Anchor: A bicyclist becomes airborne among dirt hills at night.
Entailed: The cyclist is outside.
Contradiction: The cyclist is driving a car.
Contradiction: patients do not pay most of the dental costs.
Contradiction: A woman in patterned blue jeans and a green sweater carry a brown plastic bag and walks away.
Contradiction: The man is sleeping on his moped.
Contradiction: Volume and in-office time are closely correlated.