Utilize the input text as a context reference, choose the right relationship between SABMiller and beer 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.

After weeks of negotiation and months of speculation, beer giants SABMiller PLC and Anheuser-Busch InBev SA on Tuesday said they’ve agreed on the keys terms for a merger.
product_or_material_produced