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: When fixing a house I found the end of a wire in the walls. Sentence2: I followed it room by room until it ended. Sentence3: The end of the wire was connected to the fuse box. Sentence4: The label on the fuse switch was for electrical things. Sentence5: Since it was worthless, I yanked out the wire and fuse label.
Output:
I (myself)