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: Sally wanted a new purse. Sentence 2: The one she wanted was too expensive. Sentence 3: She finally saved up enough to buy it. Sentence 4: She was excited to go to the store to buy it. Sentence 5: However, when she got there it was gone. Choices: a. New purse. b. Math Test.

a