Anchor: A surfer is at the crest of a wave while a fishing boat is in the background.
Entailed: A surfer is riding a wave.
Contradiction: A surfer doesn't have his surfboard.
Contradiction: The steak was one of the best I have ever eaten.
Contradiction: A girl is sitting on the railing.
Contradiction: Szary, to the worker drone!
Contradiction: Humans and animals together.