Generate a correct and concise answer for the question based on the words in the context.

Ex Input:
Context : John E. Hatley is a former Master Sergeant in the United States Army serving a 40-year sentence in the Fort Leavenworth Disciplinary Barracks for the murder of four Iraqi detainees. 
Question : Which crime John E. Hatley is considered to have commited?

Ex Output:
murder


Ex Input:
Context : Bruno Sutkus (Lithuanian: Bronius Sutkus, 14 May 1924 -- 29 August 2003) was a Lithuanian-German sniper in the 68th Infantry Division of the German Army, on the Eastern Front of World War II, and was credited with 209 kills. 
Question : Which conflict was Bruno Sutkus a part of?

Ex Output:
World War II


Ex Input:
Context : Władysław Gnyś (24 August 1910 -- 28 February 2000) was a Polish pilot of the Polish Air Force and probably the first Allied victor in aerial combat in World War II. In 1931, Wladyslaw Gnys entered military service with the Polish Air Force. 
Question : Which armed forces utilised the service of Władysław Gnyś?

Ex Output:

Polish Air Force