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Today  Air India  Express operates nearly 100 flights per week mainly from southern states of Tamil Nadu and Kerala in  India  .
 country of headquarters: Air India, India
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:  Air India, India 
Answer:
 country of headquarters: Air India, India