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Background and history The song was written and produced by Keri Hilson , Lil Jon and T-Pain for Hilson 's debut studio album In a Perfect World ... .
 person: Keri Hilson; person: Lil Jon; person: T-Pain; person: Hilson
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: Keri Hilson, Lil Jon, T-Pain, Hilson 
Answer:
 person: Keri Hilson; person: Lil Jon; person: T-Pain; person: Hilson