Definition: 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.
Input: World Toilet Day: Wo àwọn ewu tó rọ̀ mọ́ kí èèyàn máa gbọnsẹ̀ síbi tó bá wù ú
Output:
World