6344
The first optometrist school in  Ghana  started at the department of Physics  Kwame Nkrumah University of Science and Technology  in 1992 .
 country of headquarters: Ghana, Kwame Nkrumah University of Science and Technology
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:
 country of headquarters: Ghana, Kwame Nkrumah University of Science and Technology