text: {"answer": "stopping", "query": "Is the train stopping or leaving?", "question_id": 143891001, "contrast_sets": [{"mutex_answer": "arriving", "mutex_caption": "A commuter train arriving at a train stop."}, {"mutex_answer": "leaving", "mutex_caption": "A commuter train leaving a train stop."}], "caption": "A commuter train stopped at a train stop.", "image_id": 143891, "id": 1008, "file_name": "COCO_val2014_000000143891.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000143891.jpg", "flickr_url": "http://farm9.staticflickr.com/8393/8620998539_568a6458f7_z.jpg", "license": 3, "height": 640, "width": 478}