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: Paul decided to try out for the school musical. Sentence2: He couldn't really sing, but danced fairly well. Sentence3: Paul was surprised when he was cast as one of the leads. Sentence4: He worked very hard and the play was a success. Sentence5: Paul even won an award at the drama banquet.

Ex Output:
Paul, The school, The drama banquet

Ex Input:
Sentence1: Susie and her friends decided to play graveyard. Sentence2: The girls laid down on the field motionless. Sentence3: All the sudden Susie moved. Sentence4: She ended up losing the game first. Sentence5: Susie laughed but wanted to play again.

Ex Output:
Friends, Susie

Ex Input:
Sentence1: I decided one day that I needed a car. Sentence2: So I took the bus to the dealership. Sentence3: While there I was approached by a salesman. Sentence4: He made me an offer I couldn't refuse. Sentence5: So I drove away in a new car.

Ex Output:
I (myself), Bus, Dealership, Salesman