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, Liz, and 2 friends were driving to Las Vegas. Sentence 2: Originally it was supposed to be 2 people. Sentence 3: Now there were four people in an economy sized vehicle. Sentence 4: Kate realized she needed to pretend this wasn't a problem. Sentence 5: She realized she needed try to be nice for the sake of the trip. Choices: a. The Economy Vehicle. b. The Cookie Dough.

a