Anchor: Take your mask and flippers the water is crystal clear, especially off rocks and away from near-landlocked harbors.
Entailed: The water is clear and beautiful.
Contradiction: The water is too cloudy and gross.
Contradiction: Two men are playing basketball.
Contradiction: Even though I get drunk and act childish, I know what I'm talking about. 
Contradiction: The writer is very modest.
Contradiction: He sometimes believes that Mrs Vandemeyer would sell them.