Refer to the input text as context and select the correct relationship between 'Bharti Airtel' and 'Vodafone' from the available options.
Options: owned by, developer, original broadcaster, founded by

As per India Ratings and Research (Ind-Ra), with these new norms, the industry could see emergence of four pan-India players — Bharti Airtel , Vodafone India, Idea Cellular and Reliance Jio Infocomm — while others may exit.
owned by