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Burundi  's President  Pierre Nkurunziza  on Thursday signed pardons to ease congestion in the country's overcrowded jails a day after inmates rioted in the main Bujumbura prison .
 employee of: Burundi, Pierre Nkurunziza
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:
 employee of: Burundi, Pierre Nkurunziza