Paytm, the youngest licensee, Reliance Industries , Bharti Airtel , Vodafone , Aditya Birla Nuvo , Sun Pharma founder Dilip Shanghvi , Fino PayTech, Tech Mahindra , National Securities Depository, Cholamandalam Finance and India Post were among the 42 applicants that got approval for starting payments banks.
What is the relationship between 'Bharti Airtel' and 'Vodafone' in the context of the input sentence.
Options: owned by, legal form, subsidiary, publisher