input: Please answer the following: M: No problem. I'll save you the cost of a taxi by dropping you off at the train station on my way to work. What was said before this conversation?
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output: W: I've planned to go to Washington this afternoon, but I'm too tired to drive and the bus is so uncomfortable.

input: Please answer the following: W: Yeah, I can tell. Well, I guess it's pretty obvious what you'll be doing most of today. What was said before this conversation?
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output: M: Forgive the mess in here, we had a party last night. There were a lot of people and they all brought food.

input: Please answer the following: W: Please stop for some food on your way home, if you have time. What was said before this conversation?
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output: M: After having my hair cut, I'll go to the library.

input: Please answer the following: W: From 10 to 4 o'clock, Monday through Thursday. On Fridays we're open until 5. We're closed on Saturdays and Sundays. What was said before this conversation?
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output:
M: What are your banking hours?