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Iraq 's Deputy Prime Minister Tareq Aziz said on Saturday Iraqi troops were fighting in northern Iraq to aid Kurdish rebel leader Massoud Barzani against rival forces .
 person: Massoud Barzani; person: Tareq Aziz; else: Iraqi; location: Iraq; else: Kurdish; location: Iraq
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 person: Massoud Barzani; person: Tareq Aziz; else: Iraqi; location: Iraq; else: Kurdish; location: Iraq