What is the relationship between Goldman Sachs and investment bank in the context of the input sentence. Choose an answer from: 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.

by Sarah Thompson Anthony Macdonald Jake Mitchell The near quadrupling of vitamin maker Blackmores' share price over the past 12 months has put a potential $1 billion-plus price tag on high-profile rival Swisse Wellness, which has investment bank Goldman Sachs in its corner testing the appetite of potential buyers.
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