{"answers": "B", "options": ["f : you need to return me 3 pounds .", "f : i will pay you the extra 3 pounds then .", "f : it is 5 pounds cheaper .", "f : could you pay me 8 pounds ?"], "article": "f : excuse me . the skirt i bought yesterday was too small for my mom . could i please exchange it for a medium size ? m : well , the small size is 25 pounds , while the medium one is 28 pounds .", "id": "train_4329"}