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: Tina walked down the aisle. Sentence 2: She was nervous. Sentence 3: The officiator asked if there were objections. Sentence 4: Tina said yes. Sentence 5: She had to call the wedding off. Choices: a. Building a snowman. b. Wedding is off.

b