Refer to the input text as context and select the correct relationship between 'Sky broadband' and 'Sky' from the available options.
Options: parent organization, operator, chairperson, founded by

We're also reducing operating expenses while still maintaining good momentum in our key initiative, which is Sky Q, which is now in close to 50% of customers' homes or over 10 percentage points higher year-on-year, and the successful launch of Sky broadband in Italy, utilizing Comcast xFi technology.
parent organization