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.

Example Input: Sentence1: Jordan saw the other kids swimming when it was hot in the summer. Sentence2: Jordan had never learned to swim, so he could not go in the water. Sentence3: He was embarrassed he couldn't swim. Sentence4: His mother got him swimming lessons and he practiced. Sentence5: Finally Jordan was able to go in the cool water with the others.
Example Output: Kids, Jordan, Jordan's mother

Example 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.
Example Output: Leroy

Example Input: Sentence1: I went to Church Camp one year. Sentence2: We took a long nature hike into the woods. Sentence3: Suddenly, a family of bumble bees started swarming me and I ran. Sentence4: I soon became lost in the woods for hours, and was terrified. Sentence5: Later on, a church search party had found me and took me back.
Example Output:
I (myself), Bumble bees, Church search party