input: Please answer the following: M: If I were you, Susan, I'd go on the picnic. W: Well, I really want to see this movie. M: You can always see the movie some other time. In any case, you agreed to go with Mary first. W: You're right, John. I'll ask Karen to find another time for the movie. Now maybe you can help me decide what food to fix for the picnic. Would it be better to cook food at home and take it with us, or could we cook something there? M: There may not be a place to cook. Besides, it's always easier to fix things in your own kitchen. What was said before this conversation?
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output: W: John, I'm supposed to go on a picnic tomorrow with Mary, but now Karen has asked me to go to a movie with her. I need your advice. What should I do?

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: W: It's a good job that we got here early. Look at all those cars there. They'll never get in. M: You'd better follow me closely. I don't want to lose you. W: Don't worry. I'll keep up. M: We go in over there. Gate B. Peter said they're pretty good tickets. W: Where are they? M: They're right behind the goal. W: Oh,do we have to stand up all the time? M: That's right. W: I hope we can see the match clearly. M: That's why we've come early. The earlier, the better. What was said before this conversation?
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output: M: It's lucky that we rode our bike here instead of driving.

input: Please answer the following: M: I don't know. He's pretty busy. What was said before this conversation?
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output:
W: Do you think he could help me change the water in the fish tank this week?