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: Aaron was going to a concert. Sentence 2: Him and his friends left early to avoid being late. Sentence 3: Halfway to the concert they got stuck in traffic. Sentence 4: The traffic was so bad it took two hours to get through. Sentence 5: Aaron and his friends were late for the concert. Choices: a. Stuck in Traffic. b. My Allowance.

a