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there ' s some shocking new information about the life of john f . kennedy , both before and during his days in the white house .
 john f . kennedy, his, the white house
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 john f . kennedy, his, the white house