Anchor: Someone is riding a motorcycle down a racetrack during daylight hours.
Entailed: A person is riding a vehicle.
Contradiction: Someone is riding a bike at night.
Contradiction: The Barrio can no longer be found since it was destroyed in World War I. 
Contradiction: pet is playing in winter
Contradiction: Congress never reformed replacing presumptive refunding at any time. 
Contradiction: Children are playing in the street.