_____ sworn in as the president of Nigeria for the second term ?

1) Goodluck Jonathan
2) Olusegun Obasanjo
3) Yemi Osinbajo
4) Muhammadu Buhari

Explanation:
Nigerian incumbent president, Muhammadu Buhari (76), won his re-election bid against his rival Atiku Abubakar of Peoples’ Democratic Party (PDP) by over 3 million votes.He belongs to All Progressives Congress (APC) Party. He won 56% of the votes cast. He was in power since 2015.He earlier served as the army general who led a tough military government in the 1980s.Yemi Osinbajo was also sworn in as Vice President of Nigeria.