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: Cathy recently took a trip to the Bahamas. Sentence2: While in the Bahamas, Cathy decided to swim with dolphins. Sentence3: Cathy was scared that the dolphins would attack her. Sentence4: However, Cathy was surprised at how docile the dolphins were. Sentence5: Cathy was so glad she took the chance to swim with the dolphins.

SOLUTION: Cathy, Dolphins

PROBLEM: Sentence1: Tom was in a hurry to get to work. Sentence2: He didn't have enough time to match his socks. Sentence3: At the office his co-workers made fun of him. Sentence4: His boss questioned his attire as well. Sentence5: Tom never made that mistake again.

SOLUTION: Boss, Co-workers, Tom

PROBLEM: Sentence1: Jay works in the kitchen of an upscale restaurant. Sentence2: He is a revered chef, and the restaurant is packed. Sentence3: The kitchen staff is short tonight because someone called off work. Sentence4: The orders are backing up. Sentence5: In his hurry to finish the orders, Jay burns his hand!

SOLUTION:
Kitchen staff, Jay