Premise: Two other noteworthy mansions on the Rue des Francs-Bourgeois are the Hotel Lamoignon, at the corner of Rue Pavae, and the Hotel Carnavalet, once home to the illustrious 17th-century lady of letters Madame de S??vign??, today the Musee Historique de la Ville de Paris.

Hypothesis: There are two mansions on Rue des Francs-Bourgeois.
Relation: entailment