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: On the reading exam, Timmy purposely slept during the entire test. Sentence2: The next day, he was pulled out of his class to go to another class. Sentence3: The instructor announced that this is a reading session. Sentence4: Timmy became mad when he founded out that this class lasts all year. Sentence5: He slammed the door on the way out.
Output:
The instructor, Timmy