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: Public bathrooms. Sentence 1: I never want to use public bathrooms if I could help it. Sentence 2: However, one day I had no choice. Sentence 3: I went inside a Walmart bathroom. Sentence 4: It was very disgusting and obviously no one cleaned it. Choices: a. I used the bathroom as fast as I could and got out. b. Harry began spending a lot of time at a female coworker's place.
A: 
b