Anchor: A woman sits down on a bench reading.
Entailed: A woman is on a bench.
Contradiction: A man is training a dog.
Contradiction: The Cafe de Flore was known for modern intellectualism.  
Contradiction: A crowd of people watches an event.
Contradiction: If G.W.'s policies remain obscure, then no TV ad can be a stealthy Bush ad.
Contradiction: woman cleans floor