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Karin Adele Gunilla von Post Miller , usually Gunilla von Post , ( July 10 , 1932 - October 14 , 2011 ) was a Swedish aristocrat noted for a book alleging an intimate relationship with John F. Kennedy in the 1950s , titled " Love , Jack " , published in 1997 .
 Gunilla von Post, Gunilla von Post, Swedish, John F. Kennedy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gunilla von Post, Gunilla von Post, Swedish, John F. Kennedy