1950
On April 16 2009  Koroma  was re-elected unopposed by the APC as the party's presidential candidate in the 2012  Sierra Leone  presidential election at the APC National Delegates convention held in the northern city of Makeni .
 employee of: Koroma, Sierra Leone
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: Koroma, Sierra Leone