5170
* The Australian * further said that new Satyam chief executive A S Murty is understood to have flown to  Australia  last week in a last-ditch bid to retain the  Telstra  contract and the Indian IT company placed a compelling case to continue with Telstra .
 country of headquarters: Australia, Telstra
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: Australia, Telstra