Text: This hilltop suburb 8 km (5 miles) southwest of Palermo boasts Sicily's finest cathedral (12th-century) and one of the best medieval mosaic cycles in Europe.
Entailment: You can find Sicily's finest cathedral in this hilltop suburb.
Contradiction: If you're looking for a lavish cathedral or fine art in this town, you'll have to trek over to the city of Palermo.