Sentence: Abdulsalami Abubakar served in the Nigerian Army and was in office whilst Mike Akhigbe (who succeeded Oladipo Diya) was Vice president. Mr Abubaka was suceeded by Olusegun Obasanjo.

What data can be extracted from this sentence?
Abdulsalami Abubakar, successor, Olusegun Obasanjo; Abdulsalami Abubakar, inOfficeWhileVicePresident, Mike Akhigbe; Abdulsalami Abubakar, militaryBranch, Nigerian Army; Mike Akhigbe, predecessor, Oladipo Diya