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: Kate was self conscious about her body. Sentence2: Her friend invited her to go swimming. Sentence3: Everyone was going to be there. Sentence4: It sounded like fun but Kate turned it down. Sentence5: She didn't want to be seen in a swimsuit.

Ex Output:
Friend, Everyone, Kate

Ex Input:
Sentence1: My husband has decided he wants to be a stay at home dad. Sentence2: We don't have any kids. Sentence3: All we have is two cats. Sentence4: He plays with them all day and calls them Laurel and Hardy. Sentence5: I can't believe I married this man.

Ex Output:
Dad, My husband, I (myself)

Ex Input:
Sentence1: Rosa was making s'mores. Sentence2: She applied her marshmallow to her stick, then held it out. Sentence3: The fire made it gooey, then she applied chocolate pieces. Sentence4: Finally she sandwiched it between a graham cracker. Sentence5: Finally it was time for Rosa to enjoy her s'mores!

Ex Output:
Rosa