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From 1993 on , he served as the chairman of the Turkish Historical Society until his dismissal in 2008 .
 organization: Turkish Historical Society
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: Turkish Historical Society 
Answer:
 organization: Turkish Historical Society