Anchor: She suggested that although booster interventions are needed, perhaps they are not needed very often, particularly in primary care settings.
Entailed: Booster interventions are not needed very often.
Contradiction: Booster interventions are never needed.
Contradiction: The teller remained in place and untouched. 
Contradiction: Drew knew that Johnny Shannon wasn't reckless.
Contradiction: The man is angry at the dog.
Contradiction: Different agencies operate and maintain heritage assets.