Anchor: A man standing under a street lamp at night.
Entailed: There is a man standing under a street lamp.
Contradiction: There is a woman standing over a fire hydrant.
Contradiction: We didn't believe in religion.
Contradiction: This isn't good because it might have a bad impact on the economy. 
Contradiction: Not now, not ever. 
Contradiction: The farmers gained knowledge of how the company works.