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" The mob dragged out three members of a family and ( killed ) them with machetes and spears before fleeing the area ," the spokesman said by telephone from Agartala .
 mob: attacker; area: place; them: target; machetes: instrument; spears: 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:
 mob: attacker; area: place; them: target; machetes: instrument; spears: instrument