Take context from the input text and decide on the accurate relationship between 'Chevrolet Bolt' and 'Chevrolet' from the options provided.
Options: brand, location of formation, chairperson, parent organization

General Motors, meanwhile, is revamping its quiet-but-underwhelming Chevrolet Volt plug-in hybrid and announced the Chevrolet Bolt electric vehicle at this year's Detroit Auto Show.
brand