answer: Tina invites Sam to go skating and offers to teach him. Sam agrees.
documents: #Person1#: Good afternoon, Sam. 
  #Person2#: Good afternoon, Tina. 
  #Person1#: What are you going to do tomorrow? 
  #Person2#: I'm not sure yet. And you? 
  #Person1#: I would like to go skating. Feel like going with me? 
  #Person2#: Is skating interesting? 
  #Person1#: I think so. Fresh air, white snow. It's so comfortable. 
  #Person2#: But I can't skate well. 
  #Person1#: It doesn't matter, I can teach you. 
  #Person2#: It's very kind of you.