answer: #Person2# wants a new shaver with high quality and reasonable price. #Person1# recommends Flymo and offers a warranty. #Person2#'ll take one.
documents: #Person1#: Good afternoon, sir. Can I help you?
  #Person2#: Good afternoon, I want to pick up a new shaver since the old one has retired.
  #Person1#: Which brand are you interested in?
  #Person2#: I'm still not sure. The type with top quality, I guess. Well, which one do you recommend?
  #Person1#: Do you prefer imported ones or domestic ones?
  #Person2#: It doesn't matter much. If it has high quality and reasonable price, it will be OK.
  #Person1#: How about Flymo? It's selling well.
  #Person2#: Do you have a warranty on it?
  #Person1#: Of course. The warranty period is one year.
  #Person2#: If there's something wrong with it in a week, can I come back to change it?
  #Person1#: Sure. But you must show us the receipt. If something comes up, we'll change it for you.
  #Person2#: OK. I'll take one.