Please answer this: W: Why didn't you tell me? It's five years since I last saw it. What was said before this conversation?
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Answer: M: I just went to watch the sunrise at the seaside.
Problem: M: I'm looking for a jacket for my son. W: Come with me, please. Here are jackets for boys. M: The black one is nice. How much is it? W: Twenty five pounds. M: Oh, I'm afraid it's too expensive. W: What about the blue one over there? It looks nice, too. And it's cheaper. M: But it's a bit small. Have you a bigger size? W: Sorry, we haven't. But we'll get some soon. Will you come next week? M: All right. I'll come again. What was said before this conversation?

A: W: What can I do for you, sir?
Problem: Given the question: M: We are having a party. I am the host and my wife is the hostess. W: Are they your guests? M: Yes, they are. They are all my friends. W: Who is that man? M: He is Professor Zhang. He is a Chinese teacher. His wife is a teacher, too. Their daughter is a college student. W: Who is that young man? M: He is her boyfriend. He is a young doctor. His name is Karl Black. What was said before this conversation?
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The answer is:
W: There are so many people in your house. What are they doing?
input question: W: It opens from 8:30 a.m. to 6:30 p.m. from Monday to Friday, and opens from 9:30 a.m. to 3:30 p.m. on Saturday and Sunday. What was said before this conversation????
output answer: M: When will the bank open?
M: Bye. But where are you going? W: The bank, the supermarket and... M: Will you buy an exercise book for me? W: I guess so. But I'll go to the post office first before I go to the supermarket. M: Can you also buy me a pen? The one you gave me last week doesn't work now. W: How come? M: It fell off the desk and was broken. W: Can you be more careful with your things? M: Ok. Oh. Can you wait a second? W: What for? M: You are going to the post office, right? W: Yes, so what? M: Here's a letter for Sam. Can you post it? What was said before this conversation?
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Answer: W: Bye for now.
Q: F: I'm afraid not. What was said before this conversation?
A:
M: Did you remember to get the bread?