answer: #Person2# explains why #Person2# didn't hand in the geography assignment last Thursday. But #Person1# doesn't believe #Person1#.
documents: #Person1#: What's this then?
  #Person2#: It's my geography, sir. The Map of Africa you set us.
  #Person1#: But this should have been handed in last Thursday.
  #Person2#: Yes, I know, sir. I'm sorry.
  #Person1#: Well, what's your excuse then?
  #Person2#: My mother's been ill and I had to stay at home.
  #Person1#: Oh, Yes?
  #Person2#: It's true, sir.