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The historic distribution of bears and the impression the bear has made on people are reflected in the names of a number of localities ( some notable examples include Berlin , Bern , Medvednica , Otepää and Ayu-Dag ) , as well as personal names - for example , Xiong ( 熊 ) , Bernard , Arthur , Ursula , Urs , Ursicinus , Orsolya , Björn , Nedved , Medvedev and Otso .
 Berlin, Bern, Medvednica, Otepää, Ayu-Dag, Xiong, Bernard, Arthur, Ursula, Urs, Ursicinus, Björn, Nedved, Medvedev
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Berlin, Bern, Medvednica, Otepää, Ayu-Dag, Xiong, Bernard, Arthur, Ursula, Urs, Ursicinus, Björn, Nedved, Medvedev