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: My grandmother turned off the air conditioner. Sentence 2: She thought it was cold. Sentence 3: It was almost 90 degrees. Sentence 4: Everyone else was sweating. Sentence 5: They turned on a fan. Choices: a. Hot. b. Grocery Store.

a