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: Marge didn't get along with a coworker. Sentence 2: One day, she placed office supplies in the co workers purse. Sentence 3: Security captured Marge on camera. Sentence 4: Marge was fired on the spot. Sentence 5: Marge learned a valuable lesson about karma. Choices: a. The Bad Coworker. b. Barney.

a