Anchor: A man in a black apron preparing vegetables in the sun.
Entailed: A man is preparing vegetable in the sun while wearing a black apron.
Contradiction: A bear is chasing a cub up a tree.
Contradiction: She did not have any inkling of selling them at all. 
Contradiction: The Computer Security Act has requirements relating to sensitive information.
Contradiction: The band starts their encore performance.
Contradiction: The person in the costume stood in the crowd.