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Minister of Foreign Affairs  Andrei Gromyko  of the  Soviet Union  visited Tokyo in January 1972 one month before United States President Nixon's historic visit to China to reopen ministerial-level talks after a six-year lapse .
 employee of: Andrei Gromyko, Soviet Union
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Andrei Gromyko, Soviet Union 
Answer:
 employee of: Andrei Gromyko, Soviet Union