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: Tom got a new puppy. Sentence 2: It was still not housebroken. Sentence 3: Tom needed to leave it alone for a while. Sentence 4: The dog went crazy all over the house. Sentence 5: Tom spent all night cleaning up after it. Choices: a. Huge Mess. b. A night to remember.

a