280
Regardless of what happens , the U . S . has a direct ethnic connection to China by way of Hmong , which will secure CIA - insurgency operations .
 None
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:
 None