You can train computers to recognize what certain words mean and what else is associated with those words. For example, if you have fries, fries and gravy, and poutine on your menu, and they come in all different sizes, a person can come up to the drive-thru window and say ‘can I have a large fry’, or ‘can I have a large fry with gravy’, or ‘can I have 3 fries, and one of them has poutine’ – you have to train the computer to understand this type of order.