LONDON - Centrica will cut around 10 percent of its workforce and sell up to 1 billion pounds ($1.56 billion) worth of upstream and wind assets by 2017 as Britain's largest utility looks to focus on energy supply and services.
Refer to the input text as context and select the correct relationship between 'Centrica' and 'energy supply' from the available options.
Options: industry, parent organization, chairperson, creator