinox': 150000, 'buick gl8': 330000, 'ford escort': 40000, 'hyundai lafesta': 145000, 'hongqi h9': 535000, 'lincoln aviator': 625000, 'audi a6l': 430000, 'ford edge': 255000, 'volkswagen t-cross': 95000, 'volkswagen golf': 175000, 'lexus nx': 370000, 'hyundai mistra': 60000, 'chevrolet lova': 15000, 'volkswagen lavida': 75000}",
+        "choices":"",
+        "answer":130000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: chevrolet lova and hyundai lafesta \/nStep 2, query the prices of two vehicles: 15000 and 145000 \/nStep 3, calculate the price difference of two vehicles: 145000-15000=130000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3709
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 100 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":101,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [446.0, 326.2] and [2472.5, 314.6] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-77.6, -39.9, 138.5] and [23.7, -40.6, 138.9] \/nStep 4, calculate distance in camera coordinate system: 101",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3710
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 10 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 3. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 10-8=2",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3711
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3712
+    },
+    {
+        "image":"acaec21b-DJI_0576_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":100,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 1. B) 3. C) 4. D) 2.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3713
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 6 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 100000 and 225000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3714
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000}",
+        "choices":"",
+        "answer":2.2,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 6 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 100000 and 225000 \/nStep 3, calculate the price ratio of two vehicles: 225000\/100000=2.2",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3715
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 2.25 times the price of the vehicle in the red box, and the total price of the two vehicles is 325000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":100000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.25)X=325000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 225000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1022.6 and 756.4 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 100000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3716
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'ford escort': 40000, 'buick velite 6': 100000, 'audi a3': 150000, 'volkswagen touareg': 225000}",
+        "choices":"",
+        "answer":125000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: buick velite 6 and volkswagen touareg \/nStep 2, query the prices of two vehicles: 100000 and 225000 \/nStep 3, calculate the price difference of two vehicles: 225000-100000=125000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3717
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":11,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [3148.9, 1022.6] and [1828.6, 756.4] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [9.8, -0.9, 23.6] and [-1.5, -3.3, 25.0] \/nStep 4, calculate distance in camera coordinate system: 11",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3718
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 14 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":4,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+7=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 14-10=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3719
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the blue box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3720
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3721
+    },
+    {
+        "image":"189afc4e-DJI_0590_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 3. B) 5. C) 1. D) 4.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: electric vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3722
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford edge and chevrolet c6 \/nStep 2, query the prices of two vehicles: 255000 and 75000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3723
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000}",
+        "choices":"",
+        "answer":3.4,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford edge and chevrolet c6 \/nStep 2, query the prices of two vehicles: 255000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 255000\/75000=3.4",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3724
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the red box is 3.4 times the price of the vehicle in the blue box, and the total price of the two vehicles is 330000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 285000. B) 295000. C) 265000. D) 255000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 3.4)X=330000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1838.3 and 559.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 255000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3725
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi q5l': 305000, 'chevrolet c6': 75000, 'ford edge': 255000}",
+        "choices":"",
+        "answer":180000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: ford edge and chevrolet c6 \/nStep 2, query the prices of two vehicles: 255000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 255000-75000=180000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3726
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"",
+        "answer":12,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2405.5, 1838.3] and [2381.1, 559.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [2.9, 5.2, 20.1] and [3.6, -5.3, 26.2] \/nStep 4, calculate distance in camera coordinate system: 12",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3727
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 13 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 0. B) 2. C) 3. D) 1.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 7+5=12 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 12-2=10 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 13-10=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3728
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more doors, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' doors: vehicle in the red box has more doors.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3729
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3730
+    },
+    {
+        "image":"353ef7f6-DJI_0591_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3731
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hongqi h9 \/nStep 2, query the prices of two vehicles: 80000 and 535000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3732
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000}",
+        "choices":"",
+        "answer":6.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hongqi h9 \/nStep 2, query the prices of two vehicles: 80000 and 535000 \/nStep 3, calculate the price ratio of two vehicles: 535000\/80000=6.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3733
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"It is known that the price of the vehicle in the blue box is 6.688 times the price of the vehicle in the red box, and the total price of the two vehicles is 615000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 100000. B) 90000. C) 80000. D) 120000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 6.688)X=615000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 535000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 1701.5 and 1410.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 80000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3734
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'changan cs75': 80000}",
+        "choices":"",
+        "answer":455000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: changan cs75 and hongqi h9 \/nStep 2, query the prices of two vehicles: 80000 and 535000 \/nStep 3, calculate the price difference of two vehicles: 535000-80000=455000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3735
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 20 meters. Pitch Angle: 60 degrees.",
+        "choices":"A) 9. B) 19. C) 14. D) 24.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1325.5, 1701.5] and [3130.9, 1410.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-5.0, 4.3, 20.6] and [8.9, 2.2, 21.8] \/nStep 4, calculate distance in camera coordinate system: 14",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3736
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 8 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":1,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+4=9 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 9-2=7 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 8-7=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3737
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3738
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"no",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 4.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3739
+    },
+    {
+        "image":"ee4aa246-DJI_0595_2boxes_1.jpg",
+        "pitch_angle":60,
+        "AGL":20,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3740
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3741
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":2.0,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, calculate the price ratio of two vehicles: 625000\/305000=2.0",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3742
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the red box is 2.049 times the price of the vehicle in the blue box, and the total price of the two vehicles is 930000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 665000. B) 655000. C) 625000. D) 635000.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.049)X=930000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 305000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 414.7 and 286.0 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 625000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3743
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'audi a3': 150000, 'ford edge': 255000, 'buick velite 6': 100000, 'lexus  es': 340000, 'volkswagen touareg': 225000, 'lincoln aviator': 625000, 'audi q5l': 305000, 'chevrolet c6': 75000, 'ford escort': 40000, 'volkswagen t-cross': 95000}",
+        "choices":"",
+        "answer":320000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: lincoln aviator and audi q5l \/nStep 2, query the prices of two vehicles: 625000 and 305000 \/nStep 3, calculate the price difference of two vehicles: 625000-305000=320000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3744
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":18,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2001.1, 414.7] and [2823.1, 286.0] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [0.0, -14.6, 57.0] and [18.0, -18.4, 60.8] \/nStep 4, calculate distance in camera coordinate system: 18",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3745
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to a rock festival together this weekend, for a total of 13 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 2. B) 4. C) 1. D) 0.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 6+5=11 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 11-2=9 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 13-9=4",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3746
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle has more seats, the one in the red box or the blue box?",
+        "context":"",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 6.0 and 5.0 \/nStep 2, compare the number of two vehicles' seats: vehicle in the red box has more seats.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicles",
+        "step":2,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3747
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3748
+    },
+    {
+        "image":"e238a11e-DJI_0602_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3749
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":"blue",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota carola and buick velite 6 \/nStep 2, query the prices of two vehicles: 95000 and 100000 \/nStep 3, compare the price of two vehicles: the car in the blue box is more expensive than the one in the red box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3750
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many times is the price of the vehicle in the blue box compared to the vehicle in the red box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":1.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota carola and buick velite 6 \/nStep 2, query the prices of two vehicles: 95000 and 100000 \/nStep 3, calculate the price ratio of two vehicles: 100000\/95000=1.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3751
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"It is known that the price of the vehicle in the blue box is 1.053 times the price of the vehicle in the red box, and the total price of the two vehicles is 195000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":95000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 1.053)X=195000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 100000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2040.7 and 487.3 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 95000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3752
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'toyota carola': 95000, 'changan cs75': 80000, 'audi a6l': 430000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'byd yuan plus': 135000}",
+        "choices":"",
+        "answer":5000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: toyota carola and buick velite 6 \/nStep 2, query the prices of two vehicles: 95000 and 100000 \/nStep 3, calculate the price difference of two vehicles: 100000-95000=5000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3753
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 30 meters. Pitch Angle: 45 degrees.",
+        "choices":"A) 27. B) 47. C) 32. D) 37.",
+        "answer":"C",
+        "eva":"option",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2514.0, 2040.7] and [2274.4, 487.3] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [5.9, 10.5, 31.9] and [5.4, -12.7, 55.1] \/nStep 4, calculate distance in camera coordinate system: 32",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3754
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 4. C) 2. D) 0.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3755
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 4.0 and 4.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3756
+    },
+    {
+        "image":"9acb9d38-DJI_0606_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":30,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 3. D) 4.",
+        "answer":"B",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and electric vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3757
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and bmw 1 series \/nStep 2, query the prices of two vehicles: 305000 and 115000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3758
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":2.7,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and bmw 1 series \/nStep 2, query the prices of two vehicles: 305000 and 115000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/115000=2.7",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3759
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"It is known that the price of the vehicle in the red box is 2.652 times the price of the vehicle in the blue box, and the total price of the two vehicles is 420000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"",
+        "answer":305000,
+        "eva":"int",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 2.652)X=420000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 115000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 2194.1 and 766.5 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3760
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'buick velite 6': 100000, 'chevrolet c6': 75000, 'audi q5l': 305000, 'changan cs75': 80000, 'hongqi h9': 535000, 'hyundai lafesta': 145000, 'audi a6l': 430000, 'toyota camry': 190000, 'volkswagen t-cross': 95000, 'byd yuan plus': 135000, 'bmw 1 series': 115000}",
+        "choices":"",
+        "answer":190000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and bmw 1 series \/nStep 2, query the prices of two vehicles: 305000 and 115000 \/nStep 3, calculate the price difference of two vehicles: 305000-115000=190000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3761
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 70 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":72,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [1394.8, 2194.1] and [629.1, 766.5] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [-15.6, 27.5, 71.5] and [-56.2, -14.7, 113.7] \/nStep 4, calculate distance in camera coordinate system: 72",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3762
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Our laboratory has planned a dinner party tonight, for a total of 9 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"A) 3. B) 4. C) 2. D) 1.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 9-8=1",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3763
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"Does the vehicle in the red box have the same number of seats as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' seats within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of seats of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of seats between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3764
+    },
+    {
+        "image":"7e83e4b3-DJI_0613_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":70,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"",
+        "answer":2,
+        "eva":"int",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3765
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Which vehicle is more expensive, the one in the red box or the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":"red",
+        "eva":"str",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and haval m6 \/nStep 2, query the prices of two vehicles: 305000 and 75000 \/nStep 3, compare the price of two vehicles: the vehicle in the red box is more expensive than the one in the blue box.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the prices of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3766
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many times is the price of the vehicle in the red box compared to the vehicle in the blue box?",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":4.1,
+        "eva":"float",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and haval m6 \/nStep 2, query the prices of two vehicles: 305000 and 75000 \/nStep 3, calculate the price ratio of two vehicles: 305000\/75000=4.1",
+        "subject":"arithmetic",
+        "topic":"multiplication",
+        "task":"price ratio of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3767
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"It is known that the price of the vehicle in the red box is 4.067 times the price of the vehicle in the blue box, and the total price of the two vehicles is 380000. So what is the price of the vehicle closer to the bottom of the image?",
+        "context":"",
+        "choices":"A) 315000. B) 345000. C) 310000. D) 305000.",
+        "answer":"D",
+        "eva":"option",
+        "rationale":"Step 1, let the price of the vehicle in the blue box be X, a linear equation can be written: (1 + 4.067)X=380000 \/nStep 2, solve the linear equation to obtain the price of the car in the blue box: 75000 \/nStep 3, find the y-coordinate of the center point of the vehicle within the red and blue boxes: 997.8 and 474.2 \/nStep 4, the vehicle in the red box is closer to the bottom of the image, and its price is 305000",
+        "subject":"algebra",
+        "topic":"univariate algebra",
+        "task":"calculate the price based on price ratio and total price",
+        "step":4,
+        "qtype":"multiple-choice",
+        "level":4,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3768
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"What is the price difference between the car in the red box and the car in the blue box? (Unit: RMB)",
+        "context":"The vehicle price dictionary that may be used is as follows:\/n{'hyundai lafesta': 145000, 'changan cs75': 80000, 'buick velite 6': 100000, 'audi a6l': 430000, 'hongqi h9': 535000, 'audi q5l': 305000, 'volkswagen t-cross': 95000, 'audi a3': 150000, 'chevrolet c6': 75000, 'ford edge': 255000, 'volkswagen touareg': 225000, 'honda vezel': 90000, 'lexus  es': 340000, 'ford escort': 40000, 'haval m6': 75000, 'lincoln aviator': 625000, 'buick gl8': 330000}",
+        "choices":"",
+        "answer":230000,
+        "eva":"int",
+        "rationale":"Step 1, identify the model of two vehicles within the red and blue boxes: audi q5l and haval m6 \/nStep 2, query the prices of two vehicles: 305000 and 75000 \/nStep 3, calculate the price difference of two vehicles: 305000-75000=230000",
+        "subject":"arithmetic",
+        "topic":"subtraction",
+        "task":"price difference of two vehicles",
+        "step":3,
+        "qtype":"free-form",
+        "level":6,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3769
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many meters are the two vehicles in the red and blue boxes apart?",
+        "context":"The sensor parameters that may be used are as follows:\nFocal Length: 12 millimeters. Pixel Size: 0.004325 millimeters. Image Width: 4000 pixels. Image Height: 2250 pixels. Above Ground Level: 110 meters. Pitch Angle: 45 degrees.",
+        "choices":"",
+        "answer":63,
+        "eva":"int",
+        "rationale":"Step 1, find the center point of two vehicles in the red and blue boxes: [2339.7, 997.8] and [2669.2, 474.2] \/nStep 2, convert them from pixel coordinate system to image coordinate system. \/nStep 3, convert them from image coordinate system to camera coordinate system: [20.0, -7.5, 163.0] and [49.0, -47.7, 203.2] \/nStep 4, calculate distance in camera coordinate system: 63",
+        "subject":"geometry",
+        "topic":"metric geometry",
+        "task":"vehicle2vehicle distance",
+        "step":4,
+        "qtype":"free-form",
+        "level":5,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3770
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"We plan to drive to camp together tomorrow morning, for a total of 11 people. The two cars in the red and blue boxes are called taxis. How many more seats are needed to accommodate everyone?",
+        "context":"",
+        "choices":"",
+        "answer":3,
+        "eva":"int",
+        "rationale":"Step 1, calculate the total number of seats in the vehicle in the red box and blue box: 5+5=10 \/nStep 2, due to taxi drivers also occupying seats, the total number of seats available is 10-2=8 \/nStep 3, calculate the difference between the number of passengers and the total number of seats available: 11-8=3",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"passenger capacity",
+        "step":3,
+        "qtype":"free-form",
+        "level":3,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3771
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"Does the vehicle in the red box have the same number of doors as the vehicle in the blue box? Only answer yes or no.",
+        "context":"",
+        "choices":"",
+        "answer":"yes",
+        "eva":"str",
+        "rationale":"Step 1, identify the number of two vehicles' doors within the red and blue boxes: 5.0 and 5.0 \/nStep 2, compare whether the number of doors of two vehicles is the same.",
+        "subject":"logic",
+        "topic":"comparison",
+        "task":"compare the number of doors between two vehicless",
+        "step":2,
+        "qtype":"yes\/no",
+        "level":1,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3772
+    },
+    {
+        "image":"87bdf306-DJI_0621_2boxes_1.jpg",
+        "pitch_angle":45,
+        "AGL":110,
+        "question":"How many of the vehicles in the red and blue boxes need to go to the gas station regularly?",
+        "context":"",
+        "choices":"A) 2. B) 1. C) 5. D) 4.",
+        "answer":"A",
+        "eva":"option",
+        "rationale":"Step 1, identify the powertrain of vehicles in the red and blue boxes: internal combustion engine vehicle and internal combustion engine vehicle \nStep 2, infer that going to the gas station is to refuel, only the electric vehicle does not need refueling. \nStep 3, determine the number of vehicles that need to regularly go to gas stations based on the number of electric vehicles.",
+        "subject":"logic",
+        "topic":"deductive reasoning",
+        "task":"gas station",
+        "step":3,
+        "qtype":"multiple-choice",
+        "level":2,
+        "obj_num":27,
+        "region":"box-level",
+        "qid":3773
+    }
+]
\ No newline at end of file