Take context from the input text and decide on the accurate relationship between 'Telenet' and 'Liberty Global' from the options provided.
Options: chief executive officer, stock exchange, product/material produced, owned by

-- Cable telecoms company Liberty Global (NasdaqGS: LBTYA - news ) 's Belgian subsidiary Telenet (Other OTC: TLGHF - news ) 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)
owned by