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: Nancy was very unhappy with the customer service she received. Sentence2: She couldn't find a manager to talk to though. Sentence3: Nancy was forced to go home angry. Sentence4: She posted on the company's website about her experience. Sentence5: A manager who saw the post, contacted Nancy to help fix the issue.

SOLUTION: Manager, Nancy

PROBLEM: Sentence1: A third base coach gave the wrong sign to a player on first. Sentence2: The player ran to steal second base and was almost thrown out. Sentence3: The coach felt in the moment so he told the player to steal again. Sentence4: Once again the player tried to steal a base but was thrown out. Sentence5: That was the third out and the inning was over.

SOLUTION: Player, Coach

PROBLEM: Sentence1: My friends and I went to a restaurant last sunday. Sentence2: We ordered food and some drinks. Sentence3: The waiter brought our food but gave to the wrong person. Sentence4: Later, he gathers the food and gave it to us. Sentence5: The waiter keeps on saying sorry.

SOLUTION:
I (myself), Waiter, Friends, Person