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.

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.
Manager, Nancy

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.
Player, Coach

Sentence1: George found a baby squirrel while out on a walk in his neighborhood. Sentence2: It did not appear to have a mother nearby at all. Sentence3: George decided to take the baby squirrel home and take care of it. Sentence4: He named the squirrel Rocky and raised it to be his pet. Sentence5: Rocky was George's faithful friend for many years after that.
Mother, George, Squirrel