170
Thus , for a " 3 to 6 month " operation in China in 1937 , Japan would embark on a war that would strip her of all the possessions and industries she had acquired in 70 years .
 China: attacker; Japan: 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:
 China: attacker; Japan: attacker