input: Please answer the following: W: Yeah, I'm really excited, Jack. I'm going up to New York City for a couple of days. M: My roommate's going to New York, too. Are you driving? Maybe you two could ride together. W: No, I'm going to take a train to the Plain Station. I've already got my ticket. M: So what are you going to do in New York? W: I'm visiting a friend I met last summer at the music camp. I shared a camp with Laura and she's just moved to Manhattan. So I'm going up to see her new place. M: You two probably have a lot to talk about? Didn't you tell me you were from New York? W: No, I'm from California. I've never been to New York before. We are going to hear an opera at Lincoln Center on Saturday night. M: Wow, I wish I were going with you. What was said before this conversation?
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output: M: Hi, Kate. Have you any plans for the weekend?
Please answer this: M: Yes. Could you tell me the weather forecast for the following two days? W: Ok. Cloudy and rainy tomorrow with a high temperature of about 22 degree's. The day after tomorrow, windy and still rainy, with a high of about 23 degrees. M: Do you mean it's going to rain for the next two days? That's terrible. W: Anything else, please? M: No, thanks. What was said before this conversation?
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Answer: W: Shanghai Weather Service here. What can I do for you?
Problem: W: Late last night? That's strange. What did he look like? M: He seemed to be about thirty or so. W: Was he tall or short? M: He wasn't very tall, nor very short. About aver age height, I think. W: Was he fat or thin? M: A bit thin, if I remember correctly. Anyway, certainly not fat, but then he wasn't very thin either. W: Was there anything unusual about his looks? What kind of face did he have-round, square or long? M: Let me think...It was rather square, but not very. Or was it? Really, I didn't notice. It was so late and the lighting wasn't good. W: Was he wearing glasses? M: Was he or wasn't he? I'm not sure now. You see, I was so tired and sleepy. I didn't notice. I didn't pay much attention. What was said before this conversation?

A: M: Someone came late last night looking for you. I told him you were out and suggested that he leave a no te, but he didn't.
Problem: Given the question: M: Because I forgot to take an umbrella with me. What was said before this conversation?
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The answer is:
W: Why are you wet?
input question: W: I'm afraid not. I have to prepare for tomorrow's history test. What was said before this conversation????
output answer: M: Are you free later this evening?
input question: M: Leaving? Already? W: Yes. I've got to get up early tomorrow. M: Ok. Stop over again sometime. What was said before this conversation????
output answer:
W: It's ten o'clock. I'm going to have to be leaving.