answer: #Person1# invites Mr. Lee and his wife to #Person1#'s formal sit-down dinner, and everyone else invited is also from their company. Mr. Lee looks forward to it.
documents: #Person1#: Mr. Lee, I was wondering if you and your wife had plans for next Friday night?
  #Person2#: Yes, I think we might be free. What did you have in mind?
  #Person1#: I've mailed a formal written invitation to your home inviting you to a dinner party at my home.
  #Person2#: That sounds great. Is it casual?
  #Person1#: Actually, we thought it would be fun to have a formal sit-down dinner for the holidays.
  #Person2#: That sounds good. It will give my wife a chance to dress up.
  #Person1#: Yes, we've invited four other couples, so it should be a good mix of people.
  #Person2#: That sounds wonderful. Will there be anyone there that I know?
  #Person1#: Oh yes, everyone we are inviting is from our company.
  #Person2#: Great! I'll look forward to it. We'll make sure and check the mail for our invitation.