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: 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: June fell out of her tree house. Sentence2: Her arm really hurt. Sentence3: Her mom drove her to the hospital. Sentence4: They did an x-ray. Sentence5: They could see that she had a broken arm.

Answer: June, Her mom

Question: Sentence1: Keine thought he was the best at picking the winning horse. Sentence2: One day he bet his entire mortgage on a horse who was sure to win. Sentence3: Keine's friend Joe bet against him. Sentence4: At the third leg of the race, Keine's horse had a heart attack. Sentence5: Now Joe lives in Keine's house, with Keine's ex-wife.

Answer:
Keine's ex-wife, Winning horse, Horse, Keine, Joe