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: Erin had her piano recital coming up. Sentence 2: Erin told her teacher how nervous she was about performing. Sentence 3: Erin's teacher told her to practice as much as possible. Sentence 4: Erin took her advice and practiced every evening. Sentence 5: Erin nailed her piece at the recital! Choices: a. Recital. b. Olympic champion.

a