Utilize the input text as a context reference, choose the right relationship between 'Samsung' and 'conglomerate' from the options.
Options: industry, product/material produced, headquarters location, stock exchange

South Korea's dominant Samsung conglomerate -- run by the country's wealthiest family -- secured shareholder approval Friday for the merger of two affiliates, seeing off a formidable challenge from investor activists led by a combative US hedge fund.
industry