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His debut in the Nikolai Mashchenko film How the Steel Was Tempered ( 1975 , after Nikolai Ostrovsky 's autobiographical novel made him famous and got him the Lenin Komsomol Prize .
 Nikolai, Nikolai Ostrovsky, Lenin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nikolai, Nikolai Ostrovsky, Lenin