answer: #Person1# and #Person2# are talking about how they like swimming and the benefits of swimming.
documents: #Person1#: Do you like swimming? 
  #Person2#: Yes. Swimming is one of my most favorite sports,indoors or out-doors. 
  #Person1#: Me too. Swimming is a very good exercise for health. It combines water, bath, sunbath, and air bath together. It promotes the growth and haleness of muscles, bone, viscera and nerve systems. 
  #Person2#: I have never thought that swimming can bring us so many benefits. I only know that swimming in great waves and deep running water can train people's spirits,and enable people to be fearless of the hardships,dangers and difficulties and become brave and staunch. 
  #Person1#: Have you ever swum in a river or a lake? 
  #Person2#: Yes, but not always. However, I won't let it go if I have a chance.