Anchor: A man in a blue swimming gear is skiing near a wave in the water.
Entailed: A man in blue swimming gear is skiing a wave in the water.
Contradiction: A man is swimming in the water.
Contradiction: The company has always employed a fair amount of men, women and minorities. 
Contradiction: He has spent more than four hours at once just to write.
Contradiction: Three men are eating pizza in the middle of a desert.
Contradiction: An artist is drawing.