You will be given a definition of a task first, then some input of the task.
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: Jenna was crawling all over the floor. Sentence2: One of her earrings had fallen out and she couldn't find it! Sentence3: She covered every inch of the floor. Sentence4: When she stood up, she felt something fall from her shirt. Sentence5: The earring had clung to her sweater.
Output:
Jenna