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Igor Pokrajac ( born January 2 , 1979 ) is a Croatia n mixed martial artist currently signed with the Ultimate Fighting Championship competing in their light heavyweight division .
 Igor Pokrajac, 2, Croatia, Ultimate Fighting Championship
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Igor Pokrajac, 2, Croatia, Ultimate Fighting Championship