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: Stumbling into SantaCon. Sentence 1: Jackie took the Megabus to New York City two days before Christmas. Sentence 2: After Jackie got off the bus, she saw hundreds of Santa Clauses! Sentence 3: She walked towards the Santas to get a closer look at their outfits. Sentence 4: The Santas leered drunkenly at her as she approached. Choices: a. She was glad she had switched! b. Jackie realized that they were part of a SantaCon bar crawl.
A:
b