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: Terry was going through a big issue. Sentence2: He started questioning everything around him. Sentence3: He started believing that he is the only one who exists. Sentence4: No matter how his friends and family tried to convince him he wasn't. Sentence5: He never would budge.

Output: Friends, Family, Terry

Input: Consider Input: Sentence1: Marie had decided to organize a barbecue. Sentence2: Four cars of friends and family went to the state park. Sentence3: After getting lost and car trouble it was late when they arrived. Sentence4: The food just finished burning as the park was closing. Sentence5: As they ate and ran to the cars a raccoon chased after them.

Output: Raccoon, Marie, Friends, Family

Input: Consider Input: Sentence1: Tim was very overweight. Sentence2: So everyone made fun in gym class. Sentence3: He decided to try his best and work out more. Sentence4: And he became very buff and confident. Sentence5: Soon, everyone began to respect him.
Output: Tim, Everyone