text: {"answer": "mushrooms", "query": "What is the black stuff on the pizza?", "question_id": 549885001, "contrast_sets": [{"mutex_answer": "sausage", "mutex_caption": "sausage pizza with cheese and thick crust on wood board."}, {"mutex_answer": "hollandaise", "mutex_caption": "hollandaise pizza with cheese and thick crust on wood board."}], "caption": "Mushroom pizza with cheese and thick crust on wood board.", "image_id": 549885, "id": 468, "file_name": "COCO_val2014_000000549885.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000549885.jpg", "flickr_url": "http://farm8.staticflickr.com/7162/6844750415_d3024174bf_z.jpg", "license": 2, "height": 480, "width": 640}