Anchor: A person in full protective gear is riding a green dirt-bike (with the number 108 painted on its side) on the ridge of a grassy field.
Entailed: A person is riding a green dirt-bike.
Contradiction: The person did not have any protective gear on.
Contradiction: A person in full protective gear running away from the police.
Contradiction: The person is sitting in the indoor hot tub.
Contradiction: A person is driving a car.
Contradiction: A person is riding a white dirt-bike.