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.

The joint venture began in 2004, and was reconfigured in 2008 for a 10-year term as the companies sought to counter the dominance in the region of SABMiller Plc, which controls more than 90 percent of the South African beer market.

Answer: product_or_material_produced