Utilize the input text as a context reference, choose the right relationship between 'Telenet' and 'Base' from the options.
Options: director/manager, chairperson, owner of, business division

-- Cable telecoms company Liberty Global's Belgian subsidiary Telenet to buy mobile network operator Base from Dutch group KPN (notified Aug. 17/deadline extended to Oct. 5 from Sept. 21 after Liberty Global offered commitments)
owner of