Post to Facebook GM may export China-made Buick to U.S. General Motors is close to becoming the first major automaker to sell a China-made vehicle in the U.S. in a move that could fuel political consternation over the decline of the American manufacturing sector.
In the context of the input sentence, determine the relationship between 'Buick' and 'General Motors'.
Options: owned by, parent organization, legal form, director/manager