6686
But Mukesh Ambani's deal will put Infotel in head-to-head competition with his brother's  Reliance Communications   India  's second-largest mobile company by subscribers with 100 million cell phone customers .
 country of headquarters: Reliance Communications, India
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: Reliance Communications, India