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: Joe was returning to college as an adult. Sentence 2: He was nervous that he would be much older than everyone. Sentence 3: He walked into his first class. Sentence 4: He saw several other people who were his age. Sentence 5: He was much less anxious from then on. Choices: a. The Rude Neighbors. b. Back to School.

b