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: Asian. Sentence 1: Kio had always thought Asian girls were pretty. Sentence 2: So in high school, he asked out a Korean girl. Sentence 3: She agreed, and they went to see a movie. Sentence 4: They both had a great time! Choices: a. Soon Kio had a beautiful Korean girlfriend. b. Then he sat down and immediately fell asleep.
A:
b