Instructions: 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: Sentence1: Joan was a realtor. Sentence2: She always lived in an apartment, herself. Sentence3: She grew tired of finding houses for other people. Sentence4: One day, she decided to buy a house! Sentence5: Joan finally had a home of her own.
Output:
Joan, People