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US sources with authoritative knowledge of the Beijing meetings said the head of the North Korean delegation Li Gun had confirmed to US envoy James Kelly that the Stalinist state had developed nuclear weapons and hinted it may sell or use them , depending on US actions .
 transfer ownership: sell
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 transfer ownership: sell