14590
On the first of April 2008  Ian Khama  ascended to the presidency as the fourth President of the Republic of  Botswana  as a result relinquishing his chairmanship of the Botswana Democratic Party .
 employee of: Ian Khama, Botswana
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: Ian Khama, Botswana