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: Justin just started at a high school. Sentence 2: He was used to being popular. Sentence 3: However, things had changed. Sentence 4: He had to make new friends. Sentence 5: Justin finally gained his popularity back. Choices: a. TV show. b. School.

b