Honda 's HR-V, based on the subcompact Fit, has sold over 20,000 copies in the U.S. after just a few months on the market, while General Motors ' ( NYSE:GM ) similarly sized Chevy Trax and Buick Encore have together sold about 70,000 so far in the U.S. in 2015.
Analyze the relationship between 'Buick Encore' and 'General Motors' within the context of the input sentence.
Options: manufacturer, creator, founded by, distribution format