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Vladimir Putin has indeed reversed the democratizing course set , however clumsily and incompletely , by Boris Yeltsin , and he is using Russia 's vast reserves of oil and gas as tools of intimidation and blackmail .
 nationality: Boris Yeltsin, Russia; nationality: Vladimir Putin, Russia
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: 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:
 nationality: Boris Yeltsin, Russia; nationality: Vladimir Putin, Russia