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: Mr Jones was the warden at the jail. Sentence2: He would lock criminals up until they were free to go. Sentence3: He did not like his job very much. Sentence4: He tried not to talk to the criminals. Sentence5: He just wanted the day to be over so he could go home.

Output: Criminals, Mr jones

Input: Consider Input: Sentence1: Nancy had been unhappy in her marriage for many Year's. Sentence2: She knew it was time for a change, but she was afraid of being alone. Sentence3: Finally Nancy decided to divorce her husband. Sentence4: It was hard on both of them, but in the end it was the right thing. Sentence5: Now alone, Nancy is happy that she is no longer with her ex husband.

Output: Nancy, Nancy's husband

Input: Consider Input: Sentence1: Sam had bad breath. Sentence2: He never brushed. Sentence3: One day he had a job interview. Sentence4: The interviewer said his breath was too bad to get a job. Sentence5: After that Sam always brushed his teeth.
Output: Interviewer, Sam