Anchor: Behind the stage was the Gladiators' Barracks, where 63 skeletons were found.
Entailed: 63 skeletons were found beyond the stage, in the Gladiator's Barracks.
Contradiction: No skeletons were every found in the barracks of the gladiators. 
Contradiction: Chronic aquatic toxicity tests are about finding the lowest no-effect concentration of the substances.
Contradiction: A group of people line dancing.
Contradiction: Take short shallow breathes.
Contradiction: The early travelers were mostly comprised of the wealthy.