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Inspired by S&M imagery , the video later influenced the work of singers Rihanna and Christina Aguilera .
 person: S&M; person: Rihanna; person: Christina Aguilera
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: S&M, Rihanna, Christina Aguilera 
Answer:
 person: S&M; person: Rihanna; person: Christina Aguilera