text: {"answer": "surfboard", "query": "What is this person standing on?", "question_id": 485943001, "contrast_sets": [{"mutex_answer": "boogie board", "mutex_caption": "A person on a boogie board in the water.", "mutex_detection": "boogie board"}, {"mutex_answer": "wakeboard", "mutex_caption": "A person on a wakeboard in the water.", "mutex_detection": "wakeboard"}, {"mutex_answer": "wetsuit", "mutex_caption": "A person on a wetsuit in the water.", "mutex_detection": "wetsuit"}, {"mutex_answer": "skateboard", "mutex_caption": "A person on a skateboard in the water.", "mutex_detection": "skateboard"}], "caption": "A person on a surfboard in the water.", "image_id": 485943, "detection": "surfboard", "boxes": [[385.47, 182.09, 49.55, 78.21]], "id": 125, "file_name": "COCO_val2014_000000485943.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000485943.jpg", "flickr_url": "http://farm6.staticflickr.com/5291/5462074249_09808b3efb_z.jpg", "license": 3, "height": 458, "width": 640}