Problem: M: Well, I'm not sure. It will cost a lot of money and take a lot of time. Are you doing it just to fit in with everyone else? W: No, that's not the reason. I think their houses look nice with gardens. And I think ours would look better,too. M: Okay. If that's how you feel, we can go down to the local garden center and pick out some things. What kind of flowers would you like to plant? I like yellow ones and purple ones. W: I'm not quite sure. Id like to look at some different kinds. I love pink,so td want to choose some flowers in that color. I'm determined to make our home look pretty. What was said before this conversation?

A: W: I'd like to plant some flowers and bushes in the front and back yards. I noticed the other day that we are the only people on our street that don't have a garden.
Problem: Given the question: W: This evening. M: How are you getting there, by air or by train? W: By train. It leaves at 5:00 and arrives in Beijing at 7:10 tomorrow morning. M: Oh, only 14 hours. Is anybody seeing you off this evening? W: Yes, my parents are going with me to the station to see me off. M: That's good! How long are you staying in Beijing for your holiday? W: Only four days. Well, I must be off now. See you when I get back. M: OK. Good luck and have a good trip! W: Thanks. Goodbye! What was said before this conversation?
++++++++++++++++++++++++++++++++
The answer is:
M: Hello, Lucy. When are you going off to Beijing?
input question: M: My home number is 5563457, and my office number is 5356876. What was said before this conversation????
output answer: F: May I have your phone number please?
W: The one Prof. Lee uses inhis course. M: Oh, I see. You'd better have it if you want to pass that course. W: But it costs $30. I simply can't afford it. M: Did you check the used booksection here? Maybe they have it. W: No, they don't. I asked. M: Why don't you get it fromthe library? W: I've been trying for months, and it's always out. There are over 50 students in the course, and every single one wants the book. M: Listen, you know my roommate Henry, don't you? He took the same course last year, and I remember he owns a copy. Ican borrow it from him for you. W: Oh, that'll be great! Thankyou, Jim! What was said before this conversation?
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Answer: M: What's that book you just picked up, Mary?
Q: M: I can't promise anything, but I'll do my best. W: I'll pay more if we get there on time. M: But safety is more important. What was said before this conversation?
A: W: Kennedy Airport, please. I have to be there by 7:00.
[Q]: W: In that case, you won't miss any courses tomorrow morning then. What was said before this conversation?
****
[A]:
M: I'm going to take a blood test at 7:45 tomorrow morning.