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: Bob hated his current cable provider. Sentence2: He decided to cancel the services. Sentence3: He started looking for a new provider. Sentence4: He found a great deal and bought it. Sentence5: His new provider was great!

Output: Bob, Bob's new cable provider

Input: Consider Input: Sentence1: A group of five friends met at the local park. Sentence2: One brought a basketball. Sentence3: They all decided to play basketball. Sentence4: Everyone laughed and had fun. Sentence5: It was a fun day everyone remembers.

Output: Five friends, Group, One

Input: Consider Input: Sentence1: I got bullied by Jan again today. Sentence2: Instead of fighting back, I decided to remain relaxed. Sentence3: The next day, Jan came to school grumpy. Sentence4: He was grounded by his parents and his car caught a flat tire. Sentence5: I couldn't resist laughing at him.
Output: Jan, I (myself), School, Parents