Instructions: 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.
Input: Sentence1: Simon lost his job. Sentence2: He needed a new one as soon as possible. Sentence3: He sent out a bunch of applications. Sentence4: At first, he got no response. Sentence5: Finally someone contacted him and offered him a job.
Output:
Simon