What is the relationship between Bharti Airtel and Vodafone in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

MUMBAI, Aug 19 (Reuters) - India's leading mobile carriers Bharti Airtel Ltd and Vodafone India were among 11 companies selected by the country's central bank to help set up "payments banks" aimed at granting millions of citizens access to basic banking.

Answer: owned_by