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: Tom bought a new house by the freeway. Sentence 2: It was loud but he couldn't afford anything else. Sentence 3: Tom struggled with it at first. Sentence 4: After a while he invested in good earplugs. Sentence 5: They made a huge difference. Choices: a. Circulation. b. Loud Street.
Output:
b