Definition: 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'.
Input: Sentence 1: Beth loved shoes. Sentence 2: She particularly loved high heels and wanted to buy more. Sentence 3: She went shopping. Sentence 4: She found a great pair of high heels and bought them. Sentence 5: She was happy with her purchase. Choices: a. Headache. b. High Heels.

b