Anchor: I do not know.
Entailed: I have no knowledge.
Contradiction: I know.
Contradiction: The girl is standing up holding a rock.
Contradiction: Under the suggested procedures, both first time vendors and vendors who have abused the fast pay system in the past would be identified and considered ineligible for fast pay until the agency had the opportunity to investigate and vet the vendors in question more thoroughly.
Contradiction: This restaurant does not serve food.
Contradiction: a boy is playing in a baseball game