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Various judicial proceedings at the International Criminal Tribunal for the Former Yugoslavia ( ICTY ) have investigated different levels of responsibility of the Yugoslav People 's Army and the leadership of FRY and Serbia for the war crimes committed by the ethnic Serbs in other republics of former Yugoslavia , while the Government of Serbia has been tasked with apprehending numerous ethnic Serb fugitives from the Tribunal .
 Yugoslavia, Yugoslav People 's Army, Serbia, Yugoslavia, Serbia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yugoslavia, Yugoslav People 's Army, Serbia, Yugoslavia, Serbia