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His music journey started when he got into A.R. Rahman 's school KM Music Conservatory .
 person: A.R. Rahman; organization: KM; organization: Conservatory
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: A.R. Rahman, KM, Conservatory 
Answer:
 person: A.R. Rahman; organization: KM; organization: Conservatory