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Alasdair studied at the Royal Northern College of Music in Manchester under Emma Ferrand and Ralph Kirshbaum and at the Musik Akademie in Basel , Switzerland , with Thomas Demenga .
 person: Alasdair; organization: Royal Northern College of Music; person: Ralph Kirshbaum
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: Alasdair, Royal Northern College of Music, Ralph Kirshbaum 
Answer:
 person: Alasdair; organization: Royal Northern College of Music; person: Ralph Kirshbaum