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He was appointed by President Umaru Yar ' Adua in June 2007 , and left office in October 2008 after a cabinet reshuffle .
 person: Umaru Yar ' Adua
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Umaru Yar ' Adua 
Answer:
 person: Umaru Yar ' Adua