Anchor: A man parasurfs in the ocean
Entailed: A person is outside.
Contradiction: A man is driving.
Contradiction: The men are having a fist fight in a bar.
Contradiction: The cannon was sounded twice - once in 1918, another time in 1929.
Contradiction: Fortunately my cabbage loppers were not covered with them.
Contradiction: A bald man is sitting on a  concrete wall with his shoes off.