Text: The massive Palais de Justice, housing the law courts of modern Paris, holds echoes of the nation's earliest kings, who dwelt here, and of the aristocrats and Rev?­o?­lu?­tionary leaders who, in turn, were imprisoned here before execution.
Entailment: Revolutionary leaders were imprisoned in the Palais de Justice.
Contradiction: No Revolutionary leaders were executed, they all served life sentences in prison until they des of natural causes.