answer: Peter has been playing Pac Man in the student union. Mary suggests Peter buy a home computer.
documents: #Person1#: Peter, where have you been?
  #Person2#: I've been play Pac Man in the student union.
  #Person1#: Oh, you're wasting your time on computer games again!
  #Person2#: Not really, Mary. I've been busy this week and I need a break.
  #Person1#: Why don't you buy a computer and some of those games? Then you can play at home. Home computers are getting cheaper.
  #Person2#: How do you know that?
  #Person1#: I've been thinking of buying a home computer too.