Aprepositional phrase that modifies a noun us acting as a(n)

Dogs have been considered man’s best friend for decades! most likely because of their kind and loyal nature. they make splendid companions. their loyalty is beyond compare and after all, a dog is the only thing on earth that loves you more than he loves himself! dogs see us as their friends and leaders, they’ll do anything in their power to ensure your comfort and safety.

Slap.without warning, the gorilla hit the glass of his enclosure. tourist dropped their cameras.