Anchor: a dog rolls in the grass.
Entailed: The dog is rolling in the grass
Contradiction: The dog is dead outside.
Contradiction: I will be out to dinner for a while
Contradiction: There were 4 corpses, some anthropologists saying the technology is new but the impulse is old.
Contradiction: And this one is not a fighter, he is a dancer!
Contradiction: A baby walks on the ground.