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In a 2009 interview , singer Connie Francis revealed that Dolly had been contacting her for years in an attempt to film the singer 's life story .
 Connie Francis, Dolly
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Connie Francis, Dolly