In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: Aaron was a stunt rider at a carnival. Sentence2: He jumped into a metal ball with other motorcyclists. Sentence3: They drove in circles around each other upside down. Sentence4: Once Aaron hit the other motorcyclist and broke his jaw. Sentence5: Now he is more careful but will never quit doing what he loves.
Motorcyclists, Aaron

Sentence1: My wife hates her job. Sentence2: She is a teacher to sixth graders and she always gets headaches. Sentence3: She complains that they are way to loud and don't listen. Sentence4: She asked the principal if she could teach at the high school level. Sentence5: The principal allowed her to switch to the junior year, she's happy.
I (myself), School, Principal, Sixth graders, Wife

Sentence1: Samantha had always dreamed of flying. Sentence2: She decided she wanted to learn to fly a plane. Sentence3: She saved up her money for flying lessons. Sentence4: When she was finally ready to start flying, she became ill. Sentence5: She realized she couldn't fly because of her terrible fear of heights.
Samantha