Input (grade 10): Upon Yar 'Adua's death on 5 May 2010, Jonathan succeeded to the Presidency, taking the oath of office on 6 May 2010.
Output (grade 5): Yar 'Adua died on 5 May 2010. Jonathan was sworn in as Yar' Adua's replacement on 6 May 2010, becoming Nigeria's 14th Head of State.