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: Tom ran for a local election. Sentence2: He was running as a protest candidate. Sentence3: The two main candidates were brought down by scandals. Sentence4: There wasn't enough time to replace them. Sentence5: Tom wound up winning the election.
Example Output: Two main candidates, Tom

Example Input: Sentence1: Jim taught English in a small school in China. Sentence2: He had a crush on the math teacher Mrs Wang. Sentence3: Mrs Wang had an abusive husband who beat her. Sentence4: One day, Jim beat up Mrs Wang's husband and told him to scram. Sentence5: Now Jim and Mrs Wang live together in the USA.
Example Output: Mrs wang's husband, Jim, Mrs wang

Example Input: Sentence1: Carl was playing with balloons in his living room. Sentence2: The colorful balls were leftover from a party. Sentence3: Carl was jumping around when suddenly he landed on one balloon. Sentence4: He heard a loud bang as the balloon popped and deflated. Sentence5: Carl cried at the sudden noise and went to find his mom.
Example Output:
Mom, Carl