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: Hard work. Sentence 1: Julie has always wanted to buy herself a car. Sentence 2: When Julie was old enough to work she found a job. Sentence 3: She went to work every day mopping floors. Sentence 4: Julie saved all of the money she earned. Choices: a. They went out and had a great time on the water. b. After five years Julie finally bought herself the car of her dreams.
a