Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

British Gas owner Centrica and Shell to slash more than 10,000 jobs amid energy slump British Gas owner Centrica and Shell to slash more than 10,000 jobs amid energy slump OIL giant Royal Dutch Shell and British Gas owner Centrica are planning to cut more than 10,000 jobs between them.

Answer: owner_of: Centrica, British Gas; owned_by: British Gas, Centrica