Analyze the relationship between 'Buick Encore' and 'Buick' within the context of the input sentence.
Options: brand, founded by, industry, chief executive officer

From small crossovers like the Buick Encore (up 29%), to midsize models like the Chevrolet Equinox (up 18%) and Cadillac SRX (up 52%), to the full size GMC Acadia (up 10%) and Buick Enclave (up 27%), GM is having success across the board with these models.
brand