#JSGF V1.0; grammar restaurant_object; public <restaurant> = [tobi] [please] <command> [please] [tobi]; <command> = <objects>; <objects> = <drinks> | <snacks>; <drinks> = (orange juice) | (fruit juice) | (ice tea) | coffee | beer; <snacks> = chocolates | (chewing gum) | peanuts;