Text: A guided tour of the house will tell you how, on Assumption Day (15 August) of 1769, Napoleon's mother Letizia was rushed out of church with her first birth pains.
Entailment: On Assumption day of 1769, Napoleon was born, and this information is provided in a guided tour of the house.
Contradiction: A guided tour of the house will tell you how on Christmas morning, 1769, Napoleon's mother had birth pains.