Anchor: Such deviations were required to be documented in a letter and, though not required, were usually approved by the central security group.
Entailed: Deviations should be documented in a letter.
Contradiction: Deviations aren't allowed to be approved by the security group.
Contradiction: Two girls jump off the roof of their houses breaking their legs.
Contradiction: Most of the time you'll find yourself in the crowded thoroughfare.
Contradiction: A boy is holding a door.
Contradiction: A football player is gripped onto a football.