input question: F: Customs. What was said before this conversation????
output answer: M: Excuse me, how do you say that word, C-U-S-T-O-M-S?

input question: M: I'm living in the countryside now. The air is cleaner, and I'm closer to the school. What was said before this conversation????
output answer: W: Did you move? I went over to your old house, but it was empty.

input question: M: I'm not going to bring an umbrella. It's beautiful outside! There aren't any clouds in the sky. I don't want to carry anything. What was said before this conversation????
output answer: W: Bring an umbrella with you to the baseball game! The weather report on the radio said it was going to rain today.

input question: M: Sorry, Madam. The airport is closed. Planes won't take off until tomorrow morning. W: What? Then where can we stay for the night? M: We've arranged the rooms for you in the airport hotel. Two passengers will share a room. W: Em, that's too bad. M: Any problem, Madam? W: Yes, I have a bad habit. I can't sleep without lights on. M: Oh, really? Just now a lady told me she had the same habit. What was said before this conversation????
output answer:
W: Excuse me. What's happened? What plane takes off tonight?