answer: #Person2# tells #Person1# #Person2#'s chief interest. #Person2# thinks working and cooperating with friends makes #Person2# happy.
documents: #Person1#: Do you have any special interests besides your job?
  #Person2#: My chief interest is swimming and climbing with my friends.
  #Person1#: What do you think is the most important thing for you to be happy?
  #Person2#: I think that the most important thing is you can't live all by himself. It takes a lot of people working and cooperating together. The more really close friends I have, the better.
  #Person1#: There is a reason in what you say.