{"answers": "C", "options": ["f : you are welcome . which page has the teacher asked us to turn to ?", "f : you are welcome . please return all the books you borrowed before due date .", "f : all done . here is your library card .", "f : you are welcome . please go to the cashier of the bookstore to get your refund ."], "article": "f : what can i do for you ? m : i 'd like to return some books . f : i 'll take them . m : thanks . here are all of them .", "id": "train_6122"}