Anchor: A man climbs a sheer cliff face.
Entailed: The person is climbing a cliff.
Contradiction: The man is riding a horse.
Contradiction: a crowd of protesters sit in the middle of a street holding peace signs
Contradiction: I'd like to meet them.
Contradiction: Kwanzaa was creates by a Chinese woman. 
Contradiction: It's fun, even though we all get more lawn to mow.