234
Iraqis mostly fought back with small arms , pistols , machine guns and rocket - propelled grenades .
 Iraqis: attacker; arms: instrument; pistols: instrument; guns: instrument; grenades: 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:
 Iraqis: attacker; arms: instrument; pistols: instrument; guns: instrument; grenades: instrument