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: Anna was sure her attic was haunted. Sentence 2: She heard noises up there late at night. Sentence 3: Then one day her husband went up to investigate. Sentence 4: He found a family of squirrels living there! Sentence 5: Anna was relieved that her house wasn't haunted after all! Choices: a. Pillow. b. Haunted.

b