2715
Others are down to 50 percent , but there ' s still one or two divisions around 75 , 80 , 90 percent of their fighting strength , and they could still put up very stiff resistance , indeed , when the American forces get en masse to Baghdad itself .
 their: 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:
 their: attacker