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: Cheryl worked more than 40 hours every week. Sentence 2: She hoped that her hard work would be recognized. Sentence 3: Her supervisor however did not give her a stellar review. Sentence 4: Cheryl was very disappointed and disheartened. Sentence 5: She started looking for a new job. Choices: a. Phone. b. Hard Work.

b