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.
Problem:Title: The other girlfriend. Sentence 1: Allie had been with Fred for three years. Sentence 2: She loved him. Sentence 3: She thought they would get married. Sentence 4: But one day she saw him kissing another girl. Choices: a. It was then that she realized she never wanted to be a mother. b. Allie was so upset that she dumped him.
Solution:
b