6147
For now , Bosnia must demonstrate that Serbia not only supplied but also controlled the troops that were involved in eradicating Muslim communities -- including Bosnian Serb troops and Belgrade 's own special forces and militias .
 country of capital: Serbia, Belgrade; location contains: Serbia, Belgrade
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 country of capital: Serbia, Belgrade; location contains: Serbia, Belgrade