answer: #Person1# needs to get the internet. #Person2# recommends #Person1# the DEL and explains that DEL won't tie up the phone line.
documents: #Person1#: I need to get internet.
  #Person2#: Which kind of internet connection do you want to get?
  #Person1#: What kind can I get?
  #Person2#: There is dial-up or DEL.
  #Person1#: Which one do you feel is best?
  #Person2#: I would get DEL if I were you.
  #Person1#: DEL is better than dial-up?
  #Person2#: It's the best choice ; plus, it won't tie up your phone line.
  #Person1#: I'm not sure what that means.
  #Person2#: Dial-up is connected through your phone, unlike DEL.
  #Person1#: That'll make it impossible for me to use.
  #Person2#: Exactly. With DEL you don't have that problem.