Utilize the input text as a context reference, choose the right relationship between 'Sky broadband' and 'Sky' from the options.
Options: operator, parent organization, 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