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: Sara worked at a jewelry store. Sentence 2: She got a commission on every sale she made. Sentence 3: One day a gentleman came in to buy his wife a nice ring. Sentence 4: The man purchased an expensive anniversary ring from Sara. Sentence 5: She made a lot of commission off the sale. Choices: a. The Jewelry Sale. b. For a quarter you get a superhero.

a