[Q]: W: My mother gave me a recipe. What was said before this conversation?
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[A]: M: Can you tell me how to make vegetable soup?
input: Please answer the following: M: No, it is the most common form of cancer. What was said before this conversation?
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output: W: Some people claim that skin cancer is nothing to worry about. Are they right?
Please answer this: W: Sure. I need to return some books. They are due today. Besides, I can also read some weekly publications, magazines and newspapers. M: Great. We can go to the swimming pool in the gymnasium after that. W: Sounds a good idea. Summer is approaching. Today's temperature has reached 35 degree Centigrade. Are you good at swimming? M: Well, that's a good question. I haven't swum for almost two years. I think I need more practice. W: Oh, it's almost 9. I need to hurry. I am running late now. See you after class at the gate of the library then. Bye! M: See you then. What was said before this conversation?
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Answer: M: Hi, Jenny. We will have our midterm exams next month. I plan to look for some important books and study at the library. Do you want to join me?
Problem: W: Would you please sign this contract, sir? M: Here you go. W: Thanks. Is there anything I can do for you, sir? M: No, not for now...Oh, yes, there's one thing. I almost forgot. W: What is it, sir? M: Please help me book an air ticket to France. W: When would you like to leave. sir? M: Better next Monday morning. W: First class or economy class? M: First class. W: Do you need a hotel reservation? M: Yes, please. I will stay there for two nights. W: Yes, sir. What was said before this conversation?

A: M: Yes, come in please, Susan.
Problem: Given the question: M: Why don't you take the bus, Sylvia? That's what I always do when I fly. W: Okay, but I don't know anything about the bus service here. M: Well, let me ask you-have you ever heard of "Fast Pass"? W: No, not until now. Is that a bus line? M: Yes, it is. It will take you straight to your terminal at O'Hare. W: That sounds like what I need. Do you know how much it costs? M: The last time I took it, it was $30 one-way. Let me see if I have their card in my wallet. Yes, here it is. You should call 1-800-500-5500 to reserve a seat. W: So, do I have to make a reservation? M: No, you don't have to, you know. But it's better if you do. That way you can make sure you've got a seat. They're pretty crowded at times, especially around holidays. W: Uh, I think you said 1-800-500-5500, right? I'll give them a call. Thanks a lot, Tyler. What was said before this conversation?
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The answer is:
W: Tyler, do you know of an easy way to the airport? I'm flying home for Christmas.
Problem: M: Mr. John Thomas. Room 13, please. W: I'll put you through. Oh, sorry. Mr. Thomas isn't in at the moment. M: Can I leave a message? W: Certainly. M: Have him call Max Green at 6:00. It's important. What was said before this conversation?

A:
W: Hilton Hotel. May I help you?