13. The method of claim 10 , further comprising: discriminately displaying a menu option corresponding to the determined meaning of the input voice instruction having a highest probability from other menus.
13. The method of claim 10 , further comprising: discriminately displaying a menu option corresponding to the determined meaning of the input voice instruction having a highest probability from other menus. 14. The method of claim 13 , wherein menu is displayed by differentially controlling at least one of a size, a display position, a color, a contrast, or highlight information of the menu.