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: Lisa has a dog who is a small chihuahua named Daisy. Sentence 2: Daisy loved going on long walks. Sentence 3: Lisa took Daisy for a walk along the beach. Sentence 4: While walking Daisy broke free from her leash. Sentence 5: Lisa searched for Daisy all night but could not find her. Choices: a. Buying a Used Car. b. Lisas Dog.

b