Detailed Instructions: 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: Breakdown. Sentence 1: Bill was driving his car on the freeway. Sentence 2: The front left side of the car suddenly fell and scrapped on the road. Sentence 3: Bill thought he had lost a wheel. Sentence 4: The car slid to a stop. Choices: a. Chris knew it would be a good year. b. Bill got out and discovered a broken ball joint.
A:
a