2769
U.N. officials said that a Kurdish rebel faction backed up by Iraqi tanks , heavy artillery and helicopters had taken control of half of the city after heavy fighting .
 else: Iraqi; organization: U.N.; else: Kurdish
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:
 else: Iraqi; organization: U.N.; else: Kurdish