Anchor: A scuba diver ventures below the surface through countless forms of marine life.
Entailed: There is a diver in the water.
Contradiction: The diver is putting on their diving gear on the deck of a ship.
Contradiction: They don't want too much for it.
Contradiction: The guy is running  in his athletic gear on a track.
Contradiction: There was a woman that pulled her hat out of the water after it blew in.
Contradiction: A man sits on a rock.