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: Everything was quiet. Sentence 2: The boy was able to relax. Sentence 3: He drifted off to sleep. Sentence 4: His mom got home. Sentence 5: His mom made too much noise to sleep. Choices: a. Fish. b. quiet.

b