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Mr. Putin announced that Iran had agreed to enter negotiations with six United Nations powers , the United States , the United Kingdom , Germany , France , Russia and China , which the Moscow Times called `` the most significant diplomatic initiative in more than three years . ''
 Russia, Moscow; Moscow, Russia; Russia, Moscow; Russia, Moscow
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:
 Russia, Moscow; Moscow, Russia; Russia, Moscow; Russia, Moscow