answer: #Person2# likes table tennis. #Person1# likes swimming and skating. #Person2# requests #Person1# to teach #Person2# to skate.
documents: #Person1#: What's your favourite game?
  #Person2#: I like to play table tennis. How about you?
  #Person1#: I like swimming and skating.
  #Person2#: Isn't it hard to learn skating?
  #Person1#: No, what you need is balance.
  #Person2#: Could you teach me how to do it?
  #Person1#: Sure, anytime when you are free.
  #Person2#: Do I have to buy a pair of skates?
  #Person1#: I don't think it's necessary. Why not rent them?