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Jerry Garcia of the Grateful Dead plays guitar on three songs , and Sly Stone plays keyboards and sings on one song .
 person: Jerry Garcia; person: Sly Stone
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: Jerry Garcia, Sly Stone 
Answer:
 person: Jerry Garcia; person: Sly Stone