You are given a news article headline from BBC Yoruba and your task is to classify it into one of the following categories:  Africa, Entertainment, Health, Nigeria, Politics, Sport, or World.
Q: Tax evasion: Ìjọba ìpínlẹ̀ Èkó pariwo pé 4.8 mílíọ́nù èèyàn ló ń sá fún owó orí sísan
A: 
Nigeria