text: {"answer": "riding", "query": "What is the man in blue doing on the cart?", "question_id": 286813000, "contrast_sets": [{"mutex_answer": "pushing", "mutex_caption": "A person in blue pushes a car attached to a horse around a track."}], "caption": "A person in blue rides a car attached to a horse around a track.", "image_id": 286813, "id": 877, "file_name": "COCO_val2014_000000286813.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000286813.jpg", "flickr_url": "http://farm9.staticflickr.com/8103/8494434246_8ed118b503_z.jpg", "license": 6, "height": 480, "width": 640}