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.
Q: Title: Size Too Big. Sentence 1: I went to the shoe store to get some new boots. Sentence 2: The clerk asked me my size and I told him I'm a size ten. Sentence 3: The first pair of boots he brought out felt a little big. Sentence 4: The clerk told me I am actually a size nine. Choices: a. Before Henry got to 10 points, his sister won the match. b. He brought out a smaller pair and I was amazed how well it fit.
A:
b