-- 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)
What is the relationship between 'Telenet' and 'Liberty Global' in the context of the input sentence.
Options: owned by, chief executive officer, product/material produced, stock exchange