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.

Other Articles SpiceJet Adds New Flights Starting 25th October, 2015 Paytm and InMobi Partner to Create the Largest Discovery and Mobile Shopping Platform in India Unitech Q1 sales bookings drops 47% at Rs 178 cr Investment bank Goldman Sachs will invest $150 million for a minority stake in India’s Piramal Realty, the Mumbai-based real-estate developer said on Monday.

Answer: product_or_material_produced