Text: On 13 July 1789 a young firebrand orator, Camille Desmoulins, stood on a table at the Palais-Royal's Cafe de Foy to sound a call to arms.
Entailment: A call to arms was initiated in the first half of July, 1789.
Contradiction: The Palais-Royal's Cafe de Foy was never the site of any political or social unrest movements.