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Coinage of the term has been credited to Soviet aeronautics ( or " cosmonautics " ) pioneer Mikhail Tikhonravov ( 1900 – 1974 ) .
 person: Mikhail Tikhonravov
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: Mikhail Tikhonravov 
Answer:
 person: Mikhail Tikhonravov