What is the fine-grained topic of the following text: THE GAME IS UP AND ALL YORUBAS/FULANIS/HAUSA MUST GO TO HELL.BIAFRANS ARE HERE AND SOON THEM GO KNOW SAY MMADU BU MMUO ON EARTH CREATED BY CHUKWUOKIKE ABHIAMA(THE GOD OF ABRAHAM).#BRING BACK OUR BIAFRA#BIAFRA LIVES#TERRORIST BUHARI AND NIGERIA THE GAME IS OVER. Only return the topic.
Biafran separatism and hostility towards other Nigerian ethnic groups.