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: Ken was a cook. Sentence2: Ken was given an order for a medium rare steak. Sentence3: Ken cooked up the steak nice and rare. Sentence4: He went to serve it to the customers. Sentence5: The customer told him they wanted it well done.

Output: Customer, Ken, Customers

Input: Consider Input: Sentence1: The tiny black nose was very shiny. Sentence2: The hard plastic was placed over the small downturned mouth. Sentence3: The seamstress looked at the little girl and smiled. Sentence4: She told her it was a sad puppy who needed love. Sentence5: The little girl smiled back and said she would give it love.

Output: The little girl, The seamstress, Sad puppy

Input: Consider Input: Sentence1: Julie was going to Christian camp. Sentence2: She was nervous at first. Sentence3: She wondered if she would make friends. Sentence4: But camp turned out to be so much fun! Sentence5: Julie made tons of friends and had a great time!
Output: Julie, Friends