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 on a deal in Italy and came close a few times before scrapping it at the eleventh hour over control.
Refer to the input text as context and select the correct relationship between 'LetterOne' and 'Mikhail Fridman' from the available options.
Options: member of, owned by, headquarters location, industry