input question: M: I saw a boy riding his bicycle in the street. The bus driver tried to avoid biting him. He made a sudden turn and lost control the bus. What was said before this conversation????
output answer: W: Mr. Wilson, you said you saw the bus crash into the truck. Do you know what caused the accident?

input question: M: Yes. I'd like a dinner for two. And would you please send it to the room? W: Sure. Your room number, please? M: Room 5003. W: Ok. We'll get it ready in ten minutes. M: Thanks. By the way, was my room cleaned this morning? W: Yes. We clean all the rooms in the morning. Is there anything wrong? M: No, not really. Just that my wife can't find her watch anywhere. W: Just a minute. I'll go up and check it. What was said before this conversation????
output answer: W: Room service. Can I help you?

input question: M: Sounds good, but we really can't rent an apartment without seeing it first. What was said before this conversation????
output answer: W: I'm afraid I can't show you the apartment at the moment, because the tenant is still living in it. It's really a lovely place, with a big kitchen and a sunny window, for only two hundred dollars a month.

input question: W: I'm responsible for the editorials. What was said before this conversation????
output answer:
M: Mary is in charge of the art and music section; and Charles, the ports page. What about you?