2624
From the south to the n orth in the rolling hills of northern Iraq , coalition air strikes targeted Iraqi positions today in what ' s been called a ferocious bombardment .
 coalition: attacker; hills: place
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:
 coalition: attacker; hills: place