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Under the guidance of Claude Ballif , he rounded his music composition studies off with the unanimous award of the prize for composition .
 person: Claude Ballif
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: Claude Ballif 
Answer:
 person: Claude Ballif