5506
He used his rising popularity amongst the Serb people to oust former mentor Ivan Stambolic and take over as President of the Serbian republic .
 national religious political: Serb; person: Ivan Stambolic; national religious political: Serbian
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 national religious political: Serb; person: Ivan Stambolic; national religious political: Serbian