text: {"answer": "horse", "query": "What type of animal is seen?", "question_id": 156834004, "contrast_sets": [{"mutex_answer": "pony", "mutex_caption": "A female wearing a helmet is riding a pony down a street with stone buildings behind her.", "mutex_detection": "pony"}, {"mutex_answer": "elk", "mutex_caption": "A female wearing a helmet is riding an elk down a street with stone buildings behind her.", "mutex_detection": "elk"}], "caption": "A female wearing a helmet is riding a horse down a street with stone buildings behind her.", "image_id": 156834, "detection": "horse", "boxes": [[240.59, 187.33, 200.18, 167.13]], "id": 1289, "file_name": "COCO_val2014_000000156834.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000156834.jpg", "flickr_url": "http://farm4.staticflickr.com/3340/3224651359_1b239c9bb7_z.jpg", "license": 3, "height": 427, "width": 640}