12906
SingTel will sell the multimedia gadget in Singapore Bharti Airtel Ltd. in India Globe Telecom Inc. in the Philippines and  Optus  in  Australia  the companies said in a brief joint statement without giving details .
 country of headquarters: Optus, Australia
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: Optus, Australia