text: {"answer": "camera", "query": "What is attached to the helmet?", "question_id": 491215000, "contrast_sets": [{"mutex_answer": "snowboard", "mutex_caption": "A snowboarder snowboarding in a green jersey with a snowboard on his head."}, {"mutex_answer": "strap", "mutex_caption": "A snowboarder snowboarding in a green jersey with a strap on his head."}, {"mutex_answer": "handle", "mutex_caption": "A snowboarder snowboarding in a green jersey with a handle on his head."}, {"mutex_answer": "headrest", "mutex_caption": "A snowboarder snowboarding in a green jersey with a headrest on his head."}, {"mutex_answer": "person", "mutex_caption": "A snowboarder snowboarding in a green jersey with a person on his head."}], "caption": "A snowboarder snowboarding in a green jersey with a camera on his head.", "image_id": 491215, "id": 287, "file_name": "COCO_val2014_000000491215.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000491215.jpg", "flickr_url": "http://farm8.staticflickr.com/7191/6814946186_c6a39851c2_z.jpg", "license": 2, "height": 640, "width": 574}