text: {"answer": "train", "query": "What is here on the tracks?", "question_id": 59009000, "contrast_sets": [{"mutex_answer": "car", "mutex_caption": "A car is traveling down the railroad tracks. ", "mutex_detection": "car"}, {"mutex_answer": "trolley", "mutex_caption": "A trolley is traveling down the railroad tracks. ", "mutex_detection": "trolley"}, {"mutex_answer": "cable car", "mutex_caption": "A cable car is traveling down the railroad tracks. ", "mutex_detection": "cable car"}], "caption": "A train is traveling down the railroad tracks. ", "image_id": 59009, "detection": "train", "boxes": [[143.82, 286.52, 121.35, 182.02]], "id": 330, "file_name": "COCO_val2014_000000059009.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000059009.jpg", "flickr_url": "http://farm4.staticflickr.com/3077/2434518815_c997ffe99c_z.jpg", "license": 5, "height": 500, "width": 333}