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.

Ex Input:
Sentence1: Pete worked as a handyman. Sentence2: He got a job doing repairs at an apartment complex. Sentence3: He learned he could get a rent discount if he moved into the complex. Sentence4: He worked there for many years and saved a lot of money. Sentence5: Because of his savings, Pete was eventually able to buy his own home.

Ex Output:
Pete

Ex Input:
Sentence1: Susie decided she wanted to go to the golf course. Sentence2: She had never been before. Sentence3: So her father agreed to take her. Sentence4: When she got her, she hit her first ball. Sentence5: To her delight, she got a hole in one.

Ex Output:
Her father, Susie

Ex Input:
Sentence1: Betsy went to the zoo. Sentence2: First she saw the monkeys. Sentence3: As she was walking to the next animals a man gave Betsy a balloon. Sentence4: Betsy went to look at the cheetahs and got scared. Sentence5: Betsy let go of her balloon but the man gave her a new one.

Ex Output:
Betsy, Cheetahs, Animals, Monkeys, Man