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 surprised his kids with a pet. Sentence 2: It was a dog from the animal shelter. Sentence 3: While they slept, the dog ripped apart their whole living room. Sentence 4: Justin said the dog had to go back. Sentence 5: The kids all cried. Choices: a. The Dog. b. Waiting Up.

a