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: Shelly was backing her car into the garage. Sentence2: She didn't estimate the distance from her car to the garage correctly. Sentence3: Shelly backed into the garage. Sentence4: She broke the tail light on her car. Sentence5: Shelly had to buy a new tail light.
Output:
Shelly