text: {"answer": "blue and yellow", "query": "What color is the train?", "question_id": 158950011, "contrast_sets": [{"mutex_answer": "blue, yellow and black", "mutex_caption": "A blue, yellow and black and yellow train progressing on a track."}], "caption": "A blue and yellow train progressing on a track.", "image_id": 158950, "id": 567, "file_name": "COCO_val2014_000000158950.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000158950.jpg", "flickr_url": "http://farm9.staticflickr.com/8543/8637408356_161750da38_z.jpg", "license": 3, "height": 420, "width": 640}