12834
He was due to head to the Bosnian town of Banja Luka on Friday to meet Bosnian Serb acting president Biljana Plavsic and Bosnian Serb opposition leaders .
 location: Banja Luka; else: Bosnian Serb; else: Bosnian; else: Bosnian Serb; person: Biljana Plavsic
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Banja Luka, Bosnian Serb, Bosnian, Bosnian Serb, Biljana Plavsic 
Answer:
 location: Banja Luka; else: Bosnian Serb; else: Bosnian; else: Bosnian Serb; person: Biljana Plavsic