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.
Input: Sentence1: I was doing badly on my tests in my class. Sentence2: My classmate was doing well in the class, so I borrowed her tests. Sentence3: I erased her name and wrote my name on the tests. Sentence4: I went to the teacher and asked to check my scores. Sentence5: Thus, I tricked my teacher into changing my test scores.
Output:
I (myself), Teacher, Classmate