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: Tom took up the sport of golf in April. Sentence2: Soon he became frustrated that his golf score was not improving. Sentence3: He decided to seek the help of a golf pro from his club. Sentence4: The pro spent numerous hours with Tom working on fundamentals. Sentence5: Tom quickly shaved ten points from his handicap.

Output: Club, Golf pro, Golf, Tom

Input: Consider Input: Sentence1: Tori was running late to school. Sentence2: She rushed around looking for her shoes. Sentence3: She couldn't find them anywhere! Sentence4: By the time she finally found them, she had missed her bus. Sentence5: Her father had to take her to school that day.

Output: Father, Tori

Input: Consider Input: Sentence1: Jim liked to watch sports, but never played. Sentence2: He mostly wished he was better at basketball. Sentence3: Jim's friends eventually encouraged him to join the basketball team. Sentence4: After lots of practice, Jim's skills increased. Sentence5: Now Jim is the best player on the team, and he feels accomplished.
Output: Jim, Jim's friends