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: Nancy had been unhappy in her marriage for many Year's. Sentence2: She knew it was time for a change, but she was afraid of being alone. Sentence3: Finally Nancy decided to divorce her husband. Sentence4: It was hard on both of them, but in the end it was the right thing. Sentence5: Now alone, Nancy is happy that she is no longer with her ex husband.
Example Output: Nancy, Nancy's husband

Example Input: Sentence1: Gina had inherited a house from her parents. Sentence2: She wanted to sell the house. Sentence3: Gina took out the things that had sentimental value. Sentence4: She found a realtor to sell the house. Sentence5: Gina sold the house to a buyer.
Example Output: Realtor, Buyer, Gina, Parents

Example Input: Sentence1: Ana's kids had the cutest Halloween costumes! Sentence2: She didn't want them to have to hide or cover most of them with coats! Sentence3: But the weather called for snow, so she had to get creative. Sentence4: She found black thermals and dressed them UNDER the costumes. Sentence5: These kept the kids warm-and still wickedly stylish!
Example Output:
Ana's kids, Kids