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China , the North ' s ally and major aid donor , says it doesn ' t want Pyongyang to acquire nuclear weapons and has appealed for a negotiated settlement to the crisis .
 Pyongyang: buyer; weapons: artifact
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: transfer ownership 
  Option: artifact, seller, place, beneficiary, buyer 
Text: {0} 
Answer:
 Pyongyang: buyer; weapons: artifact