6104
The bridge was officially opened by the President of Namibia Dr. Sam Nujoma and President of  Zambia   Levy Mwanawasa  on 13 May 2004 in Katima Mulilo .
 employee of: Zambia, Levy Mwanawasa
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: Zambia, Levy Mwanawasa