answer: #Person1# can't wait for #Person1#'s birthday party and tells #Person2# #Person1# saw the friends are preparing to give a surprise.
documents: #Person1#: I can't wait for my birthday party this Saturday evening. I hope it will be better this year. I'm hoping for something surprising and a lot of gifts.
  #Person2#: It will be. There will be a lot of people at your party.
  #Person1#: I know my friends are preparing to give me a big surprise these days.
  #Person2#: How do you know?
  #Person1#: I saw Tom wrapping a big box with Alice, Bob and Annie.