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Twelve-year-old singer Shaheen Jafargholi performed the song at Michael Jackson 's public memorial service in July 2009 .
 person: Shaheen Jafargholi; person: Michael Jackson
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Shaheen Jafargholi; person: Michael Jackson