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: Pete noticed the shower head in his bathroom was leaking. Sentence 2: Rather than hire a plumber, he decided to fix it himself. Sentence 3: Pete went to the store and purchased all of the needed materials. Sentence 4: When he got home, he got his tools and replaced the shower head. Sentence 5: The new shower head leaked too, so he regretted not hiring a plumber. Choices: a. Pete changes showerhead. b. Broken Promise.

a