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Other prominent Sierra Leonean politicians from the Mende ethnic group include the country's second prime minister Sir  Albert Margai  who was also the younger brother of Milton Margai ; former commander of the Republic of  Sierra Leone  Armed Forces and former Sierra Leone's head of state Brigadier David Lansana ; former Head of State of Sierra Leone Brigadier General Julius Maada Bio ; former Sierra Leone's vice president Albert Joe Demby ; former Sierra Leone's vice president and attorney general Solomon Berewa ; former Sierra Leone's vice president minister of Justice and Attorney General Francis Minah ; former Sierra Leone's attorney general and one of the founding members of the Sierra Leone People's Party ( SLPP ) Banja Tejan-Sie .
 country of birth: Albert Margai, Sierra Leone
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Albert Margai, Sierra Leone 
Answer:
 country of birth: Albert Margai, Sierra Leone