Anchor: Two men carrying briefcases look across the street in a city.
Entailed: There are two men looking across the street.
Contradiction: Two men carrying briefcases knock on the door of the rural farm house.
Contradiction: The man is chasing a big bear.
Contradiction: I agree with pretty much everything you say. 
Contradiction: Young child is walking home.
Contradiction: it is seen that policymakers want to save Social Security surpluses.