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: Esmae loved reading books. Sentence 2: One day the library had a book sale with all the classics. Sentence 3: Esmae reluctantly borrowed $20 from her mother to go to the sale. Sentence 4: She came home with a huge stack of wonderful books. Sentence 5: Now Esmae happily does extra chores to pay back her mother. Choices: a. The Book Sale. b. Lost Dog.

a