Which sentence contains an adverb modifying an adjective?(1 point)

Responses

Unfortunately, it began to rain.
Unfortunately, it began to rain.

The very content cow chewed cud.
The very content cow chewed cud.

Slowly, the sleepy pig rolled over.
Slowly, the sleepy pig rolled over.

The barn cat purred happily.

The barn cat purred happily.

The sentence "Slowly, the sleepy pig rolled over." contains an adverb modifying an adjective.