text: {"answer": "stop", "query": "What does the sign say at the top?", "question_id": 515670003, "contrast_sets": [{"mutex_answer": "do not block", "mutex_caption": "a large piece of paper on a refrigerator saying do not block. "}], "caption": "a large piece of paper on a refrigerator saying stop. ", "image_id": 515670, "id": 630, "file_name": "COCO_val2014_000000515670.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000515670.jpg", "flickr_url": "http://farm3.staticflickr.com/2553/3955062523_f2e26b2730_z.jpg", "license": 5, "height": 480, "width": 640}