Anchor: A dirt bike racer rides number 63 across a dirt path in the woods.
Entailed: Someone on a dirt bike is riding down a path.
Contradiction: A man is bicycling down the road.
Contradiction: A man is hunting deer in the woods.
Contradiction: A man on a horse.
Contradiction: Dirt bike number 65 sits in a trailer with no rider.
Contradiction: A racer rides on a 4-wheeler down a dirt path.