Anchor: Balck dog is running on clean sand beach, very close to surf.
Entailed: Black dog frolics on beach.
Contradiction: A dog is attacked by a jellyfish.
Contradiction: A boy does a handstand.
Contradiction: We could do a lot of things for our country.
Contradiction: Belgacom made all calls to Antwerp free.
Contradiction: One of them hates fish completely.