Problem: M: Don't worry. I'll be seeing Mr. Brown in an hour. What was said before this conversation?

A: W: What a memory I have! I did write down the number on a sheet of paper when I answered the phone this morning. But now the paper has disappeared without any trace.
Problem: Given the question: M: The weather report says another typhoon is forming in the western Pacific and is moving towards the mainland. W: That's why it's burning hot these days. By the way, will our city be hit by the typhoon? M: I'm afraid so. It will hit our city on its way towards the mainland. W: When will it arrive? M: It is expected to arrive here tomorrow evening. W: So we must be prepared for it. M: Yes. The government has warned the fishermen not to go fishing too far out to sea, and told all citizens not to stay out when the typhoon arrives. I'm afraid it will cause a serious damage. We'll have to be careful. What was said before this conversation?
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The answer is:
W: Why is it so hot these days?
input question: M: We were supposed to have a chemistry class but Mr. Anderson was out of town for a meeting, so we had a history lesson instead. What was said before this conversation????
output answer: W: What about your chemistry class this morning, Paul?
M: I don't really trust big advertisers, so... W: Oh, it's not like that. We're a small nonprofit organization, and we're hoping to save our local papers and all the jobs they create. M: Oh, that's an awesome cause! Fire away! W: Great. So, tell me what you like about newspapers. M: Well, there is a certain feel to holding a paper and turning the pages. The touch and sound of the paper as I fold it are so pleasant... A tablet can't give you this kind of feeling at all. W: Do you usually read the whole paper or go through different sections to pick out your favorite articles? M: I like being able to look around and find what I want. I can do this very quickly with a newspaper, but online news is tough for me to sort through. It takes me forever just to find something good, and sometimes when I do, it turns out to be something different! W: Do you dislike anything about your newspaper? M: Well, the only thing I can think of is all the ads nowadays. But it's even worse online, so I guess the answer is no! What was said before this conversation?
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Answer: W: Excuse me, sir. I notice you're reading a newspaper. Can I ask you some questions for a market research project?
Q: W: Yes, I'm packed, but not quite ready. I can't find my passport. M: Your passport? That's the one thing you mustn't leave behind. W: I know. I haven't lost it. I've packed it, but I can't remember which bag it's in. M: Well, you have to find it at the airport. Come on, the taxi is waiting. W: Did you say taxi? I thought we were going in your car. M: Yes, well, I have planned to, but I'll explain later. You've got to be there in an hour. W: The plane doesn't leave for two hours. Anyway, I'm ready to go now. M: Now, you're taking just one case, is that right? W: No, there is one in the hall as well. M: Gosh, what a lot of stuff! You're taking enough for a month instead of a week. W: Well, you can't depend on the weather. It might be cold. M: It's never cold in Rome. Certainly not in May. Come on, we really must go. W: Right, we're ready. We've got the bags. I'm sure there's no need to rush. M: There is. I asked the taxi driver to wait two minutes, not twenty. W: Look, I'm supposed to be going away to relax. You're making me nervous. M: Well, I want you to relax on holiday, but you can't relax yet. W: OK, I promise not to relax, at least not until we get to the airport and I find my passport. What was said before this conversation?
A: M: Mary, I hope you're packed and ready to leave.
[Q]: M: Not too bad. But I'm sure I made some mistakes in the science paper and maths paper. W: Me, too. The science paper was not easy this time, was it? M: It seems that our new science teacher likes to give us tough exams. W: I have the same feeling. He looks only 25 or so. M: Maybe he hopes to make us pay more attention to his lessons in this way. W: Really? M: Well. I'm only joking. What was said before this conversation?
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[A]:
W: How were your exams,Mike?