Definition: 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.
Input: Sentence1: Jon wanted to go to Paris but didn't have enough money. Sentence2: Jon decided to start a side business so he could get the money. Sentence3: He started a car detailing business and worked on Saturdays. Sentence4: At first, Jon didn't make much money but he slowly got better. Sentence5: Eventually, Jon had enough money to go to Paris!
Output:
Jon