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: Erica and Sean decided to drive to Mexico from San Francisco. Sentence 2: The trip would take six hours. Sentence 3: Erica and Sean forgot to check the oil in the car. Sentence 4: The car broke down in Los Angeles. Sentence 5: Now the trip is cancelled and Erica and Sean had to go back home. Choices: a. The Fake Signature. b. The long road trip.

b