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: Darla wanted a new doll. Sentence 2: To earn the money she returned bottles to the store. Sentence 3: She also saved all of her birthday money and did chores for her mom. Sentence 4: The day finally came when she had saved enough money. Sentence 5: Darla went to the store and bought a brand new doll! Choices: a. Darla's New Doll. b. Perfect Chance.

a