text: {"answer": "surfboard", "query": "What is the man riding?", "question_id": 437494014, "contrast_sets": [{"mutex_answer": "kayak", "mutex_caption": "a person and a dog on a kayak with an oar", "mutex_detection": "kayak"}, {"mutex_answer": "canoe", "mutex_caption": "a person and a dog on a canoe with an oar", "mutex_detection": "canoe"}, {"mutex_answer": "paddle boat", "mutex_caption": "a person and a dog on a paddle boat with an oar", "mutex_detection": "paddle boat"}, {"mutex_answer": "paddleboard", "mutex_caption": "a person and a dog on a paddleboard with an oar", "mutex_detection": "paddleboard"}, {"mutex_answer": "rowing boat", "mutex_caption": "a person and a dog on a rowing boat with an oar", "mutex_detection": "rowing boat"}], "caption": "a person and a dog on a surfboard with an oar", "image_id": 437494, "detection": "surfboard", "boxes": [[215.73, 265.02, 195.24, 26.97]], "id": 662, "file_name": "COCO_val2014_000000437494.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000437494.jpg", "flickr_url": "http://farm5.staticflickr.com/4097/4783948261_9c1f5284b6_z.jpg", "license": 1, "height": 480, "width": 640}