Text: After a brief stint living in the Palazzo Vecchio in the Piazza della Signoria, Duke Cosimo I and his wife, Eleonora of Toledo, acquired the palace from the bankrupt Pitti merchant family in 1549 as the Medici's official residence; it was enlarged and embellished substantially over the centuries.
Entailment: The Medici's official residence used to belong to the Pitti family.
Contradiction: Eleonora of Toledo was the daughter of Duke Cosimo I.