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.

Ex Input:
Sentence1: Evelyn and Robert moved into a new home. Sentence2: Evelyn bought a few houseplants to liven up the place. Sentence3: Then a friend who was moving away gifted Evelyn some of his plants. Sentence4: Soon, everyone thought Evelyn was a plant fanatic. Sentence5: Now, everyone gives Evelyn house plants as gifts.

Ex Output:
Evelyn, Robert, A friend, Everyone

Ex Input:
Sentence1: Will was moved up a grade because he was so smart. Sentence2: The teachers warned his dad that he wouldn't grow emotionally. Sentence3: His dad insisted on moving him up a grade. Sentence4: Will was hated throughout school. Sentence5: He is now a very confused and disliked adult.

Ex Output:
Will, Dad, School, Teachers

Ex Input:
Sentence1: Timothy worked for a good company. Sentence2: The company had a very strict policy about tardiness. Sentence3: One day he left for work with no time to spare. Sentence4: Timothy got stuck in traffic so he arrived late. Sentence5: He received his first write-up.

Ex Output:
Timothy, The company