Definition: 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: Eric looked everywhere for his missing iPod. Sentence2: He strip searched his room to no avail. Sentence3: He checked the rest of his apartment to no avail. Sentence4: Eric was sad, as he really loved that iPod. Sentence5: However, when he sorted his laundry, he found the iPod in his pocket!
Output:
Eric