Anchor: A boy with glasses on is sitting in a chair at the dentist.
Entailed: a boy is sitting on the chair at the dentist
Contradiction: A boy is playing with some other childrens
Contradiction: Ten men in prison uniforms clean up trash on a field.
Contradiction: Two men are standing on a speedboat labled "Maritimo."
Contradiction: A large crowd of people watches the nba game.
Contradiction: There is an almost empty sidewalk.