Instructions: 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: Ann's art teacher assigned the class to draw caricatures. Sentence2: Ann drew the chubby girl who sat next to her. Sentence3: She exaggerated the drawing so it looked like a circus fat lady. Sentence4: The art teacher collected the caricatures. Sentence5: The next day, And saw the girl looking at her caricature on the wall.
Output:
The class, Ann, The chubby girl, Ann's art teacher