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: Brandon signed up for the Air Force after graduating high school. Sentence 2: He was under the impression that it would be easy and fun. Sentence 3: He soon found out that he was very wrong. Sentence 4: Brandon hated everything about the Air Force. Sentence 5: He devised a plan to fake sleepwalking and got a medical discharge. Choices: a. Sleepwalking. b. First Day of Work.

a