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: Harry liked to work out at the gym. Sentence 2: Harry lifted weights and gained muscle. Sentence 3: One day, Harry heard about a fitness competition. Sentence 4: Harry increased his workout regimen and entered the competition. Sentence 5: Harry got second place in the fitness competition. Choices: a. Soccer on Tuesdays. b. Working Out.
b