Text: Nobunaga was assassinated by one of his own generals in 1582, and Hideyoshi, who had started out as a simple infantryman, succeeded him.
Entailment: Nobunaga was assassinated in 1582 and succeeded by Hideyoshi, who was once an infantryman.
Contradiction: Nobunaga lived a long fruitful life and died of old age after commanding Japanese armies his entire life.