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.
One example: Sentence1: My dog was bored. Sentence2: I was working all day so I couldn't spend time with him. Sentence3: When I finished work I decided to play with my dog. Sentence4: He was so happy to finally have some fun! Sentence5: Alas, he fell sick and died.
Solution is here: I (myself), Dog
Explanation: There is only two characters in given story, i.e., I (myself) and dog.

Now, solve this: Sentence1: Cuba's father believed that everything happened for a reason. Sentence2: So when he was in an accident, he claimed it was fate. Sentence3: Cuba wasn't so sure about that. Sentence4: So he sued the man who had hurt his father. Sentence5: When the money came, Cuba then believed that there were no accidents.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Father, The man, Cuba