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.
Refer to the input text as context and select the correct relationship between 'SABMiller' and 'beer' from the available options.
Options: platform, product/material produced, chairperson, stock exchange