Take context from the input text and decide on the accurate relationship between 'Buick Envision' and 'Buick' from the options provided.
Options: currency, position held, brand, location of formation

The Buick Envision has been a big hit for GM in China That new SUV, the Buick Envision, is closely related to the upcoming all-new version of the Chevrolet Equinox.
brand