Anchor: a boy playing with balloons.
Entailed: A boy has some balloons.
Contradiction: A boy is playing with a ball.
Contradiction: A person on a dragon is burning down a village.
Contradiction: They said they drank the water and it was okay.
Contradiction: None of the books were reviewed yet.
Contradiction: I'd like to find out the truth, but can't say how I'd do it.