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: Rachel wanted to get into better shape. Sentence 2: She decided to try boxing because it looked like fun. Sentence 3: She practiced hitting the punching bag and decided to try sparring. Sentence 4: The first time she sparred with a friend, she broke her nose. Sentence 5: She took a break from boxing after that. Choices: a. Boxing. b. The Straw Hat.

a