answer: #Person1# tells #Person2# James was fired because he got a keep back of money.
documents: #Person1#: I heard that James was fired because he got a keep back of 20 thousands dollars from a vender.
  #Person2#: That's open secret.
  #Person1#: But mine could be a lie for his job.
  #Person2#: How did you know that?
  #Person1#: A little bird whispered to me. Keep that to yourself.