M: Thank you, but I don't eat shellfish. I'm allergic to it. What was said before this conversation?
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Answer: W: May I make a recommendation, sir? Our seafood with this special sauce is very good.

W: My pleasure. It's on the second floor. What was said before this conversation?
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Answer: M: Excuse me. I have an appointment with Mr. Li, your manager. Can you tell me where his office is?

M: I'm not sure. My dad says I should work in information technology. You know something with computers. W: Is that what your dad does? M: Not really. He is an engineer. W: How about you? What are you interested in doing? M: Well. I'm interested in medicine. I'd love to be a doctor. W: Yeah, what subject are you good at? M: Math is my best subject. And I'm also pretty good at science. What was said before this conversation?
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Answer:
W: So what do you think you are going to do when you graduate, John?