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: Consider Input: Sentence1: Fred was going to make sure he didn't end up like his dad. Sentence2: His dad abused his mom and never provided for his family. Sentence3: Fred found a good job and got married. Sentence4: He supported his family and never abused them. Sentence5: Fred was proud of his own accomplishments.

Output: His mom, His dad, His family, Fred

Input: Consider Input: Sentence1: I wanted to go on a cruise as I had never been on one before. Sentence2: For 2 years, I saved money every month from my paychecks. Sentence3: I went online to purchase a ticket for the cruise. Sentence4: The prices had increased dramatically compared to 2 years ago. Sentence5: I wasn't able to afford the trip, so I bought myself a tv instead.

Output: I (myself)

Input: Consider Input: Sentence1: A couple's internet went out. Sentence2: They called the cable company. Sentence3: They sent someone to fix it. Sentence4: It took the repairman forever. Sentence5: The couple complained.
Output: Couple