Anchor: The pressures applied by top management and oversight entities are instrumental in clearly defining and communicating the need for improved program operations and, most important, in redefining the organizational culture.
Entailed: Top management and oversight entities apply a lot of pressure. 
Contradiction: The culture need not be redefined.
Contradiction: Two children are entering a school bus.
Contradiction: the dog is digging
Contradiction: Bill Clinton should lose because of the Beltway issues.
Contradiction: My Himalayan Persian does