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: Heather wanted a puppy. Sentence 2: She begged her parents for months. Sentence 3: On her birthday, her parents brought her to the animal shelter. Sentence 4: She picked out a puppy and they adopted him. Sentence 5: Heather loved the dog and they were inseparable. Choices: a. Puppies. b. driving.

a