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With his mid-60s big band he backed performers including Aretha Franklin , Roy Hamilton , and Gladys Knight & the Pips .
 person: Aretha Franklin; person: Roy Hamilton
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: Aretha Franklin, Roy Hamilton 
Answer:
 person: Aretha Franklin; person: Roy Hamilton