answer: Paul congratulates Anna for winning the first prize and invites her to his birthday party tomorrow.
documents: #Person1#: You look so happy, Anna. Any good news?
  #Person2#: Yes. I'Ve won the first prize in the math contest.
  #Person1#: Really? Congratulations!
  #Person2#: Thank you, Paul.
  #Person1#: By the way, would you like to have dinner with me tomorrow evening? Tomorrow is my birthday.
  #Person2#: Good, happy birthday to you!
  #Person1#: Not so soon. It's not my birthday today. Well, you'll come, won't you?
  #Person2#: Sure, I will. Thank you for inviting me.
  #Person1#: My pleasure.