Utilize the input text as a context reference, choose the right relationship between Goldman Sachs and investment bank from the options. Options: 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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