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: Jennifer went out that morning to walk the dog. Sentence2: He was a very excitable labrador retriever. Sentence3: Jennifer did not see the bunny until it was too late. Sentence4: Fido bounded after it, while she raced to keep up. Sentence5: She was finally able to slow him down, and make him stop chasing it.

Output: Bunny, Jennifer

Input: Consider Input: Sentence1: Amy loved The Babysitters Club books when in elementary school. Sentence2: When she was 17 they made a movie. Sentence3: A friend suggested she see it. Sentence4: Amy felt she was way too adult to see that movie. Sentence5: At the theater she decided to see a Pg13 movie instead.

Output: Amy, Friend

Input: Consider Input: Sentence1: Molly collected toy horses and dreamed of having a real one. Sentence2: As she lived in a poor city neighborhood, her dream was unlikely. Sentence3: But she worked hard and became a rich lawyer. Sentence4: She bought a farm and a stable of horses. Sentence5: Now, she lets poor kids come ride and learn about horses.
Output: Horses, Poor kids, Molly