TASK 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.
PROBLEM: Sentence1: Ken is a DJ for a club. Sentence2: Last night he had a really annoying patron. Sentence3: They kept asking for different songs. Sentence4: Ken kept having to turn him down. Sentence5: Eventually he just ignored him completely.

SOLUTION: Ken, Annoying patron

PROBLEM: Sentence1: Leeroy stole Maddie's pencil when she wasn't looking. Sentence2: When Maddie returned, he told her he didn't know where it was. Sentence3: Maddie looked around everywhere for it. Sentence4: Leeroy felt terrible for denying having taken it. Sentence5: When Maddie wasn't looking, Leeroy put it back.

SOLUTION: Leeroy, Maddie

PROBLEM: Sentence1: Jack is not happy at his job, or his life. Sentence2: Jack thinks he needs something new that excites him. Sentence3: So, he decides to start a club. Sentence4: This club made Jack free! Sentence5: So Jack quit his job, and moved out, Jack has never been happier.

SOLUTION:
Jack