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.
Text: Meanwhile, Le Peigne, which manages money on behalf of LVMH boss Bernard Arnault and his family, is halving its stake in Betfair by selling 4.6m shares that are valued at nearly £155m.
user
director_/_manager: LVMH, Bernard Arnault; chief_executive_officer: LVMH, Bernard Arnault
assistant