Anchor: This work has made significant contributions to agencies' abilities to develop and implement sound security policies.
Entailed: This work has helped agencies' develop security policies. 
Contradiction:  This work has made no contributions to agencies' security.
Contradiction: A person is entering the hospital.
Contradiction: a bunch of people are having a picnic with food and drinks.
Contradiction: The birds do not have any significance on his spirit.
Contradiction: The black dog has a red collar and sits in the sand.