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: Mark and Jim went out fishing so they could have something for dinner. Sentence2: The two worked hard but it was hot and there were no fish. Sentence3: Jim suggested trying a new spot in the shade. Sentence4: The new spot worked and they brought in half a dozen fish. Sentence5: That night they had a delicious meal they were proud of.
Example Output: Jim, Mark

Example Input: Sentence1: Kelly's toddler was suffering from a horrible cough. Sentence2: It was keeping her awake at night. Sentence3: Finally, the baby fell asleep in a semi-sitting position on the couch. Sentence4: Kelly was relieved to see that the child wasn't coughing. Sentence5: She decided to leave the child where she was, so she could get rested.
Example Output: Toddler

Example Input: Sentence1: Joe hungered for power. Sentence2: He did anything and stepped on everyone to get to the top. Sentence3: As he was good at his job, it worked. Sentence4: He became very famous and had a lot of money. Sentence5: Now that he has power, Joe doesn't know what to do with his time.
Example Output:
Everyone, Joe