Anchor: a boy wearing a snorkeling mask gives two thumbs up in a pool
Entailed: A boy giving two thumbs up.
Contradiction: a woman wearing a goggles gives one thumbs up in a pool.
Contradiction: Two people are dancing in the snow.
Contradiction: They were nothing but slaves to them.
Contradiction: If so, then that must have been terrible luck.
Contradiction: Construction contractors don't require as much rework if the design review process is effective.