Definition: 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: Sentence1: Yesterday Tim got a new haircut. Sentence2: He thought it looked nice, but his peers did not. Sentence3: When he went to school his friends laughed at him. Sentence4: Tim felt disappointed. Sentence5: But then he remembered his opinion was the only one that mattered.
Output:
Tim, His peers, His friends at school