Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. The seeds are separated from the coffee fruit to produce a stable, raw product: unroasted green coffee. The seeds are then roasted, a process which transforms them into a consumable product: roasted coffee, which is ground into a powder and typically steeped in hot water before being filtered out, producing a cup of coffee. Coffee is darkly colored, bitter, slightly acidic, and has a stimulating effect on humans, primarily due to its caffeine content. As a result, it is one of the most popular drinks in the world.
A soft drink is a drink that typically contains carbonated water, a sweetener, and a natural or artificial flavoring.
The sweetener may be sugar, high-fructose corn syrup, fruit juice, sugar substitutes (in the case of diet drinks), or some combination of these. Soft drinks may also contain caffeine, colorings, preservatives, and other ingredients.