text: {"answer": "bike", "query": "What is the man holding?", "question_id": 503467002, "contrast_sets": [{"mutex_answer": "camera", "mutex_caption": "a person on the street with a camera moving"}, {"mutex_answer": "bag", "mutex_caption": "a person on the street with a bag moving"}, {"mutex_answer": "cigarette", "mutex_caption": "a person on the street with a cigarette moving"}, {"mutex_answer": "leash", "mutex_caption": "a person on the street with a leash moving"}, {"mutex_answer": "stick", "mutex_caption": "a person on the street with a stick moving"}], "caption": "a person on the street with a bike moving", "image_id": 503467, "id": 606, "file_name": "COCO_val2014_000000503467.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000503467.jpg", "flickr_url": "http://farm1.staticflickr.com/7/7609969_ed1dda1ba7_z.jpg", "license": 1, "height": 345, "width": 500}