answer: #Person2#'ll buy a CD but #Person1# suggests listening to music online. #Person1# recommends a music software, Realplayer, to #Person2#.
documents: #Person1#: Where are you going?
  #Person2#: I'm going to buy a CD.
  #Person1#: Why not listen to music online?
  #Person2#: Then I will have to pay quite a lot to listen to music on line, isn't it?
  #Person1#: You can audition music on line, and you can audition it off line after downloading it, so you needn't pay for it.
  #Person2#: I have downloaded one, but it still can't be listened.
  #Person1#: In order to listen to music, you must have the necessary software.
  #Person2#: Can you recommend some to me?
  #Person1#: Certainly. Realplayer is a good.
  #Person2#: Can I download it?
  #Person1#: Yes, but you need install it after downloading so that you can use it.
  #Person2#: I'll try it tonight.