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: Lisa's prom was coming up in a few months. Sentence 2: She was thinking of the dress she wanted. Sentence 3: Lisa decided she would sew her own dress. Sentence 4: She bought her materials at the fabric store. Sentence 5: Lisa had the most unique dress at the dance. Choices: a. Lisa's Dress. b. The Mower Blade.

a