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: Carl was playing video games. Sentence2: He had not saved in a while. Sentence3: All of a sudden lightning struck. Sentence4: It took out the electricity in Carl's house. Sentence5: He lost all the work he had recently done.
A:
All, Carl