Problem: Given the question: M: No. The downtown library doesn't even open on Sundays. I'd rather go tomorrow so I can check out some new books for myself. What was said before this conversation?
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The answer is:
W: I need to return these library books today. Do you want to come with me?

Problem: Given the question: W: Hello, Steve! This is Linda. Jenny isn't at home at the moment. What was said before this conversation?
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The answer is:
M: Hello. This is Steve. May I speak to Jenny?

Problem: Given the question: W: I think yesterday was Jim's birthday. What was said before this conversation?
++++++++++++++++++++++++++++++++
The answer is:
M: Why did Mary give Jim flowers?