Anchor: The training emphasis for staff in the central security management groups, many of whom came to their groups with significant technical expertise, was on keeping staff skills and knowledge current.
Entailed: The training emphasis was on keeping staff skills and knowledge current. 
Contradiction: The training did not include keeping staff skills and knowledge current. 
Contradiction: A boy is eating an apple.
Contradiction: If the agency disagrees with GAO's findings, the GAO will accept further explanations from the agency officials.
Contradiction: A group of robbers leave the bank disguised in costumes.
Contradiction: A boy preparing for safety.