Utilize the input text as a context reference, choose the right relationship between 'Telenet' and 'Liberty Global' from the options.
Options: parent organization, member of, developer, employer

-- 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)
parent organization