Anchor: A man is doing a trick on a bicycle in the air.
Entailed: He is a professional bike competitor.
Contradiction: She is ready to ride her skates on the ramp.
Contradiction: A biker is sleeping.
Contradiction: Poirot seemed calm and free from anger when he spoke.
Contradiction: She so very badly wanted to release Mrs. Vandemeyer. 
Contradiction: A man makes an obscene motion.