Problem: M: Well...it starts at six thirty, and will lasts three hours. What was said before this conversation?

A: F: When will the concert finish?
Problem: Given the question: M: Well. I'm looking for something I saw at a friend's house a few days ago. W: What is it? M: It's a light metal shelf. W: You're in the right department, but we don't have them in stock now. M: Oh, that's too bad. Are you going to be getting more? W: They're on order, but I should warn you that the price has gone up. M: Just my luck. W: They were $12.50, but the new ones will be about three dollars more. Come in next week. We should have them by then. M: OK. I will be back. Thank you. What was said before this conversation?
++++++++++++++++++++++++++++++++
The answer is:
W: Can I help you?
input question: W: She's not available right now. Would you like to try around three? What was said before this conversation????
output answer: M: Could I speak to Dr. Chen? She told me to call her today.
W: "Big Apple"? What do you mean? M: "Big Apple" is the nickname for New York City. Are you going to New York with us, or aren't you? W: Yes, I'm going. I'm especially looking forward to visiting a special show on modern American painters there. But tell me, where did the nickname come from? M: Some of the musicians of the 20s gave it the name. When they played a concert in New York in the 1920s, the musicians called it the "Big Apple". W: Amazing. New York is such an interesting place and it even has an interesting nickname. What was said before this conversation?
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Answer: M: Are you ready for the trip to the "Big Apple"?
Q: M: I still have a headache, but my temperature has gone down. What was said before this conversation?
A: W: How do you feel today?
[Q]: W: Hi, how are you? M: Fine. And I've got some great news for you. W: Really? What's it about? M: I remember you are interested in watching golf games. The Houston Open will be running from May 26 to May 30. I'm sure you will be glad to watch the game. W: Oh, that's great. But just a moment, let me check. Ah... It is a pity that I can't make it. I will be on business in China from May 25 to June 2. M: Well, I'm sorry you have to be away on business then. Let me see. Another game, the US Open will be running from July 15 to July 18. How about that? W: That's great. I will be on my holiday then. It would be wonderful if we could watch the game together. What was said before this conversation?
****
[A]:
M: Hello, Jane. This is Peter speaking.