In the design phase, we have discovered some derived requirements. Specifically, we need an object-oriented language with multiple inheritance. The lever that lowers the food lacks versatility, and the darkness knob is confusing. Users won't buy the product unless it has a user-friendly, graphical interface. When the breakfast cooker is plugged in, users should see a cowboy boot on the screen.
Users can pull down a menu and click on the foods they want to cook.
The king wisely had the computer scientist beheaded, and they all lived happily ever after.