John Rosevear TMFMarlowe Aug 9, 2015 at 9:12AM Workers assemble a Chevrolet Silverado 2500 HD at a General Motors factory in Flint, Mich. GM this week announced $877 million worth of upgrade plans for the Flint factory.
What is the relationship between 'Chevrolet Silverado' and 'General Motors' in the context of the input sentence.
Options: subsidiary, manufacturer, product/material produced, developer