[Q]: M: Er, I'm not quite sure. I just know some. W: For example? M: Mmm..., Mother's Day, National Day, Thanksgiving Day, Christmas Day, New Year's Day, and Valentine's Day. W: Not bad. When does its National Day come? And the Valentine's Day? M: The National Day comes on July 4th and the latter on February 14th. W: Talking of the National Day, who is the Father of the state? Benjamin Franklin or George Washington? M: George Washington, of course. W: Besides Washington, who else is regarded as a great president? M: Abraham Lincoln, I'm one hundred per cent sure. What was said before this conversation?
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[A]: W: How many holidays do you have in the U.S.?
input: Please answer the following: M: No, not at all. It takes about a quarter of one hour on foot. What was said before this conversation?
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output: W: Is it far from here to the post office?
Please answer this: W: That's okay, I can manage. They look big, but aren't very heavy actually. What was said before this conversation?
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Answer: M: Are you moving into a new house? Need a hand with those boxes?
Problem: W: Yes, but not by the place you recommended M: Why not? The repair is very good and thecharges are so reasonable. W: That may be, but I couldn't find it. M: But you couldn't miss it. I told you the first right after the railroad bridge. W: I took that. I went to the end of the road. There is no such a place. M: Wait a minute. Perhaps it is the second right. Yes. I think it is. W: I should have known. Whenever someone says "You can't miss it", you can be sure that you won't find it. M: I'm really sorry for my bad memory. W: That's OK. What was said before this conversation?

A: M: Did you have your television repaired?
Problem: Given the question: W: I don't know what's the matter with me? I'm always feeling tired, I'm usually worn out at the end of the day. What was said before this conversation?
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The answer is:
M: Hello, Mrs. White, what can I do for you?
Problem: W: If I were you, I stick with it. It's definitely worth time and effort. What was said before this conversation?

A:
M: I am considering dropping my dancing class. I am not making any progress.