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: Peter enlists in the army. Sentence 2: Peter serves his country proudly. Sentence 3: Peter is ask to go to war. Sentence 4: While in war Peter is killed in combat. Sentence 5: Peter was a true hero for his country. Choices: a. Peter serves in the army. b. Blake is late for work.

a