6407
The announcement comes two days after  India  's biggest mobile service provider  Bharti Airtel  Ltd. said it was pulling out of talks with MTN .
 country of headquarters: India, Bharti Airtel
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  India, Bharti Airtel 
Answer:
 country of headquarters: India, Bharti Airtel