input: Please answer the following: W: I have $16. Would you like to borrow it? What was said before this conversation?
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output: M: The radio costs $40, but I only have $30.

input: Please answer the following: W: Well, I would have liked to buy the blue one, but it was 50 dollar So I bought another one instead and saved 10 dollars. What was said before this conversation?
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output: M: Which cap did you finally decide to buy?

input: Please answer the following: W: No, Bob does. What was said before this conversation?
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output: M: Does John have your suitcase?

input: Please answer the following: W: Well, yes, I had a cigarette in the car on the way home. M: You know how I feel about your smoking. Please go and clean up right now! What was said before this conversation?
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output:
M: Phew!! Have you been smoking again? Your breath smells terrible.