4201
Some officials describe the steps as building blocks for what could turn into a broader quarantine if American allies in Asia -- particularly China and South Korea -- can be convinced that Mr. Kim 's declaration on nuclear weapons last week means he must finally be forced to choose between disarmament and even deeper isolation .
 Asia, South Korea; Asia, China
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:
 Asia, South Korea; Asia, China