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: Allie had a birthday party. Sentence 2: She was turning 40. Sentence 3: All of her friends came. Sentence 4: Her friends chipped in for a car. Sentence 5: Allie literally fell to the floor in shock. Choices: a. Birthday party. b. New tiles.

a