answer: #Person2# stained #Person1#'s clothes by accident. #Person1#'s angry. #Person2# apologizes and promises to pay for the cleaning bill.
documents: #Person1#: Look what you've done!
  #Person2#: I'm very sorry, sir. I'll bring you a cloth immediately.
  #Person1#: Yes, and hurry up!
  #Person2#: I'd like to apologize for my carelessness. May I clean it up for you?
  #Person1#: No, I'll do it myself.
  #Person2#: Here is my card, sir. Could you send me the cleaning bill and I will refund the cost to you?
  #Person1#: I should think so, too!
  #Person2#: I'm very sorry to have caused you this trouble.
  #Person1#: Yes, and please be more careful in the future!
  #Person2#: I will, sir. I'm really very sorry.
  #Person1#: That's OK.