input: Please answer the following: W: Take Bus No. 13 and get off at Prince Street stop.  M: Can you tell me where I can buy such kind of shirt?  W: Oh, that's easy. There's a man's shop just around the corner.  M: Thank you.  What was said before this conversation?
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output: M: Excuse me. How can I get to the Prince Street?


input: Please answer the following: W: Yes, I went to Sydney four years ago, on vacation.  What was said before this conversation?
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output: M: Susan, I went to Australia to see my daughter last year. I stayed there for two weeks. Have you ever been there?


input: Please answer the following: B: Hi, Diana, what's wrong?  A: We were going to Hong Kong this weekend, but I'm afraid I can't go.  B: How come?  A: I have a really big geography test and I have to study for it.  B: We can go next week instead.  A: No, I don't want to ruin your weekend. You go ahead and please take the book I bought to my friend Sally. Tell her I have to study all weekend, because I can't afford to fail the test.  B: Ok, then I'll go with Dan. But it's a pity you can't come.  What was said before this conversation?
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output: A: Hey, Peter, I'm sorry!


input: Please answer the following: W: Her grades on the coming exams will fall for sure. It's high time we talk(ed) some sense to her.  What was said before this conversation?
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output:
M: I'm getting worried about Jenny's school work. All she talks about these days is volleyball games and all she does is practice, training and things like that.