Take context from the input text and decide on the accurate relationship between 'SABMiller' and 'beer' from the options provided.
Options: product/material produced, owner of, operator, currency

Tsingtao Brewery surged 8.6 per cent in Hong Kong after Goldman Sachs Group said a deal between SABMiller and Anheuser-Busch InBev is a "game changer" for China's beer industry if it gets completed.
product/material produced