Q: 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: Something new. Sentence 1: Grace decided to try something new. Sentence 2: She joined the Opera club. Sentence 3: It was something so different and sounded wonderful. Sentence 4: The minute she joined she wondered why she hadn't joined sooner. Choices: a. When Halloween came around they put up a zombie themed haunted house. b. She met her best friend in the club.
A:
a