Text: The intricate harmony of the five portals of its facade, and the peculiar grace of its silhouette, make Bourges's Cathedrale Saint-Etienne one of France's half-dozen Gothic masterpieces.
Entailment: Bourges's Cathedrale Saint-Etienne has a strange beauty to it.
Contradiction: There are 17 portals on the facade of the Cathedrale Saint-Etienne.