281
Overnight and early this morning , the tanks and Bradley fighting vehicles of the 3rd Infantry Division backed by the Apache attack helicopters of the 11th Aviation Regiment punched through the Republican Guard defenses in and around Karbala .
 3rd Infantry Division: attacker; 11th Aviation Regiment: attacker; Karbala: place; Republican Guard: target; tanks: instrument; vehicles: instrument; helicopters: 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:
 3rd Infantry Division: attacker; 11th Aviation Regiment: attacker; Karbala: place; Republican Guard: target; tanks: instrument; vehicles: instrument; helicopters: instrument