Anchor: Two men are riding horses attempting to control a cow in a arena-like area.
Entailed: Two men ride horses.
Contradiction: Two men ride cows.
Contradiction: The bird is a robot sent to destroy the planet earth and/or Dick Cheney.
Contradiction: ED patients have alcohol problems that need to be intervened.
Contradiction: A group of men playing roller derby.
Contradiction: A girl running towards the surf.