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A 1966 festival organized by Gene Tyranny , 12 Hours of the New Music included music by Kabza along with pieces by John Cage , Gordon Mumma and Robert Ashley .
 person: Gene Tyranny; person: John Cage; person: Gordon Mumma; person: Robert Ashley
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: Gene Tyranny, John Cage, Gordon Mumma, Robert Ashley 
Answer:
 person: Gene Tyranny; person: John Cage; person: Gordon Mumma; person: Robert Ashley