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 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: Gina had inherited a house from her parents. Sentence2: She wanted to sell the house. Sentence3: Gina took out the things that had sentimental value. Sentence4: She found a realtor to sell the house. Sentence5: Gina sold the house to a buyer.

Answer: Realtor, Buyer, Gina, Parents

Question: Sentence1: Sammy always claimed to make the perfect pancake. Sentence2: Not just in shape, but in fluffiness and taste too. Sentence3: Last week he and his friends decided to have a competition. Sentence4: Everyone tried their best pancake recipe. Sentence5: He was the clear winner.

Answer:
His friends, Sammy