Anchor: Two men are sitting on a park bench serenading people walking through the park at night.
Entailed: There are two men on a bench.
Contradiction: Four men form a barbershop quartet.
Contradiction: An attractive woman sleeping
Contradiction: The monastery is worth a visit, but its only open during certain times, when the priests takes liturgies.
Contradiction: A black dog is sleeping on the porch
Contradiction: A dog is running around a field.