All that said, this doesn't stop competitors including AB-acquisition target SABMiller and MolsonCoors joint venture MillerCoors from airing ads during games or from serving beers at their stadiums (as Coors has in Denver , for example).
Analyze the relationship between 'MillerCoors' and 'SABMiller' within the context of the input sentence.
Options: publisher, manufacturer, owner of, parent organization