text: {"answer": "truck", "query": "What type of vehicle is in the photo?", "question_id": 490199001, "contrast_sets": [{"mutex_answer": "jeep", "mutex_caption": "Two men sitting on the back of a jeep.", "mutex_detection": "jeep"}, {"mutex_answer": "camper", "mutex_caption": "Two men sitting on the back of a camper.", "mutex_detection": "camper"}, {"mutex_answer": "car", "mutex_caption": "Two men sitting on the back of a car.", "mutex_detection": "car"}, {"mutex_answer": "bus", "mutex_caption": "Two men sitting on the back of a bus.", "mutex_detection": "bus"}, {"mutex_answer": "van", "mutex_caption": "Two men sitting on the back of a van.", "mutex_detection": "van"}], "caption": "Two men sitting on the back of a truck.", "image_id": 490199, "detection": "truck", "boxes": [[0.12, 151.65, 386.59, 223.88]], "id": 565, "file_name": "COCO_val2014_000000490199.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000490199.jpg", "flickr_url": "http://farm1.staticflickr.com/83/233003083_765401cd06_z.jpg", "license": 3, "height": 376, "width": 500}