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: Bob went to work at his grocery store. Sentence 2: He was doing his job as usual. Sentence 3: Then, one of the bosses called him over. Sentence 4: The boss asked him why he was here. Sentence 5: Bob realized he wasn't suppose to work today. Choices: a. Work Day.. b. Carl Workout.
Output:
a