text: {"answer": "olives", "query": "What are the black items on the pizza?", "question_id": 501858001, "contrast_sets": [{"mutex_answer": "mushrooms", "mutex_caption": "There is a pizza with cheese and mushrooms on it."}, {"mutex_answer": "raisins", "mutex_caption": "There is a pizza with cheese and raisins on it."}], "caption": "There is a pizza with cheese and olives on it.", "image_id": 501858, "id": 57, "file_name": "COCO_val2014_000000501858.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000501858.jpg", "flickr_url": "http://farm8.staticflickr.com/7269/7523279224_81285f9a8d_z.jpg", "license": 3, "height": 467, "width": 640}