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: Tim moved into a new apartment. Sentence 2: It was really close to a train track. Sentence 3: The train would drive by twice every night. Sentence 4: It was really loud and annoying. Sentence 5: Tim had to learn to sleep around it. Choices: a. Loud Train. b. Outside.

a