Utilize the input text as a context reference, choose the right relationship between 'LetterOne' and 'Mikhail Fridman' from the options.
Options: owned by, member of, headquarters location, publisher

Hutchison Chairman Li Ka-shing and Russian billionaire Mikhail Fridman - whose LetterOne fund holds 47.9 percent of Vimpelcom's voting rights - have held on-off talks for years and came close to clinching a deal a few times before scrapping it at the eleventh hour over governance control.
owned by