2566
( voice - over ): That blast turned out to be a rocket - propelled grenade , but there ' s plenty of artillery and mortar fire to come .
 mortar: instrument; artillery: 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:
 mortar: instrument; artillery: instrument