Question: The MG EX-E is a concept car that was produced by a manufacturer  are best known for which type of car ?
Sentence (from "MG Cars"): MG, the initials of Morris Garages, is an English automotive marque registered by the now defunct MG Car Company Limited, a British sports car manufacturer begun in the 1920s as a sales promotion sideline within W R Morris's Oxford city retail sales and service business by the business's manager, Cecil Kimber.
Relevant evidence: No