1988
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 .
 geographical social political: US; geographical social political: Beijing; geographical social political: North Korean; geographical social political: US; geographical social political: the Stalinist state; geographical social political: it; geographical social political: US; organization: the North Korean delegation; person: US sources with authoritative knowledge of the Beijing meetings; person: the head of the North Korean delegation; person: Li Gun; person: US envoy; person: US envoy James Kelly; weapon: nuclear; weapon: nuclear weapons; weapon: them
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: US, Beijing, North Korean, US, the Stalinist state, it, US, the North Korean delegation, US sources with authoritative knowledge of the Beijing meetings, the head of the North Korean delegation, Li Gun, US envoy, US envoy James Kelly, nuclear, nuclear weapons, them 
Answer:
 geographical social political: US; geographical social political: Beijing; geographical social political: North Korean; geographical social political: US; geographical social political: the Stalinist state; geographical social political: it; geographical social political: US; organization: the North Korean delegation; person: US sources with authoritative knowledge of the Beijing meetings; person: the head of the North Korean delegation; person: Li Gun; person: US envoy; person: US envoy James Kelly; weapon: nuclear; weapon: nuclear weapons; weapon: them