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.

Input: Consider Input: Sentence1: Anna was jogging with her phone in her pocket. Sentence2: Suddenly she heard a noise and looked down. Sentence3: Her phone had fallen out of her pocket! Sentence4: Scared, she bent down to pick it up. Sentence5: She was so relieved to see it wasn't cracked!

Output: Anna

Input: Consider Input: Sentence1: Sally was sad that she had no one to spend Christmas with. Sentence2: She decided to spend her holidays make others happy. Sentence3: She went shopping and purchased a bunch of different toys. Sentence4: On Christmas day she went to the children's home. Sentence5: She gave out the presents to the kids and had the best Christmas ever.

Output: Kids, Sally, Children, Others

Input: Consider Input: Sentence1: Brittany is looking forward to the first day of school tomorrow. Sentence2: She is trying to decide what to wear. Sentence3: She decides to wear her new favorite outfit. Sentence4: Brittany can't find the clothes anywhere. Sentence5: Brittany's mom had already laid out her favorite outfit for her.
Output: Brittany's mom, Brittany