Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Joy's mom sent her in the donut store for a dozen donuts. Sentence2: She told the worker which twelve she wanted. Sentence3: She was confused when the worker said she got one more. Sentence4: The worker told her what a baker's dozen was. Sentence5: She was happy as she left with 13 donuts instead of 12.
Student:
Joy, Worker, Joy's mom