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 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.
Title: Familiar Face. Sentence 1: Ian went to the supermarket. Sentence 2: As soon as he came in, he went to the snack aisle. Sentence 3: A person's face seemed familiar to him. Sentence 4: He eventually realized that the person bullied him in high school. Choices: a. Ian quickly walked away. b. I wore a clip on tie instead.
A:
a