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: Carl's parents bought him an expensive car when he got his license. Sentence 2: Carl was careless and drove too fast. Sentence 3: Within a week of getting his new car, Carl wrecked it. Sentence 4: Carl's parents bought him another new car. Sentence 5: Carl's parents were just as irresponsible as Carl was. Choices: a. Carl's Car. b. Flat Tire.

a