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.
Input: Title: Billy's Broom. Sentence 1: Billy was sweeping the floor at his job. Sentence 2: The bristles were coming off of the broom. Sentence 3: Billy told his boss they needed a new broom. Sentence 4: His boss bought a new broom. Choices: a. They managed to score a winning goal on the buzzer. b. Billy threw the old broom in the garbage.
Output:
a