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Reformist allies of Yugoslav President Vojislav Kostunica have scored a decisive victory in today ' s Serbian parliamentary elections .
 Yugoslav, Serbian, Serbian parliamentary, Reformist allies of Yugoslav President Vojislav Kostunica, Yugoslav President, Yugoslav President Vojislav Kostunica
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Yugoslav, Serbian, Serbian parliamentary, Reformist allies of Yugoslav President Vojislav Kostunica, Yugoslav President, Yugoslav President Vojislav Kostunica