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: My son needed to brush his teeth. Sentence 2: His toothbrush was very dirty. Sentence 3: I threw the toothbrush away. Sentence 4: I grabbed a new one from the drawer. Sentence 5: My son brushed his teeth before bed. Choices: a. Toothbrush. b. The Project.

a