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: Jeremy used a machine to make a new key. Sentence 2: The machine accepted his key. Sentence 3: It started making very loud noises. Sentence 4: When it was time to give the key back, it broke. Sentence 5: Jeremy pushed the machine, but he was now with no keys at all. Choices: a. Losing keys. b. Cabbage Soup for Amy.

a