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.
Q: Title: An Up and Down Tournament. Sentence 1: Last month I entered a poker tournament. Sentence 2: I did well at the beginning. Sentence 3: The middle of the tournament was slow and boring. Sentence 4: Near the end I was still in, but I got greedy. Choices: a. I ended in 7th place because I bluffed the wrong person. b. Tom regretted not getting a professional.
A:

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
b