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.

[EX Q]: Sentence1: John was at home thinking about what to eat for dinner. Sentence2: He went to the fridge and looked inside. Sentence3: He saw that he had some fish. Sentence4: John cooked the fish in a frying pan. Sentence5: He ate the fish for dinner.
[EX A]: John

[EX Q]: 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.
[EX A]: Criminals, Mr jones

[EX Q]: Sentence1: Uncle Jock couldn't believe he was rich. Sentence2: He'd just won the lottery, and after taxes, was totally loaded. Sentence3: Jock went down to the Apple store and bought a new laptop. Sentence4: He also bought an expensive car, and a slushy at 7-11. Sentence5: Jock lived the good life for a whole year, until he was poor again.
[EX A]:
Uncle jock