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: Travis was upset. Sentence2: He got into his car and sped off. Sentence3: The gravel spun under the car's tires. Sentence4: The car slid into the ditch. Sentence5: The cops showed up and gave Travis a ticket for reckless driving.
Output:
Travis, Cops, Car