Anchor: A bike rider does a trick in the air.
Entailed: A stuntman is performing a stunt.
Contradiction: A stuntman is watching TV.
Contradiction: The demand for boilermakers will increase 3 times by 2010. 
Contradiction: It takes a few minutes for characters to make their entrances and exits.
Contradiction: A man is riding motocross.
Contradiction: A boy is running on sand.