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Daniel Ivin ( born Danko Goldstein ; April 16 , 1932 , Karlovac ) is Croatia n writer , politician and known human rights activist .
 Karlovac, Croatia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karlovac, Croatia