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Like 12 Play before it , R. Kelly was certified five times platinum and had two singles hit # 1 on the R&B chart : " You Remind Me of Something " and " Down Low ( Nobody Has to Know ) " , the latter featuring The Isley Brothers .
 R. Kelly
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 R. Kelly