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" I happen to think the war in Iraq is one of the greatest mistakes the U . S . has ever made " : @ Madeleine on #WWI parallels . #ReutersLive
 Iraq, U . S ., Madeleine, #ReutersLive
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Iraq, U . S ., Madeleine, #ReutersLive