You will be given a definition of a task first, then some input of the task.
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: Labor Shortages. Sentence 1: Tom's work had labor shortages. Sentence 2: It made his job that much harder. Sentence 3: Tom implored his bosses to hire more people. Sentence 4: They didn't want to waste money. Choices: a. He replaced the other one eventually. b. Tom had to quit because of the workload.
Output:
a