input: Please answer the following: M: OK, Mummy. W: And please bring your books. M: Oh, do I have to? W: I won't let you be lazy. What was said before this conversation?
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output: W: Will you please come here, John?

input: Please answer the following: W: There are 15 pounds each, but student tickets are half price. M: Could I have two students' tickets please? What was said before this conversation?
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output: M: How much are the tickets?

input: Please answer the following: M: Thanks. It's a birthday gift from my wife. W: It goes so well with your shirt. M: I was thinking of giving my father a wallet or a book on his birthday. But it seems that a tie is a better choice. What was said before this conversation?
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output: W: What a fantastic tie you've got, Adam!

input: Please answer the following: W: I usually fly to the North during this time. What was said before this conversation?
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output:
M: I wish I could get used to this terrible weather.