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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Q: Title: Lost my Touch. Sentence 1: The professor went over a new lesson today. Sentence 2: He tried to move as slow as possible although no one understood. Sentence 3: When he asked questions, no person was able to answer. Sentence 4: We had to take a surprise quiz since he became frustrated. Choices: a. The entire had had an F as their first grade. b. John remembers his new password much better.
A:
a