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.
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Question: Sentence1: John went to the horse races last weekend. Sentence2: He decided to bet on them. Sentence3: He started winning and bet even more. Sentence4: Eventually he lost everything he had won. Sentence5: He considered it breaking even and went home.

Answer: John

Question: Sentence1: Marshall was incredibly nervous and had sweaty palms. Sentence2: He had vomited on his sweater already and practiced in the mirror. Sentence3: The rap battle began and Marshall rapped better than anyone there. Sentence4: Marshall won the rap battle and was awarded a medal. Sentence5: He eventually became famous and was awarded many other medals.

Answer: Marshall

Question: Sentence1: Paul hates his job. Sentence2: Everyday at work he gets angry and says mean things to people. Sentence3: Paul's boss gave him a verbal warning about his attitude at work. Sentence4: Currently Paul is on a performance plan at work. Sentence5: Next month Paul will be fired.

Answer:
Paul, Paul's boss