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.
Analyze the relationship between 'LetterOne' and 'Mikhail Fridman' within the context of the input sentence.
Options: member of, owned by, headquarters location, industry