Utilize the input text as a context reference, choose the right relationship between Buick and General Motors from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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.

Answer: owned_by