Anchor: Two women sitting on a bench.
Entailed: Neither woman is standing up.
Contradiction: Two women are robbing a bank.
Contradiction: If G.W.'s policies remain obscure, then no TV ad can be a stealthy Bush ad.
Contradiction: A performer singing at a concert.
Contradiction: A biker has fallen off his bike as other racers try to avoid him.
Contradiction: There are people are outside the building.