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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Title: Dusty. Sentence 1: Tod's desk was very dusty. Sentence 2: But he never bothered to clean it. Sentence 3: One day, he moved his keyboard. Sentence 4: And he was disgusted by all of the dust underneath. Choices: a. I hopped all over the place since the coffee was hot. b. Tod finally stopped procrastinating and clean it.
A:
b