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He 's a veteran of the Iraq war and founder of Operation Truth dot org the nation 's first and largest advocacy group for Iraq and Afghanistan war veterans .
 Iraq, Operation Truth, first, Iraq, Afghanistan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Iraq, Operation Truth, first, Iraq, Afghanistan