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: When I got home from work, I just wanted to sleep. Sentence 2: I lay in my bed for a while. Sentence 3: Then, I notice a horrible smell. Sentence 4: It was coming from my pillow. Sentence 5: I tossed my pillow in laundry basket and went back to sleep. Choices: a. Last candy bar. b. Smelly pillow.

b