In this task, you are given a sentence that is either in the Yoruba language or the English language. Your task is to identify the language of the input sentence. Input sentences should be in Yoruba or English language and also it cannot have two languages at a time.

Boss Mustapha made this known in his office when the Executive Chairman, Federal Inland Revenue Service (FIRS), Mr. Mohammed M. Nami and Service's Board paid him a courtesy visit.
English