574
Powell also expressed hope that South Korea and Japan will be able to participate `` when and if '' there is another round of talks .
 South Korea: entity; Japan: entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: meet 
  Option: entity, place 
Text: {0} 
Answer:
 South Korea: entity; Japan: entity