Text: You get a sense of the dukes' grandeur among the Renaissance palazzi of the Corso Ercole I d'Este, part of a 15th-century urban expansion, Addizione Erculea, that was one of the most ambitious pieces of town planning of its age.
Entailment: The Addizione Erculea was a piece of town planning in the Renaissance period.
Contradiction: The city contracted over the whole of the 15th century.