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He was a student of the Belgrade Higher School , today 's University of Belgrade .
 organization: Belgrade; organization: University of Belgrade
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: Belgrade, University of Belgrade 
Answer:
 organization: Belgrade; organization: University of Belgrade