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: Alan had been hearing noises at night. Sentence 2: The noises were coming from his attic. Sentence 3: Alan decided to check the attic. Sentence 4: Alan discovered rats in the attic. Sentence 5: He called the exterminator that day. Choices: a. 4 years old with a phone. b. Rats in the Attic.

b