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Kurdistan Democratic Party ( KDP ) of Massoud Barzani said that it was being backed by Iraqi heavy armour and artillery in a battle with rival Kurds for the city of Arbil , a senior U.N. official in Baghdad said .
 organization: U.N.; location: Baghdad; person: Massoud Barzani; else: Iraqi; location: Arbil; organization: KDP; else: Kurds; organization: Kurdistan Democratic Party
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:
 organization: U.N.; location: Baghdad; person: Massoud Barzani; else: Iraqi; location: Arbil; organization: KDP; else: Kurds; organization: Kurdistan Democratic Party