text: {"answer": "horse", "query": "What animal is in this  photo?", "question_id": 519728002, "contrast_sets": [{"mutex_answer": "pony", "mutex_caption": "A pony and a dog inside a fenced in field of grass.", "mutex_detection": "pony"}], "caption": "A horse and a dog inside a fenced in field of grass.", "image_id": 519728, "detection": "horse", "boxes": [[301.45, 185.24, 240.46, 258.88]], "id": 986, "file_name": "COCO_val2014_000000519728.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000519728.jpg", "flickr_url": "http://farm9.staticflickr.com/8395/8917904465_22c384413b_z.jpg", "license": 6, "height": 512, "width": 640}