answer: Peter tells #Person1# he's going to Linda's birthday party and shows #Person1# his present for Linda.
documents: #Person1#: It's Linda's birthday. She's 20 years old today. Are you going to her birthday party, Peter?
  #Person2#: Sure, why not? Here is a present for her.
  #Person1#: Is it a book?
  #Person2#: No.
  #Person1#: Can I open it?
  #Person2#: Yes, go ahead.
  #Person1#: Wow, a video tape. How nice!