Text: It was the morning of 21 April 1526, the beginning of the empire of the Mughals  the term used for descendants of Babur as distinct from those of Genghis Khan, who are referred to as  Mongols  even though the terms are etymologically the same.
Entailment: The Mughals are the descendants of Babur, while the Mongols are the descendants of Genghis Khan.
Contradiction: Genghis Khan was assassinated by Babur on 21st April 1526.