Given the task definition and input, reply with output. In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Sentence 1: Arthur was walking down the street when something caught his eye. Sentence 2: A fancy leather jacket was on display in the window. Sentence 3: Arthur immediately walked forcefully into the store. Sentence 4: When he saw the price tag, however, his jaw dropped. Sentence 5: Arthur decided he didn't want such a lame jacket anyway. Choices: a. Counselor. b. Arthur's Jacket.
b