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In nearly every Serbian city protestors marched in the streets demanding Mr. Milosevic recognize opposition candidate Vojislav Kostunica as the outright winner of last week 's presidential election .
 Serbian, Milosevic, Vojislav Kostunica, last week 's
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Serbian, Milosevic, Vojislav Kostunica, last week 's