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: Allie got a pair of beats headphones. Sentence 2: She wore them every day. Sentence 3: One day they broke. Sentence 4: So she had to replace them. Sentence 5: She liked the new ones better. Choices: a. Replacing headphones.. b. New book.
Output:
a