Anchor: If the auditors discover serious, but previously unrecognized weaknesses, the management awareness rating will be lowered.
Entailed: The management awareness rating will be lowered if the auditors discover any serious but unrecognized weaknesses. 
Contradiction: If an auditor finds an unrecognized weakness, the rating will not be lowered.
Contradiction: I talked for hours and hours on end.
Contradiction: The girl is outside.
Contradiction: The man they found didn't match the name.
Contradiction: A man and woman duel each other in front of a crowd.