text: {"answer": "brown", "query": "What color is this horse?", "question_id": 518836001, "contrast_sets": [{"mutex_answer": "tan", "mutex_caption": "A tan horse standing on a lush green field."}, {"mutex_answer": "brown and tan", "mutex_caption": "A brown and tan horse standing on a lush green field."}, {"mutex_answer": "beige", "mutex_caption": "A beige horse standing on a lush green field."}], "caption": "A brown horse standing on a lush green field.", "image_id": 518836, "id": 27, "file_name": "COCO_val2014_000000518836.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000518836.jpg", "flickr_url": "http://farm9.staticflickr.com/8476/8124445515_12fd44c5f9_z.jpg", "license": 5, "height": 480, "width": 640}