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: Katrina always loved horses. Sentence 2: She rode her favorite horse Selma everyday. Sentence 3: She was always very small and wanted to be a jockey. Sentence 4: Katrina trained very hard to be a real horse racer. Sentence 5: She was denied because only men can be jockeys. Choices: a. The Racer. b. Celiac.

a