16885
The tension began last week with ethnic - Albanian rebels attacking Serb positions in the Presovo valley of Serbia killing four Serb policemen .
 date: last week; national religious political: Albanian; national religious political: Serb; location: Presovo; geographical social political: Serbia; cardinal: four; national religious political: Serb
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: last week, Albanian, Serb, Presovo, Serbia, four, Serb 
Answer:
 date: last week; national religious political: Albanian; national religious political: Serb; location: Presovo; geographical social political: Serbia; cardinal: four; national religious political: Serb