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: Unreasonable Critics. Sentence 1: Nate expressed his interest in music during class. Sentence 2: Ben questioned whether or not he was certain about it. Sentence 3: He also said that being a singer is only for girls. Sentence 4: Some of the students in the class argued with him. Choices: a. At the same time, Nate felt embarrassed. b. "The past will take you to the dark side like Darth Vadar."
A:
a