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: Max. Sentence 1: Max stared into the contraption and read off some letters. Sentence 2: The optometrist took some notes on his paper. Sentence 3: Following directions, Max continued to read off the board. Sentence 4: The letters seemed to twist and morph in front of him. Choices: a. He drew large crowds and became more and more popular. b. By the following week, Max had a new pair of glasses.
b