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: I was chilling right in the room. Sentence 2: All the sudden I heard loud footsteps. Sentence 3: They were very loud. Sentence 4: I couldn't sleep. Sentence 5: I had to wear headphones. Choices: a. Blowing hot air. b. Loud footsteps.

b