Anchor: Two people walking on the beach at sunset.
Entailed: The people are on the beach.
Contradiction: The two people are strolling through the city.
Contradiction: The couple is running down the beach.
Contradiction: A neat maid answered they door when the rang the bell.
Contradiction: This paper was written 20 years ago. 
Contradiction: The area is much larger than you would have remembered it in your time.