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Toni Harper ( born June 8 , 1937 ) ( aka Toni Dunlap ) is a former child singer , who retired from performing at the age of 29 .
 Toni Harper, Toni
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Toni Harper, Toni