91
We call on all Arab states to act immediately to defend Iraq and counter the US war ," he said .
 US: attacker
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:
 US: attacker