Anchor: A person in black has just stepped off of the escalator.
Entailed: a person just got off the escalator
Contradiction: A person in black is on the elevator
Contradiction: Two dogs are fighting over a football.
Contradiction: The lottery does not pay out enough not to be criticized. 
Contradiction: The elephants dutifully plow the field
Contradiction: In doing so, congress will need to hold agencies accountable for missions of homeland security.