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Silence is golden -- especially when your hand is weak -- top Moscow policy analysts said in an assessment of the fallout from Russia ' s vocal opposition to what turned out to be a swift US - led campaign in Iraq .
 US: attacker; Iraq: 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:
 US: attacker; Iraq: place