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: Mitch started working at a construction site right out of high school. Sentence 2: He was very good at it, and the boss soon gave him a raise. Sentence 3: One day, some protesters were on the edge of the site, holding signs. Sentence 4: They were yelling because the company hired non-union workers. Sentence 5: Mitch had a lot to think about when he got home that day. Choices: a. The Job. b. Jack's Army Days.
Output:
a