<human>:  How did vodka originate?
<bot>: Vodka is a distilled beverage made from fermented cereals or potatoes. It is a clear, colourless, strong-tasting, highly alcoholic beverage. It is usually distilled from grains such as rye, wheat, or corn, and is often flavoured with herbs, spices, or fruit. Vodka is a popular drink in many countries around the world, and is often used as a mixer for cocktails.