input: Please answer the following: W: Certainly, in fact he was the first person I got to know in my class. Istill remember the look on his face when he showed up late on the first day ofschool. What was said before this conversation?
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output: M: Do you know James? He's in your class.

input: Please answer the following: M: How long has this been going on? W: It started yesterday. M: You've been studying too much recently. W: I have no other choice. Next month will be the most important exam of this term. M: I can understand that. But anyway, you should take better care of yourself. W: What should I do now? M: I think you should stay in bed for a little while and I will call the doctor. W: It's very kind of you. Thank you very much. What was said before this conversation?
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output: W: I keep feeling dizzy, and I've got a headache.

input: Please answer the following: M: OK, Ma'am. I'll have to weigh it first. All right, it's not over- weight. That's 5.5 yuan for overseas mail. W: That's not expensive. How long does it take for a letter to get to the U. S.? M: It all depends. It usually takes four or five days. W: That's wonderful. It used to take more than a week when I was staying here six years ago. Well, I want to register it. M: All right. It's probably take a little longer to get there though. W: Yes, I know. Well, please let me have a post office box. M: That's OK. Fill out this form, please. W: How much is the rent per month? M: It's 100 yuan per year. W: Here is the form and money. M: OK. Here is the key for you. The number is on it. Any more requests? W: No, Thank you. What was said before this conversation?
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output: W: I want to mail this letter overseas.

input: Please answer the following: M: I'd love to, but I've got an exam. W: What about tomorrow afternoon? M: Saturday is OK. What was said before this conversation?
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output:
W: Nike, why don't you come and join us this afternoon? It'll be a lot of fun.