Anchor: Two men are sweeping the steps that lead up to a statue.
Entailed: The men are cleaning the stairs.
Contradiction: The men are sweeping steps that lead to a grave site.
Contradiction: They wanted him to live and run free.
Contradiction: A white outlaw band sharing their hunting ground without being bothered for it did not fit with what Drew knew about the tribe. 
Contradiction: Surfer lost his board
Contradiction: A decision is not required to move from system integration to system demonstration.