Anchor: A young boy in a red hat rides on a horse.
Entailed: A young boy is outside horseback riding.
Contradiction: The boy is riding a bike.
Contradiction: The girl is sleeping in her bed.
Contradiction: This excerpt was taken from Kieso and Weygandt, Intermediate Accounting 7th edition. 
Contradiction: The black skateboarder doesn't know any tricks.
Contradiction: students reding at out door