M: Are you? May I join you? What was said before this conversation?
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Answer: F: We are going to visit the flower exhibition tomorrow.

M: Sure. They represent the latest technology. Actually, We sell nothing but the best. What was said before this conversation?
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Answer: W: Are these TV sets the newest models?

M: Well, I would have liked to buy the blue one, but it was 20 dollars. So I bought another one instead and saved $5. What was said before this conversation?
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Answer:
W: Which cap did you finally decide to buy?