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: Joe hungered for power. Sentence2: He did anything and stepped on everyone to get to the top. Sentence3: As he was good at his job, it worked. Sentence4: He became very famous and had a lot of money. Sentence5: Now that he has power, Joe doesn't know what to do with his time.

Ex Output:
Everyone, Joe

Ex Input:
Sentence1: Tom took up the sport of golf in April. Sentence2: Soon he became frustrated that his golf score was not improving. Sentence3: He decided to seek the help of a golf pro from his club. Sentence4: The pro spent numerous hours with Tom working on fundamentals. Sentence5: Tom quickly shaved ten points from his handicap.

Ex Output:
Club, Golf pro, Golf, Tom

Ex Input:
Sentence1: I walked into the kitchen. Sentence2: I got a glass and some orange juice. Sentence3: Just as I removed the cap, the bottle slipped. Sentence4: It fell to the floor. Sentence5: I cleaned up the huge mess, frustrated and frazzled.

Ex Output:
I (myself)