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.
Take context from the input text and decide on the accurate relationship between 'Centrica' and 'energy supply' from the options provided.
Options: creator, industry, chairperson, parent organization