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He taught the opera class at the Guildhall School of Music and from 1907 was Professor of Music at the Queen 's College .
 organization: Guildhall School of Music; organization: Queen 's College
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: Guildhall School of Music, Queen 's College 
Answer:
 organization: Guildhall School of Music; organization: Queen 's College