text: {"answer": "toothbrush", "query": "What is the man holding?", "question_id": 537860001, "contrast_sets": [{"mutex_answer": "bristle brush", "mutex_caption": "A man brushing his teeth with a bristle brush", "mutex_detection": "bristle brush"}, {"mutex_answer": "razor", "mutex_caption": "A man brushing his teeth with a razor", "mutex_detection": "razor"}], "caption": "A man brushing his teeth with a toothbrush", "image_id": 537860, "detection": "toothbrush", "boxes": [[396.61, 164.1, 42.19, 54.6]], "id": 1227, "file_name": "COCO_val2014_000000537860.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000537860.jpg", "flickr_url": "http://farm5.staticflickr.com/4001/4312527301_c932869cd2_z.jpg", "license": 2, "height": 428, "width": 640}