text: {"answer": "skateboarding", "query": "What is the man doing?", "question_id": 306437003, "contrast_sets": [{"mutex_answer": "rollerblading", "mutex_caption": "A man riding a rollerblade up a flight of steps.", "mutex_detection": "rollerblade"}], "caption": "A man riding a skateboard up a flight of steps.", "image_id": 306437, "detection": "skateboard", "boxes": [[203.72, 396.19, 48.86, 35.38]], "id": 119, "file_name": "COCO_val2014_000000306437.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000306437.jpg", "flickr_url": "http://farm4.staticflickr.com/3743/9618740465_c951738fef_z.jpg", "license": 2, "height": 640, "width": 426}