answer: Joe tells #Person1# Joe stays online for at least four hours every day, mostly chatting with friends.
documents: #Person1#: Do you surf online regularly, Joe?
  #Person2#: Of course. I stay online for four hours at least every day.
  #Person1#: Are you crazy? What are you doing four hours online?
  #Person2#: Millions of things. I surf the Net, check my e-mail, and most importantly, I chat with my friends.
  #Person1#: Online chat? Aren't you afraid of meeting bad people who pretend to be what they are not?
  #Person2#: No, I am not. And I love to meet new people in the chat rooms who share a lot in common with me.
  #Person1#: It sounds interesting.