text: {"answer": "bench", "query": "What are the people sitting on?", "question_id": 337619005, "contrast_sets": [{"mutex_answer": "fence", "mutex_caption": "Two people sitting on a fence looking out at city.", "mutex_detection": "fence"}, {"mutex_answer": "tree", "mutex_caption": "Two people sitting on a tree looking out at city.", "mutex_detection": "tree"}, {"mutex_answer": "bike rack", "mutex_caption": "Two people sitting on a bike rack looking out at city.", "mutex_detection": "bike rack"}, {"mutex_answer": "stone", "mutex_caption": "Two people sitting on a stone looking out at city.", "mutex_detection": "stone"}], "caption": "Two people sitting on a bench looking out at city.", "image_id": 337619, "detection": "bench", "boxes": [[226.29, 243.43, 233.96, 96.4]], "id": 1250, "file_name": "COCO_val2014_000000337619.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000337619.jpg", "flickr_url": "http://farm3.staticflickr.com/2233/2521379580_163bc86cfb_z.jpg", "license": 4, "height": 424, "width": 640}