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: Nell was going out to dinner with her long time boyfriend. Sentence 2: She was sure he would pop the question tonight. Sentence 3: She waited all throughout dinner but nothing happened. Sentence 4: A waiter brought her a glass of Champagne. Sentence 5: To her delight, Nell saw a perfect ring in the bottom of her glass. Choices: a. The Engagement Ring. b. Shirt.
Output:
a