text: {"answer": "train", "query": "What kind of transportation is shown?", "question_id": 415530001, "contrast_sets": [{"mutex_answer": "trolley", "mutex_caption": "Two trolleys traveling down a street lined with tall buildings.", "mutex_detection": "trolley"}], "caption": "Two trains traveling down a street lined with tall buildings.", "image_id": 415530, "detection": "train", "boxes": [[142.01, 282.11, 396.3, 108.43], [542.97, 304.16, 86.48, 80.71]], "id": 369, "file_name": "COCO_val2014_000000415530.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000415530.jpg", "flickr_url": "http://farm3.staticflickr.com/2859/9806173263_e10968f35f_z.jpg", "license": 1, "height": 427, "width": 640}