2543
Have they done so much damage now to Iraqi command and control centers that they can no longer put up a proper fight , or are the best troops simply withdrawing into the city , to fight there street by street ?
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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:
 None