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Mario Kröpfl ( born December 21 , 1989 ) is an Austrian professional association football player currently playing for Austrian Football Bundesliga side Wolfsberger AC .
 Mario Kröpfl, Austrian, Austrian Football Bundesliga, Wolfsberger AC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mario Kröpfl, Austrian, Austrian Football Bundesliga, Wolfsberger AC