83702
In the winter break of the 2010-11 season , he joined Bosnian Premier League side NK Zvijezda Gradačac .
 Bosnian Premier League, NK Zvijezda Gradačac
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bosnian Premier League, NK Zvijezda Gradačac