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: For their summer vacation, the Millers went on a road trip. Sentence 2: They first went to see the Grand Canyon. Sentence 3: After the Grand Canyon, they went to Arizona. Sentence 4: In Arizona, they were able to visit with family, too. Sentence 5: The vacation lasted a week and they were tired when they got home. Choices: a. Prissy 2. b. Road Trip.

b