Create a PancakeHouseMenuIterator class and implement it in the PancakeHouseMenu.
Create the Menu interface and implement it in your two menu types and WaiterBot.
Have the WaiterBot in Main print out the full menu, then the breakfast menu then the lunch menu.
Have the waiter bot in main print out the vegetarian menu and the veggie haters menus by implementing two new functions and calling them in Main.