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In 1958 he graduated as an actor in Krastyo Sarafov National Academy for Theatre and Film Arts .
 Krastyo Sarafov National Academy for Theatre and Film Arts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Krastyo Sarafov National Academy for Theatre and Film Arts