Identify the CORRECT essential or nonessential phrase in each sentence. Nonessential phrases are offset with commas.

The cheetah a fast spotted animal runs the deserts of the world.
The cheetah, a fast spotted animal, runs the deserts of the world.
The cheetah, a fast spotted animal runs the deserts of the world.
The cheetah a fast, spotted animal, runs the deserts of the world.

The correct answer is: The cheetah, a fast spotted animal, runs the deserts of the world.