Anchor: A person is riding a bike on a dirt road.
Entailed: The person rode a bike on the road.
Contradiction: The person rode a horse.
Contradiction: It's advantageous, even politicians think so.
Contradiction: No one would imagine the picture had been touched.
Contradiction: You must be fully nude in order for attendants to bury you in the sand.
Contradiction: I haven't missed much in over a year.