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: Nell was supposed to sell candy for a school fundraiser. Sentence2: She procrastinated because she hated going door to door. Sentence3: The day before the fundraiser ended, Nell broke her piggy bank. Sentence4: She counted enough money to buy a few boxes of candy. Sentence5: Sick to her stomach from candy, Nell turned in the money.
Nell