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White House confirms video showing beheading of US journalist James Foley by jihadist is authentic http://t.co/uoUFQQ9Kw3
 White House, US, James Foley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 White House, US, James Foley