Anchor: the tester meows as he drops the vermin on the developer's doorstep.
Entailed: The tester makes a cat noise on the developer's doorstep.
Contradiction: The tester make no sound as he drops the vermin.
Contradiction: The tester was barking on the developer's doorstep.
Contradiction: The tester ran away from the house.
Contradiction: Children writing bomb threats to mail to terrorists.
Contradiction: I was in a crowd of people.