answer: Celia thinks her trip to the US was terrific. #Person1# asks about the details.
documents: #Person1#: Hi, Celia! How was your trip to the United States?
  #Person2#: It was terrific. I really enjoyed it.
  #Person1#: Great. How long were you away?
  #Person2#: I was there for about three weeks.
  #Person1#: That's a long time! Was the weather OK?
  #Person2#: Yes, most of the time. But it snowed a lot in Chicago.
  #Person1#: So, what was the best thing about your trip?
  #Person2#: Oh, that's difficult to say. But I guess I liked Nashville the best.