{"answers": "A", "options": ["f : okay . let 's exchange seat , so that you can sit next to your old friend . have a good time .", "f : of course . although 8b is my seat , you can sit here if you want to sit next a window .", "f : no problem . you can exchange seat , if you would like to sit next to your new friend .", "f : you can exchange seat if you want to take care of the woman . my seat is 8b ."], "article": "f : excuse me ? i think you are in my seat . look , it says 9b on my boarding card . m : sorry , but could we exchange seats ? this is my old friend . we have n't seen each other for a long time . i really want to sit next to him .", "id": "train_3421"}