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Oleg Tronko ( born in 20 June 1918 , Kiev , Russian Empire - died on 27 February 1939 , Rome , Italy ) was a Catholic convert from Orthodoxy and a seminarist from Russicum .
 Kiev, Russian Empire, Rome, Italy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kiev, Russian Empire, Rome, Italy