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164 days after the expiration of the federal " assault weapons " ban some lunatic opened fire with an AK - 47 outside a Texas courthouse .
 lunatic: attacker; courthouse: place; AK - 47: instrument
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:
 lunatic: attacker; courthouse: place; AK - 47: instrument