To be  Mentadent toothpastes are no better clinically than the CVS brand--they're just cooler looking.
Mentadent toothpastes are much uglier than CVS brand toothpastes.
mnli hypothesis: Mentadent toothpastes are much uglier than CVS brand toothpastes. premise: To be  Mentadent toothpastes are no better clinically than the CVS brand--they're just cooler looking.