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: I really enjoy participating in gymnastics. Sentence 2: I started when I was in Kindergarten. Sentence 3: My favorite area to practice on is the balance beam. Sentence 4: I think it's my favorite because it's what I'm best at doing. Sentence 5: As a result, I don't practice the vault as often and don't excel here. Choices: a. Sparky's Dad Plays a Joke. b. Gymnastics.

b