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.
Q: Sentence1: Jason wanted nothing more than to be on top of everyone else. Sentence2: To achieve his ambition, he devoted all his hours to devise a plan. Sentence3: He worked on the plan for years, adjusting details every day. Sentence4: But after years and years of work, he still wasn't at the top. Sentence5: In the end, the plan was so complicated, he had to let it go.
A:
Everyone else, Jason