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: Lillie started off as a tiny black and red puppy. Sentence 2: Her mom dog was poodle and dad was a lhasa apso. Sentence 3: Lillie was very tiny even at the age of six months. Sentence 4: She finally began to grow and fill out. Sentence 5: Her hair also changed color to a light beige. Choices: a. Lillie. b. The Weight.

a