Text: The last great monument of the old town, in the Rue aux Juifs, is the grand Palais de Justice, a jewel of Renaissance and Flamboyant Goth?­ic architecture built on the site of the medieval ghetto.
Entailment: The Palais de Justice is an imposing building constructed where the medieval ghetto used to be.
Contradiction: There are no great monuments left in the old town.