Premise: In the Sala della Pace (Hall of Peace, council chamber of the Nine Patricians), the full force of Siena's civic pride strikes home in the impressive allegorical frescoes (1337 1339) by another local master, Ambrogio Lorenzetti.

Hypothesis: Ambrogio Lorenzetti's allegorical frescoes are located in the Sala della Pace.
Relation: entailment