Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
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.

Peter serves in the army