Text: An important town in Roman Gaul, replacing Lyon as capital toward the end of the Empire, Arles boasts a very well-preserved amphi?­theater (arynes), seating over 20,000 in the days of the gladiators.
Entailment: Arles was the site of gladiator battles during the Roman Empire.
Contradiction: The city of Lyon, which served at the capital until the rise of Paris, has the most historical artifacts from Roman Gaul.