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In his civilian studies , he earned a Master of Arts degree in National Security and Strategic Studies at Georgetown University .
 organization: Security; organization: Georgetown University
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: Security, Georgetown University 
Answer:
 organization: Security; organization: Georgetown University