input: Please answer the following: W: Maybe there'll just be too many of them on the roads. The air will be so seriously polluted that nobody will be able to breathe. M: Exactly. People will have to rely on trains. W: Why do you say that? M: Well, we won't be able to use cars, and airports take up too much space. That leaves trains. W: Huh. So do you think there'll be more efficient train systems between cities? M: Sure. They'll enable people to travel between cities in a matter of hours. There may even be trains going under the oceans to connect the main continents. W: Under the oceans? Oh, no! I get nervous enough flying on a plane. What was said before this conversation?
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output: M: The traffic is becoming worse and worse. I think there'll be huge changes in the ways people use cars. New laws will be made about what kind of car you can own and when you can drive.
Please answer this: W: OK, send him toward 3. What was said before this conversation?
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Answer: M: Hello, this is doctor Marita from the emergency department. I have a 70-year-old patient with a fractured ankle.
Problem: W: Hi, Robert, I'm glad to see you here, too. M: Your bike is so beautiful. Where was it made? W: In China. What was said before this conversation?

A: M: Hi, Mary. Very glad to see you here.
Problem: Given the question: W: I'd like to report a robbery. It's my ear. It's been stolen. What was said before this conversation?
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The answer is:
M: Yes, madam. What seems to be the problem?
input question: M: Oh good, then he does have his car. What was said before this conversation????
output answer: W: Mike said he can give us a ride to the game.
input question: W: Oh, yeah, please ask him to give me a call when he gets back. What was said before this conversation????
output answer:
M: I am afraid Peter won't be back until 12:00. Shall I take a message for him?