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From 1991 he was choirmaster on The Royal Opera in Aarhus .
 organization: The Royal Opera; organization: Aarhus
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: The Royal Opera, Aarhus 
Answer:
 organization: The Royal Opera; organization: Aarhus