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: Teacher. Sentence 1: The teacher got ready for class. Sentence 2: The class was cancelled. Sentence 3: She didn't want to lose the lesson. Sentence 4: She tried to fit it in her lesson plan. Choices: a. Now I could watch the movie without so much noise. b. She could not fit it in.
A:
a