Text: Also on the rue des Francs-Bourgeois, Hetel Carnavalet, once home of the lady of letters, Madame de Sevigne, is today the Musee Carnavalet (see page 75).
Entailment: Hetel Carnavalet was the one-time home of Madame de Sevigne.
Contradiction: Hetel Carnavalet is on the rue des Seine.