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: The Locker. Sentence 1: Keith had just started at a new school. Sentence 2: He was assigned a locker. Sentence 3: Keith couldn't get his new locker open. Sentence 4: He kept trying his old combination. Choices: a. Eve was furious at her husband. b. Keith had to get the janitor to open his locker.
Output:
a