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An Iranian exile group based in Iraq vowed on Thursday to extend support to Iran 's Kurdish rebels after they were attacked by Iranian troops deep inside Iraq last month .
 Iran, Iraq, Iranian, Iranian, Iraq, Kurdish
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Iran, Iraq, Iranian, Iranian, Iraq, Kurdish