answer: Janet's angry that Mark forgot the file. He'll go home and get it.
documents: #Person1#: Mark? I need that file you took yesterday.
  #Person2#: I'm sorry, Janet. I left it at home. I'll bring it back in the morning.
  #Person1#: Mark, I told you yesterday afternoon that I would be using that file today.
  #Person2#: I know, Janet. I just walked out and forgot it completely. I'll go home and get it at noon, all right?