Instructions: 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: Fred had to finish up a project for work. Sentence 2: He wanted to finish so he could get home. Sentence 3: But his boss was making him stay. Sentence 4: Fred couldn't believe it. Sentence 5: His boss did not let him home until ten. Choices: a. Having to work late. b. Idiot.
Output:
a