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What is interesting is not what they said but whether there will be a response from Pyongyang , '' said Charles L. Pritchard , a former State Department official who negotiated with the North and who used the same channel himself until he quit the Bush administration , partly to protest its North Korea policy .
 North Korea, Pyongyang; Pyongyang, North Korea; North Korea, Pyongyang; North Korea, Pyongyang
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 North Korea, Pyongyang; Pyongyang, North Korea; North Korea, Pyongyang; North Korea, Pyongyang