Anchor: A professional dirt bike rider is riding a lap around a track.
Entailed: A professional dirt bike rider is riding outside.
Contradiction: A professional dirt bike rider is lounging on the race track.
Contradiction: They are runaways, and are therefore weak.
Contradiction: It has gray tiles on the roofs which curve down the amphitheater shaped hill toward the tiny port.
Contradiction: the boys is at school
Contradiction: Las Vegas developed from a small-town railroad stop to a gigantic city.