text: {"answer": "stop ahead", "query": "What does the signs mean?", "question_id": 268049002, "contrast_sets": [{"mutex_answer": "do not enter", "mutex_caption": "A street pole with a street sign stating do not enter."}, {"mutex_answer": "no left turn", "mutex_caption": "A street pole with a street sign stating no left turn."}, {"mutex_answer": "no parking", "mutex_caption": "A street pole with a street sign stating no parking."}, {"mutex_answer": "pedestrian crossing", "mutex_caption": "A street pole with a street sign stating pedestrian crossing."}, {"mutex_answer": "speed limit", "mutex_caption": "A street pole with a street sign stating a speed limit."}], "caption": "A street pole with a street sign stating a stop sign ahead.", "image_id": 268049, "id": 763, "file_name": "COCO_val2014_000000268049.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000268049.jpg", "flickr_url": "http://farm4.staticflickr.com/3316/3543836768_c2af44d642_z.jpg", "license": 4, "height": 424, "width": 640}