{"answers": "B", "options": ["f : as your wish , we shall take the green ones .", "f : well , i can guess . dark blue is your favorite colour .", "f : you are right , yellow ones are the best .", "f : ok , i will buy this dark blue shirt for you ."], "article": "f : speaking of the window , we need these . how about yellow or green ? m : well , i suppose these dark blue ones are much better .", "id": "train_4516"}