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.

Sentence1: Hannah had a break at work. Sentence2: She was tired and wanted to take a nap. Sentence3: She forgot to set an alarm. Sentence4: She overslept and was late back to work. Sentence5: Hannah's supervisors reprimanded her and she apologized.
Hannah, Supervisors