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: Justin was taking a trip. Sentence 2: His car started to make a loud noise. Sentence 3: He decided to pull over. Sentence 4: He popped the hood and his engine was blown. Sentence 5: He called for help and waited to get picked up. Choices: a. Halloween on the street. b. Justin breaks down.

b