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: One morning Steven work up to a strange sound. Sentence 2: A constant buzz wouldn't leave his ears. Sentence 3: He searched around the room and saw it - a fly. Sentence 4: He threw the first thing he could find, which was his alarm clock. Sentence 5: The alarm clock broke when it hit the fly, and Steven happily slept. Choices: a. Problem Child. b. Steven and the Fly.

b