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Heiti Talvik ( born 9 November 1904 in Tartu , died 18 July 1947 in the Tyumen Oblast , Soviet Union ) was an Estonia n poet .
 Heiti Talvik, Tartu, Tyumen Oblast, Soviet Union
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Heiti Talvik, Tartu, Tyumen Oblast, Soviet Union