Anchor: The roar sent the entire village screaming.
Entailed: The village screamed in reaction to a sound. 
Contradiction: The people of the village couldn't hear the roar. 
Contradiction: Yes, but I was only able to do half of the house.
Contradiction: Both factions seemed to be nesting as negations hit a stop.
Contradiction: The surfer is afraid.
Contradiction: A woman walking by a subway.