Anchor: A man is racing around a racetrack lined with a green fence.
Entailed: The man is moving fast
Contradiction: The man is slowly moving
Contradiction: Every time she loses a job, she has no trouble at all finding a replacement gig immediately. 
Contradiction: Some people have bad work ethics.
Contradiction: A spotted white dog sits with another spotted white dog.
Contradiction: Everyone has a new PIN with four symbols.