Given the task definition, example input & output, solve the new input case.
This task is about translating a given English language sentence to Yoruba language.
Example: While you should not share legal advice to others based on course content, you will develop a high level of expertise upon completion of this course.
Output: Bí ó ti jẹ́ wí pé o kò leè fún ẹnikẹ́ni nímọ̀ràn ajẹmófin lẹ́yìn tí o bùṣe nínú ẹ̀kọ́ inú ìdá yìí, wà á ní ìmọ̀ kíkún tí kò ní ẹlẹ́gbẹ́ bí o bá parí abala-ẹ̀kọ́ yìí.
This is a good example because the English sentence has been translated correctly to Yoruba.

New input case for you: The Nigeria leader, Predsident Muhammadu Buhari expressed sadness over the loss of lives, the economic and social disruptions caused by these natural disasters in DR Congo.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Àarẹ orílẹ̀ èdè Nàíjíríà Muhammadu Buhari ti bá orílẹ̀ èdè Kenya àti DR Congo kẹ́dùn ìjàm̀bá omíyalé ati ilẹ riri tó ṣe ìjàm̀bá lórílẹ̀ èdè náà.