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: New pool. Sentence 1: I've always wanted a new pool. Sentence 2: I've contacted a pool company and they gave me the build plans. Sentence 3: The pool company arrived and started working on it. Sentence 4: Finally they were finished making my pool after a week. Choices: a. The pool requires a lot of maintenance ,but was completely worth it. b. It was my friend saying that my celery stew made perfect bird feed.
A:
b