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Dragutin Babić was a Croatian footballer who represented the national team of the Kingdom of Serbs , Croats and Slovenes at the 1924 and 1928 Summer Olympics .
 Dragutin Babić, national team of the Kingdom of Serbs , Croats and Slovenes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dragutin Babić, national team of the Kingdom of Serbs , Croats and Slovenes