text: {"answer": "skateboarding", "query": "What is the person doing?", "question_id": 324158016, "contrast_sets": [{"mutex_answer": "rollerblading", "mutex_caption": "A man on rollerblades with a dog outside. ", "mutex_detection": "rollerblade"}], "caption": "A man on a skateboard with a dog outside. ", "image_id": 324158, "detection": "skateboard", "boxes": [[223.48, 243.72, 28.67, 19.61]], "id": 377, "file_name": "COCO_val2014_000000324158.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000324158.jpg", "flickr_url": "http://farm1.staticflickr.com/169/417836491_5bf8762150_z.jpg", "license": 1, "height": 334, "width": 500}