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Emilia Bayer , or Emilia N. Bayer was born May 5 , 1934 in Sofia , Bulgaria .
 Emilia Bayer, Emilia, Bayer, Sofia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Emilia Bayer, Emilia, Bayer, Sofia