Q: 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.
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.
A:
Criminals, Mr jones