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: Janet went inside the fast-food store. Sentence2: She ordered a cheeseburger combo with fries. Sentence3: The cashier handed her food after she paid. Sentence4: After tasting the food, she felt nauseous. Sentence5: The fries were extremely stale and the hamburger was hard to chew.
The cashier, Janet