550
But he also said , `` He may destroy them to embarrass us ,'' to show the world he never had such weapons and that Bush invaded for no reason other than aggression .
 Bush: 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:
 Bush: attacker