Anchor: a swimmer doing a backstroke
Entailed: A swimmer swims.
Contradiction: A person sits on a bench.
Contradiction: The team ate hotdogs.
Contradiction: A group of ladies walking across the bridge
Contradiction: The blond singer is not allowed to sing for 3 weeks because she has lost her voice and could injure it.
Contradiction: Children walking down a sidewalk with matching backpacks.