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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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 nationality: Yuri Andropov, Soviet Union