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: John and Amy were playing tag with some friends. Sentence2: John tagged Amy and she took off running. Sentence3: She ran fast, but not fast enough. Sentence4: Soon the others caught up to her. Sentence5: Now it was time for Amy to chase everyone!

SOLUTION: Amy, Everyone, John, Friends

PROBLEM: Sentence1: Dennis decides he wants more hours at work. Sentence2: He decides he doesn't want to ask his boss for more hours. Sentence3: So, instead he just dawdles at night before he clocks out. Sentence4: But his boss is taking notice and tells him to stop. Sentence5: Dennis decides to ask his boss for more hours.

SOLUTION: Dennis, Boss

PROBLEM: Sentence1: John's goal was to learn how to draw well. Sentence2: He read books about perspective, shading, and anatomy. Sentence3: But whenever he practiced drawing, he was disappointed in his results. Sentence4: Eventually, he became too frustrated and never drew again. Sentence5: A year later, he thought of how much progress he could have made.

SOLUTION:
John