text: {"answer": "umbrella", "query": "What is the person holding?", "question_id": 432419000, "contrast_sets": [{"mutex_answer": "book", "mutex_caption": "A woman walking on a rocky river bank with a black book.", "mutex_detection": "book"}, {"mutex_answer": "raincoat", "mutex_caption": "A woman walking on a rocky river bank with a black raincoat.", "mutex_detection": "raincoat"}, {"mutex_answer": "book and umbrella", "mutex_caption": "A woman walking on a rocky river bank with a black book and umbrella."}, {"mutex_answer": "purse and umbrella", "mutex_caption": "A woman walking on a rocky river bank with a black purse and umbrella."}, {"mutex_answer": "bag", "mutex_caption": "A woman walking on a rocky river bank with a black bag.", "mutex_detection": "bag"}], "caption": "A woman walking on a rocky river bank with a black umbrella.", "image_id": 432419, "detection": "umbrella", "boxes": [[137.72, 157.94, 81.7, 58.98]], "id": 957, "file_name": "COCO_val2014_000000432419.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000432419.jpg", "flickr_url": "http://farm8.staticflickr.com/7450/9290535349_a956c61107_z.jpg", "license": 3, "height": 427, "width": 640}