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 was depressed. Sentence 2: He did not take proper care of his hygiene. Sentence 3: He decided, enough was enough. Sentence 4: He promised himself to floss every night before sleeping. Sentence 5: Tom solved his oral hygiene problem by acting on the commitment. Choices: a. Will You Marry Me. b. Floss.

b