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: The man apologized. Sentence2: The woman said she accepted. Sentence3: The two talked for a while. Sentence4: The man excused himself. Sentence5: He could tell his company was not wanted.

Ex Output:
Woman, Woman

Ex Input:
Sentence1: Daniel was playing a game of cards. Sentence2: He had bet all of his money on this hand. Sentence3: Daniel was sweating nervously. Sentence4: Daniel revealed his hand. Sentence5: Daniel won the game.

Ex Output:
Daniel

Ex Input:
Sentence1: After seeing a scary man in the street, we went indoors. Sentence2: I called the neighbor and asked him to take a look. Sentence3: A former police officer, he went outside to talk to the man. Sentence4: He came to my door to explain. Sentence5: The man had dementia and was deaf, and didn't hear me talk to him.

Ex Output:
I (myself), Neighbor, Man, Officer