Text: When Hideyoshi died in 1598, he hoped to have his five-year-old son continue his  dynasty,  initially under the tutelage of five regents.
Entailment: Hideyoshi hoped to have his five-year-old son continue his dynasty, initially under the tutelage of five regents, when he died in 1598.
Contradiction: Five-year-old son was never supposed to continue his dynasty.