text: {"answer": "skateboarding", "query": "What is the child doing?", "question_id": 119513002, "contrast_sets": [{"mutex_answer": "rollerblading", "mutex_caption": "a kid is in the air on a rollerblade", "mutex_detection": "rollerblade"}], "caption": "a kid is in the air on a skateboard", "image_id": 119513, "detection": "skateboard", "boxes": [[321.61, 233.23, 154.67, 114.16]], "id": 471, "file_name": "COCO_val2014_000000119513.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000119513.jpg", "flickr_url": "http://farm4.staticflickr.com/3255/2795510558_603f369db9_z.jpg", "license": 1, "height": 464, "width": 640}