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Nor was it the basis for the operas of Eugen d'Albert ( " Der Golem " ( opera ) ) or Nicolae Bretan ( " Golem " ( Bretan opera ) ) .
 Eugen d'Albert, Nicolae Bretan, Bretan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eugen d'Albert, Nicolae Bretan, Bretan