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He played in Buddy Rich 's orchestra in 1946-47 , then returned to service under Herman in 1947-48 .
 person: Buddy Rich; person: Herman
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: Buddy Rich, Herman 
Answer:
 person: Buddy Rich; person: Herman