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Before Mr. Wolf there had been his friend -- and Mr. Gorbachev 's mentor -- Yuri Andropov , a longtime K.G.B. chief whose brief tenure at the helm of the Soviet Union was marked by a campaign against corruption , alcoholism , absenteeism and inefficiency .
 nationality: Yuri Andropov, Soviet Union
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: Yuri Andropov, Soviet Union