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In a horribly deceitful manner , the Brady Campaign has released " report cards " for every state on their gun laws that supposedly shield children from gun violence .
 their: place; children: target; gun: 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:
 their: place; children: target; gun: instrument