answer: Jane says she has no hobbies. #Person1# likes collecting antiques and says #Person1#'s most expensive collection is a set of ancient china.
documents: #Person1#: Hello, Jane. What do you do in your spare time?
  #Person2#: Well, nothing special, reading, watching TV, walking, and so on.
  #Person1#: Don't you have any hobbies, like stamp collecting or things like that?
  #Person2#: No, I don't have any hobbies. How about you?
  #Person1#: I like collecting antiques. It's expensive, but it's a lot of fun.
  #Person2#: Really? How many collections do you have?
  #Person1#: So far I have more than 500 collections.
  #Person2#: Among those collections, which is the most expensive?
  #Person1#: A set of ancient china. It is really invaluable.