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The lesson that all of Europe should draw is the importance of alternative corridors of energy and of not being dependent on one source of energy , especially from a country such as Russia , '' George Arveladze , presidential chief of staff in Georgia , said Tuesday in an interview .
 Europe, Russia
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:
 Europe, Russia