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: McKenna liked to be healthy. Sentence 2: She decided to start working out every day. Sentence 3: Soon, she was in great shape. Sentence 4: McKenna felt full of energy. Sentence 5: She decided she would stick with her workout plan. Choices: a. Working Out. b. Picky Much?.

a