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: Pete was tired. Sentence 2: He had been working all day. Sentence 3: He had a lot to finish up before the end of the week. Sentence 4: He turned off his phone and continued to focus just on his work. Sentence 5: He knew his job depended on a good performance. Choices: a. Working. b. Talking in Class.

a