Q: In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.
Title: Loan shark. Sentence 1: Alex owned a lot of money to a loan shark. Sentence 2: He was desperate to make money as fast as he could to repay the loan. Sentence 3: He went to the casino and gambled everything he had left. Sentence 4: In a lucky strike, he quadrupled his earnings. Choices: a. He got the gold medal and was very proud of himself. b. He then paid the loan shark and swore to never borrow money again.
A:
a