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He studied the organ in Ireland and pursued studies in music composition with Godfrey Ridout and singing with Weldon Kilburn at the Toronto Conservatory of Music .
 person: Godfrey Ridout; organization: Toronto Conservatory of Music
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: Godfrey Ridout, Toronto Conservatory of Music 
Answer:
 person: Godfrey Ridout; organization: Toronto Conservatory of Music