Anchor: A corner of the horizon was winter blue; a whole sweep of it was dead, featureless black.
Entailed: Most of the horizon was black, but a corner of it was blue.
Contradiction: The horizon was glowing with red sunlight. 
Contradiction: Factors are unsuccessful 
Contradiction: A guy in an alley with a horse.
Contradiction: The mans hair is on fire.
Contradiction: The guy in the field smokes a cigarette.