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: Old West. Sentence 1: Kia's class was doing a unit on the Old West. Sentence 2: The dry, boring text was hard to get interested in. Sentence 3: But then her teacher showed the class some old Western films. Sentence 4: Those were very engaging. Choices: a. Soon Kia was studying her lessons with avid interest. b. James' wife overslept and had to leave for work without eating.
Output:
b