300
They ' re not coming forward and telling us what the risks are , what the costs are , how many years we might be in , the possibility of us getting bogged down , because what Americans know that , they ' re opposed to this war .
 we: attacker
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:
 we: attacker