Anchor: He swung hard, cleaving deep into the demon's arm above the shoulder.
Entailed: He hit the demon in the arm.
Contradiction: He missed the demon, who then ran away.
Contradiction: A man and a boy are walking down the road.
Contradiction: A man is near two buildings.
Contradiction: To calculate city delivery cost, we only need to know the cost of overtime. 
Contradiction: She wanted to implement programs for birth-control to control population growth, but conservatism fought against it.