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The Party of Democratic Action ( SDA ) had called on Wednesday for its followers abroad to boycott the absentee balloting because of voter registration irregularities , especially among Serb refugees .
 organization: Party of Democratic Action; else: Serb; organization: SDA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 organization: Party of Democratic Action; else: Serb; organization: SDA