9984
 Fifteen years after ethnic conflict broke out in the western Balkans , Montenegro appears to have voted by a bare margin to separate from Serbia , in what may be one more step in redrawing the often contentious borders of the region . 
 location contains: Balkans, Serbia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Balkans, Serbia 
Answer:
 location contains: Balkans, Serbia