answer: John is looking for Christmas cards online so he can save money. John's mother wants to get one for John's grandma first.
documents: #Person1#: What are you doing on the computer, John? You are smiling. Are you watching a film?
  #Person2#: No, mom. Christmas Day is coming. I am looking for some lovely cards for my friends.
  #Person1#: You mean you won't buy cards from shops?
  #Person2#: Yes, it's a new way to show friendship and love.
  #Person1#: But it seems that you only want to save money.
  #Person2#: Yeah, we can save a lot of paper if we all do so.
  #Person1#: Sounds good. I seldom make calls but I usually send messages to them.
  #Person2#: Cards on the internet can be matched with lovely pictures and music.
  #Person1#: Wonderful. Let me get one for your grandma first.