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Sherwood was in a class with Zappa 's brother Bobby , who introduced the two after learning that Sherwood was a collector of blues records .
 person: Sherwood; person: Zappa; person: Sherwood
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: Sherwood, Zappa, Sherwood 
Answer:
 person: Sherwood; person: Zappa; person: Sherwood