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Camp McGovern was built in the ZOS for the purpose of establishing peacekeeping operations , specifically between Muslims in Gornji Rahić near Brka and Serbs in Brčko .
 Gornji Rahić, Brčko
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gornji Rahić, Brčko