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.

Example Input: Sentence1: Jim wandered into someone else's room on the cruise ship. Sentence2: He saw a woman lying on the bed in lingerie. Sentence3: The woman beckoned him closer. Sentence4: Jim thought this couldn't be happening. Sentence5: He turned around and the woman's husband punched Jim.
Example Output: Woman, Jim, Woman's husband

Example Input: Sentence1: The woman didn't buy food for her children. Sentence2: They were always hungry. Sentence3: One day the youngest child went next door. Sentence4: He asked the neighbors for some food. Sentence5: They all came over and had a feast.
Example Output: Neighbors, The woman, Youngest child, Children

Example Input: Sentence1: The boy yelled at his mother. Sentence2: The father got angry. Sentence3: He grounded the boy. Sentence4: The boy went to his room. Sentence5: His mother hugged the father in gratitude.
Example Output:
Boy, Father, Mother