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: Samantha really needed a haircut but didn't have much money. Sentence2: She asked her parents, but they didn't have much money either. Sentence3: She came up with an idea to raffle off her radio at school. Sentence4: She sold 85 tickets at a quarter a piece. Sentence5: It was just enough for a haircut, and now she looks swell!

Output: Samantha, Parents

Input: Consider Input: Sentence1: The Smiths love the corn maze. Sentence2: They attended this past year. Sentence3: Helen was very scared. Sentence4: Ethan told her she was okay. Sentence5: They ended up bonding over that.

Output: Attended, The smiths, Bonding, Ethan, Helen, Told

Input: Consider Input: Sentence1: Nina was tired of hearing cat calls when she walked on the street. Sentence2: One day, she decided to wear baggy pants and shirt. Sentence3: She walked by the construction site and waited. Sentence4: No one whistled at her. Sentence5: Offended, she called the workers bad names for ignoring her.
Output: Nina, The workers