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: The clouds were low and formidable. Sentence 2: They were turning a dark hue. Sentence 3: I rushed to get past them in time. Sentence 4: A long winding funnel lowered to the ground. Sentence 5: Terrified, I hit the gas and sped home. Choices: a. Storms. b. Mirror.

a