Text: Roughly bounded by four rivers ' the Seine, Oise, Aisne, and Marne ' the Ile-de-France was the birthplace of the first great Gothic cathedrals, including Saint-Denis, Senlis, Chartres, and Beauvais.
Entailment: There are four rivers.
Contradiction: The great Gothic cathedrals didn't originate in the lle-de-France.