Analyze the relationship between 'SABMiller' and 'beer' within the context of the input sentence.
Options: owner of, product/material produced, currency, operator

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