text: {"answer": "dog bed", "query": "What is the dog laying on?", "question_id": 473888000, "contrast_sets": [{"mutex_answer": "ottoman", "mutex_caption": "A small dog laying down in an ottoman.", "mutex_detection": "ottoman"}], "caption": "A small dog laying down in a pet bed.", "image_id": 473888, "detection": "bed", "boxes": [[2.5, 62.5, 636.25, 407.5]], "id": 725, "file_name": "COCO_val2014_000000473888.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000473888.jpg", "flickr_url": "http://farm1.staticflickr.com/27/64351557_3cbab7f6fd_z.jpg", "license": 3, "height": 480, "width": 640}