Anchor: Rodeo riding cowboy trying to keep on a bucking bull in an arena surrounded by rodeo clowns.
Entailed: A person rides a bull.
Contradiction: A cowboy is herding some cattle into the ranch gate.
Contradiction: The child is riding a tricycle.
Contradiction: A man in a black leather jacket is eating an ice cream cone.
Contradiction: A woman wearing a purple shirt is looking at her bicycle.
Contradiction: Someone is riding a bike.