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Bombers have also hit targets in the northern cities of Mosul , Kirkuk and Tikrit , Saddam ' s hometown .
 cities: place; Mosul: place; Kirkuk: place; Tikrit: place; Bombers: instrument
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 cities: place; Mosul: place; Kirkuk: place; Tikrit: place; Bombers: instrument