Anchor: A man, in black tight pants, sits down leaning against the wall of a white building.
Entailed: A man is leaning against the building.
Contradiction: A man is flying in an airplane.
Contradiction: Only natural seawater may be used, never synthetic. 
Contradiction: A person is playing the drum.
Contradiction: A skiier is doing tricks.
Contradiction: More than 5,000 people responded to Slate's online reader survey.