Given the task definition and input, reply with output. 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: Pete was tired. Sentence2: He had been working all day. Sentence3: He had a lot to finish up before the end of the week. Sentence4: He turned off his phone and continued to focus just on his work. Sentence5: He knew his job depended on a good performance.
Pete