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: Norman had gotten a promotion at his job. Sentence 2: The pay raise was very little. Sentence 3: Norman had a lot more responsibilities. Sentence 4: Norman began to suffer from stress. Sentence 5: Norman decided to step down from his position. Choices: a. Election. b. A Promotion.

b