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Biography Viktor Tikhonov was born in the Soviet Union on June 4 , 1930 .
 person: Viktor Tikhonov; location: Soviet Union
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Viktor Tikhonov, Soviet Union 
Answer:
 person: Viktor Tikhonov; location: Soviet Union