Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Caleb has been growing out his hair for several Year's. Sentence2: Although all his friends have short hair, Caleb's hair is very long. Sentence3: However, now that he needs a job, he decides to cut it. Sentence4: Caleb goes to the barber for a short, professional haircut. Sentence5: Still, he misses the days when he had long hair.
Student:
Barber, Friends, Caleb