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.

(Reuters) - Royal Dutch Shell (RDSa.L), which is all set to acquire rival BG Group Plc (BG.L), may cut its capital expenditure for the year by several billion dollars from the previously announced $33 billion figure (21 billion pounds), the Financial Times reported on Sunday, citing sources.

Answer: parent_organization: BG Group, Royal Dutch Shell