answer: John is choosing some lovely Christmas cards for his friends on the internet. His mother plans to choose one for John's grandmother.
documents: #Person1#: What are you surfing on the internet, John? You are smiling. Are you seeing a film?
  #Person2#: No. You know Christmas Day is coming. I am choosing some lovely cards for my friends.
  #Person1#: You mean you won't buy cards from the shops.
  #Person2#: Mom, it's a new way to express your 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 reasonable. I mainly send instant messages using my cell phone or write letters.
  #Person2#: Cards on the internet can be matched with lovely pictures and music.
  #Person1#: Wonderful. Let me choose one for your grandma first.