Q: 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: 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.
A:
Kawasaki, Jason