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: After failing at employment and education, Mike felt lost. Sentence2: He called his parents for help who told him to move back in. Sentence3: Mike's parents were very worried and decided to send him to therapy. Sentence4: Mike then began to see a psychiatrist a few times a week. Sentence5: After the therapy, Mike began to feel better in life.

Ex Output:
Mike, Mike's parents, Psychiatrist

Ex Input:
Sentence1: I had a GI Joe stolen when I was a kid. Sentence2: My cousin stole it. Sentence3: We were playing with them in the dirt. Sentence4: He buried my favorite GI Joe. Sentence5: I never found him.

Ex Output:
I (myself), My cousin

Ex Input:
Sentence1: Leroy was a poor old man. Sentence2: He lived most of his life on the streets. Sentence3: He stumbled into a gas station. Sentence4: He wanted something to eat but found a lottery ticket. Sentence5: The ticket Leroy found was the winning ticket.

Ex Output:
Leroy