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: Robert and his wife took a trip to Bermuda. Sentence2: They were at the beach one day when Robert was stung by a jellyfish. Sentence3: There wasn't anyone around to call for help. Sentence4: Robert remembered what he heard on the radio about jellyfish stings. Sentence5: He scraped the sting with a credit card to help stop the stinging.

Answer: Anyone, Robert, Wife

Question: Sentence1: Tom hadn't slept well. Sentence2: He was at a big meeting. Sentence3: He felt tired throughout. Sentence4: Tom kept yawning and dozing off. Sentence5: He got in trouble because of it.

Answer: Tom

Question: Sentence1: Martin realizes that he needs to get more exercise. Sentence2: He decides to have a walk around the block before he goes to bed. Sentence3: That night he sleeps more deeply than normal. Sentence4: He decides to take a walk every night before going to bed. Sentence5: Martin is very happy he is getting more exercise.

Answer:
Martin