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The oldest living president is Kenan Evren , born 17 July 1917 ( aged ) .
 person: Kenan Evren
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: Kenan Evren 
Answer:
 person: Kenan Evren