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Initially there were two candidates who had declared to run : former president of  Afghanistan  and Northern Alliance leader  Burhanuddin Rabbani  and the American-backed chairman of the Afghan Interim Administration Hamid Karzai .
 country of birth: Afghanistan, Burhanuddin Rabbani
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 country of birth: Afghanistan, Burhanuddin Rabbani