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: Barry loved making kites in his spare time. Sentence2: Barry decided to make kite making into a business. Sentence3: Barry was amazed by the number of orders he received. Sentence4: Barry ensured that each kite was made with love and care. Sentence5: Barry was glad he could turn his hobby into a passion.

Output: Barry

Input: Consider Input: Sentence1: Sam wanted to learn how to read. Sentence2: He thought his friends would mock his illiteracy. Sentence3: But when they found out, they were all very kind. Sentence4: They even volunteered to teach him his letters. Sentence5: After months of studying, Sam became a great reader!

Output: His friends, Sam

Input: Consider Input: Sentence1: Jane wanted a power wheels for christmas. Sentence2: Her parents told her they couldn't afford one. Sentence3: Jane understood and wasn't too upset. Sentence4: Christmas morning she noticed a big box by the tree. Sentence5: Jane's parents surprised her with the gift she wanted.
Output: Jane, Parents