input: Please answer the following: W: It is really not my cup of tea. Too modern and unusual. M: But look at the colors and forms. Very imaginative. W: Maybe. I prefer a painting showing a view of the countryside. What was said before this conversation?
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output: M: What do you think of this one?

input: Please answer the following: M: It was delayed because the teacher had a meeting. What was said before this conversation?
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output: W: Aren't we supposed to have a science test this afternoon?

input: Please answer the following: M: Yeah. The price is 14, but I've only got 9. W: I've got 7 and I'll lend you the rest. What was said before this conversation?
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output: W: You want to buy this dictionary,right?

input: Please answer the following: W: Did he suggest reducing weight, too? What was said before this conversation?
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output:
M: The doctor said if I kept smoking, I would increase my chances of having a heart attack.