Anchor: A white dog is pouncing on a brown dog in a fenced in backyard.
Entailed: A dog is pouncing on another dog.
Contradiction: A dog is licking on another dogs ear.
Contradiction: The cafeteria is very expensive, and the dining room has a cheap menu.
Contradiction: A bride, groom and friends are walking.
Contradiction: Most are true. 
Contradiction: I waved at them.