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: On Thanksgiving morning the Smith girls were getting ready to cook. Sentence2: Everything was prepped and ready to cook, but something was missing. Sentence3: There was no cranberry sauce! Sentence4: The girls tried using other fruits to substitute, but none would do. Sentence5: Then Grandma Smith arrived with her world famous cranberry sauce!

Output: Grandma, Grandma smith, Smith girls

Input: Consider Input: Sentence1: After failing at employment and education, Mike felt lost. Sentence2: He called his parents for help who told him to move back in. Sentence3: Mike's parents were very worried and decided to send him to therapy. Sentence4: Mike then began to see a psychiatrist a few times a week. Sentence5: After the therapy, Mike began to feel better in life.

Output: Mike, Mike's parents, Psychiatrist

Input: Consider Input: Sentence1: Miss Dever was the high school history teacher. Sentence2: She would only sit at her desk while her students read. Sentence3: She would never actively engage the students. Sentence4: Miss Dever's student were often bored as a result. Sentence5: She was not well thought of as a teacher at her school.
Output: Students, Miss dever