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President Bush very narrowly won in Florida by a margin of 1.89 % , making it the first time it had backed the losing candidate since 1960 , when it voted for Richard Nixon over John F. Kennedy .
 Bush, Richard Nixon, 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:
 Bush, Richard Nixon, John F. Kennedy