answer: #Person1# wants to lose weight. Julia suggests swimming and tells #Person1# its advantages. #Person1# is convinced.
documents: #Person1#: Julia, look at me! I'm gaining weight. How could I lose weight? Do you have any good ideas?
  #Person2#: Since summer is coming, I think swimming is a good way for you to do.
  #Person1#: Are you sure?
  #Person2#: Of course! Swimming can help you stay in shape by targeting all parts of your body.
  #Person1#: Really? Does swimming have other advantages?
  #Person2#: It could also help you increase vital capacity.
  #Person1#: That's great. Okay, from now on I would swim three times a week. I hope I can get rid of the weight.
  #Person2#: You will make it if you persist in it.