instruction:
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.
question:
Sentence1: Clayton was deathly afraid of house centipedes. Sentence2: One day he saw one scuttling around on his floor. Sentence3: Terrified, he called over his roommate to kill it for him. Sentence4: She walked in, unafraid, and swiftly smashed the bug with a book. Sentence5: Clayton was grateful and actually kind of impressed.
answer:
Clayton, Roommate

question:
Sentence1: Jason grew up riding motorcycles. Sentence2: He won his first motorcycle race at the age of 13. Sentence3: He kept racing and improving. Sentence4: Kawasaki sponsored him at the age of seventeen. Sentence5: Jason said that gave him to confidence to win the motocross.
answer:
Kawasaki, Jason

question:
Sentence1: When I was four I get piggyback rides from my brother. Sentence2: This was a great time in my life. Sentence3: Hanging out with my brother was moments that I cherished. Sentence4: Now that I am older I don't see my brother as often. Sentence5: I get depressed, but I think about the good times to cheer me up.
answer:
I (myself), Brother