You will be given a definition of a task first, then some input of the task.
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: Kate was at a gas station on the highway. Sentence 2: She went in to get Advil. Sentence 3: But they also had earbuds which she needed terribly. Sentence 4: They were both low quality, and expensive. Sentence 5: But they were better than nothing so she bought them anyway. Choices: a. Brewery Business. b. Advil and Headphones.
Output:
b