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: Lucy had made the mistake of coming to work in flats. Sentence 2: The manager at the store said it was not allowed. Sentence 3: So Lucy got written up. Sentence 4: Lucy had to make sure she could wear flip flops next time. Sentence 5: She felt badly for forgetting the rules originally. Choices: a. No flats allowed. b. The Windshield.

a