Detailed Instructions: 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.
Problem:Sentence1: A boy came home from school and ran straight to his room. Sentence2: His mother ran up to see what was wrong. Sentence3: He was mocked and made fun of at school and didn't want to go back. Sentence4: His mother said, he was special and one day he would show them all. Sentence5: Years passed and the boy grew up to be a successful child psychologist.
Solution:
Boy, Mother