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: Jane wanted to make chicken noodle soup. Sentence2: Jane went to the store. Sentence3: Jane bought carrots, celery, potatoes, and a whole chicken. Sentence4: Jane added all of the items to a pot and cooked a pot of soup. Sentence5: Jane's family loved the soup.

Ex Output:
Jane, Jane's family

Ex Input:
Sentence1: When the little boy went home, he couldn't find his mother or father. Sentence2: He looked all around. Sentence3: He called their names but no one answered. Sentence4: Eventually a neighbor heard him. Sentence5: She said his parents were at her home.

Ex Output:
Mother, Father, Neighbor, The little boy

Ex Input:
Sentence1: Jeff brought his kids to the beach one morning. Sentence2: They played in the water, despite dark clouds approaching. Sentence3: Suddenly, a rumble of thunder caught Jeff's attention. Sentence4: He called the kids out of the water as it started pouring rain. Sentence5: Next time, Jeff will check the weather forecast before he goes out.

Ex Output:
Kids, Jeff