text: {"answer": "green", "query": "What color is the grass?", "question_id": 399957002, "contrast_sets": [{"mutex_answer": "yellow", "mutex_caption": "The baby lamb is standing on yellow grass."}, {"mutex_answer": "white", "mutex_caption": "The baby lamb is standing on white grass."}, {"mutex_answer": "brown", "mutex_caption": "The baby lamb is standing on brown grass."}, {"mutex_answer": "blue", "mutex_caption": "The baby lamb is standing on blue grass."}, {"mutex_answer": "green and gray", "mutex_caption": "The baby lamb is standing on green and gray grass."}], "caption": "The baby lamb is standing on green grass.", "image_id": 399957, "id": 133, "file_name": "COCO_val2014_000000399957.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000399957.jpg", "flickr_url": "http://farm5.staticflickr.com/4068/4652633334_0500e39ca2_z.jpg", "license": 1, "height": 445, "width": 640}