Anchor: Two gentlemen are half buried by a natural disaster.
Entailed: Two men are partly buried.
Contradiction: Two women dance in the rain.
Contradiction: She didn't.
Contradiction: McCain resists political horse trading, and does not plan to modify the tobacco bill to get it passed.
Contradiction: A musician is singing in the bar.
Contradiction: Riding unaccompanied was a stupid thing to do.