Airtel M Commerce Services Ltd, a unit of Bharti Airtel - the world's third-largest telecom company by number of subscribers - is among 41 applicants, including the likes of Reliance Industries, Aditya Birla Group, Tech Mahindra, Vodafone and Videocon, who are seeking payment bank licences.
Utilize the input text as a context reference, choose the right relationship between 'Bharti Airtel' and 'Vodafone' from the options.
Options: product/material produced, owned by, founded by, subsidiary