Anchor: Two women in skirts walk down a city street.
Entailed: Two ladies walking down the street.
Contradiction: A cop shoots a suspect.
Contradiction: It was well-known I was a celebrity. 
Contradiction: The mountain biker is outside.
Contradiction: Two boys are fixing a scooter.
Contradiction: You will be surprised to learn Phil Coles is a current member of the International Olympic Committee.