Q: 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: Jake was trying to mop the floor. Sentence2: He noticed it kept looking dirty. Sentence3: Eventually he figured out the problem. Sentence4: The bucket he was using was terribly dirty. Sentence5: He cleaned it out and was able to mop properly.
A:
Jake