Cami was just beginning to understand why her best friend, Julia, loved riding horses so much. When Julia had first asked her to join her for a Saturday ride through the canyon, Cami was hesitant. She had never been on a horse before, and they were such large, powerful creatures. An hour into the ride, she was having a blast. Smokey, the painted stallion she was riding, was so passive and minded her every command with ease. That was until without warning he reared up on its hind legs, pawed at the air and neighed loudly. Cami tightened her legs around Smokey’s body and pulled back firmly on the reins.
Based on the horse’s actions at the end of the paragraph, the reader can conclude that —