Text: The BJP's role in provoking the 1992 demolition by Hindus of a mosque in Ayodhya, said to have been built on ground sacred to them, and the widespread racial violence which ensued caused PM Rao to ban the BJP.
Entailment: PM Rao banned the BJP because of widespread racial violence.
Contradiction: The BJP did not play a role in provoking anyone, nor did they cause any violence.