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: I filled my car with one tank of gas. Sentence2: I drove as far as I could before the fuel ran out. Sentence3: The car coasted to a stop on the side of the road. Sentence4: I got out of my car and threw the keys on the ground. Sentence5: I walked from the car and didn't look back.
Output:
I (myself)