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He is a noted exponent of contemporary music , and in 2010 founded the Theseus Ensemble with the patronage of Pierre Boulez .
 person: Pierre Boulez
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: Pierre Boulez 
Answer:
 person: Pierre Boulez