answer: The cafeteria messed up #Person2#'s lunch order. This cafeteria didn't get #Person1#'s order right either.
documents: #Person1#: What are you having for lunch?
  #Person2#: I got a sandwich, some chips, and a soda.
  #Person1#: Did you bring that from home?
  #Person2#: I got it from the cafeteria.
  #Person1#: What kind of sandwich did you get?
  #Person2#: They messed up my order and gave me a bologna sandwich.
  #Person1#: How was it?
  #Person2#: Considering it wasn't what I ordered, it was still pretty good.
  #Person1#: I think I got a sandwich there once before.
  #Person2#: Really?
  #Person1#: Yes, and they didn't get my order right either.