Detailed Instructions: 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: Sim Card Regulation: Amòfin kan ní iye ‘Sim Card’ ta bá ní, kò ní ǹǹkan ṣe pẹ̀lu ìwà ọ̀daràn
A:
Nigeria