Anchor: GAO's policy is that senior executives with the broadest knowledge of a completed assignment do such interviews.
Entailed: GAO's policy is that senior executives with broadcast knowledge do the interviews 
Contradiction: GAO doesn't let senior executives conduct interview 
Contradiction: The dog is made of stone.
Contradiction: A man has just cleaned his bedroom.
Contradiction: They want this to be as hard as possible.
Contradiction: I wanted the presidents resurrected.