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: The family arrives at the beach. Sentence2: Everyone puts on sunscreen. Sentence3: The son plays in the clear water. Sentence4: The daughter builds sand castles. Sentence5: The parents relax for the rest of the day.

Ex Output:
The parents, The daughter, The family, The son

Ex Input:
Sentence1: Sara wanted to make her community more eco-friendly. Sentence2: She started a recycling program. Sentence3: There, she taught people how to recycle various types of items. Sentence4: Soon her neighbors were recycling almost everything they could! Sentence5: Sara felt very good about her environmental impact.

Ex Output:
Sara, Her neighbors, People

Ex Input:
Sentence1: Lottie's friends let a family come to live with them. Sentence2: The family needed much help due to their various life circumstances. Sentence3: Unfortunately the family needed far more help than could be given. Sentence4: Lottie's friends had to kick the family out of the house. Sentence5: Their willingness to help blew up in Lottie's friends' faces.

Ex Output:
Lottie's friends, Family