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: Alex was at the lake with his family. Sentence2: Some of the people were out on a boat. Sentence3: Suddenly an intense storm came rolling in. Sentence4: Everyone was worried about the people in the boat. Sentence5: Luckily, they had stopped on a beach and kept themselves safe.

Answer: Some of the people, His family, Alex

Question: Sentence1: Alex owned a lot of money to a loan shark. Sentence2: He was desperate to make money as fast as he could to repay the loan. Sentence3: He went to the casino and gambled everything he had left. Sentence4: In a lucky strike, he quadrupled his earnings. Sentence5: He then paid the loan shark and swore to never borrow money again.

Answer: Alex

Question: Sentence1: Michael has always adored animals. Sentence2: For as long as he can remember he has always been drawn to them. Sentence3: As he grew up he thought he might want to become a vet. Sentence4: After high school he went to school to become a vet. Sentence5: After his education was complete he opened a successful animal clinic.

Answer:
Animals, Michael