Text: The solemnly monumental hemicycle of the Piazza del Plebiscito was laid out by Napoleon's marshal Joachim Murat, when as King of Naples, he occupied the Spaniards' Palazzo Reale on the east side of the piazza.
Entailment: Joachim Murat was king of Naples.
Contradiction: The Spaniards' Palazzo Reale is one the West side of the Plaza.