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: Corry moved into a new apartment. Sentence 2: After a while he noticed a bad smell. Sentence 3: He could never place it. Sentence 4: He had to have professionals go in and find it. Sentence 5: They located the problem and fixed it. Choices: a. Bad Smell. b. Loud Baby.

a