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7 : 00 a . m ., u . s . central command says the coalition may never know if iraqi president saddam hussein survived a u . s . air strike yesterday .
 u . s: attacker; saddam hussein: target
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:
 u . s: attacker; saddam hussein: target