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: Chelsea met up with her friends at the mall. Sentence 2: They visited several outlet stores to find several deals. Sentence 3: She bought many items on discounts. Sentence 4: Her friends also purchased new clothes. Sentence 5: At the end of the day, Chelsea's credit card ran out of balance. Choices: a. Beyond Budget. b. Power Outage.

a