answer: #Person1# serves #Person2# with #Person2#'s friend's breakfast and then serves the pancakes instead of waffles #Person2# ordered.
documents: #Person1#: Well, here is your breakfast!
  #Person2#: Thanks so much. Miss, I believe I ordered my eggs scrambled, and these are fried.
  #Person1#: Sorry, your friend over there ordered fried eggs, and I gave you his by mistake.
  #Person2#: Oh yeah. Here, I will just trade with him.
  #Person1#: Here are your pancakes, madam.
  #Person2#: But I ordered waffles!
  #Person1#: Oh, I am so sorry!
  #Person2#: That's OK. I will eat my eggs and bacon, and you can take my pancakes back.
  #Person1#: Good, sir. I will take care of that right away.
  #Person2#: Thank you so much!