Anchor: A young boy performs a backflip off a cliff, into the sea.
Entailed: A young boy does a trick.
Contradiction: The boy doesn't know where his hat has gone.
Contradiction: I do aerobics once a week on Tuesday night.
Contradiction: They would like to see each other more. 
Contradiction: Hitler avoided visiting Paris after its capture in 1940.
Contradiction: Many dogs are euthanized each day.