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: Kate had an argument with some girls in a club. Sentence 2: The bouncers insisted they all leave. Sentence 3: Kate was upset because she paid to enter the club. Sentence 4: She was mad they were putting her out. Sentence 5: She more upset they wouldn't return her cover charge. Choices: a. Paid. b. Broken Promises.

a