Text: But the museum's greatest treasures are undoubtedly the dukes' tombs in the Salle des Gardes ' brought here from the Charter?­house of Champmol, which was destroyed during the Rev?­o?­lu?­tion.
Entailment: During the Revolution, the Champmol Charter House was ruined.
Contradiction: The dukes' tombs reside in their original place, as they always have.