1997
Serbia 's southern province of Kosovo , where the first Serbian state was created in the early Middle Ages , is mostly populated by the ethnic Albanian minority .
 Kosovo, Serbia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Kosovo, Serbia