4729
In the cellular segment the second largest cellular provider in  Pakistan   Ufone  based on GSM 800/1900 technology is also a wholly owned subsidiary of PTCL .
 country of headquarters: Pakistan, Ufone
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: Pakistan, Ufone