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In his first major initiative as king he met  Algeria  's then president  Ahmed Ben Bella  in Bamako the capital of neighboring Mali and made sweeping concessions that led to 12 years of peace in the Sahara .
 employee of: Algeria, Ahmed Ben Bella
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: Algeria, Ahmed Ben Bella