text: {"answer": "bus", "query": "Where is the boy sitting on?", "question_id": 435562000, "contrast_sets": [{"mutex_answer": "train", "mutex_caption": "A young boy sitting on a seat on a train."}, {"mutex_answer": "plane", "mutex_caption": "A young boy sitting on a seat on a plane."}], "caption": "A young boy sitting on a seat on a bus.", "image_id": 435562, "id": 491, "file_name": "COCO_val2014_000000435562.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000435562.jpg", "flickr_url": "http://farm4.staticflickr.com/3061/3060596228_07db73dc12_z.jpg", "license": 5, "height": 640, "width": 426}