Anchor: If we are wrong, well and good, said Poirot. 
Entailed: Poirot said that it was good to be wrong.
Contradiction: If we are right then this is terrible!
Contradiction: A woman sits alone on a bench in front of a bike track.
Contradiction: Three women are talking.
Contradiction: The man is cooking dinner.
Contradiction: The people are all upright and moving forward.