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At the 2012 World Championships , Fak won a gold medal at 20 km event and a silver medal at the mixed relay , together with Andreja Mali , Teja Gregorin and Klemen Bauer .
 Fak, Andreja Mali, Teja Gregorin, Klemen Bauer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fak, Andreja Mali, Teja Gregorin, Klemen Bauer