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.

Ex Input:
Sentence1: Jeff had been job searching for a while now. Sentence2: One day h got two offers from two different companies! Sentence3: One job paid more while the other job had much better benefits. Sentence4: Jeff thought about which one to take all day long. Sentence5: He decided to take the higher paying job.

Ex Output:
Jeff

Ex Input:
Sentence1: James found a robber in his house. Sentence2: He decided to get a gun for protection. Sentence3: He didn't know anything about guns, but he didn't care. Sentence4: That night, he heard a noise. Sentence5: He shot into the darkness and ended up hitting his cat.

Ex Output:
James, Robber, Cat

Ex Input:
Sentence1: I wanted to build a PC to game, record, and stream on simultaneously. Sentence2: I created a list of the most powerful parts on the market. Sentence3: Eventually I had crafted my list. Sentence4: The total price for it was obscenely high. Sentence5: I tempered my expectations and began remaking my build.

Ex Output:
I (myself)