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: Petra saw something scurry across her floor. Sentence 2: It was a mouse! Sentence 3: She was terrified. Sentence 4: She jumped onto the kitchen counter and screamed. Sentence 5: Her husband came and killed the mouse. Choices: a. The Mouse. b. The Grey Sweater.

a