2782
Numhyd is an oil company founded on 4 April 2003 jointly owned and managed by  Algeria  's  Sonatrach  and Tunisia's ETAP who each own 50 % .
 country of headquarters: Algeria, Sonatrach
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: Algeria, Sonatrach