5944
Their aim is to goad the administration to block trade or unrestricted aid to North Korea until it opens its borders and begins to reform human rights , no matter how much that demand might complicate the talks to stop Pyongyang 's nuclear weapons program or irk China or American allies like South Korea that favor a less confrontational approach .
 Pyongyang, North Korea; North Korea, Pyongyang; 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:
 Pyongyang, North Korea; North Korea, Pyongyang; North Korea, Pyongyang; North Korea, Pyongyang