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

Input: Consider 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?

Output: murder


Input: Consider Input: Context : USS George M. Campbell (DE-773) was a United States Navy Cannon-class destroyer escort proposed during World War II but never completed. 
Question : What specific type of seafaring vessel was USS George M. Campbell (DE-773)?

Output: Cannon-class destroyer escort


Input: Consider Input: Context : Red Star Parcels was a service which used passenger trains for transporting parcels between passenger railway stations throughout the United Kingdom, owned and operated by British Rail. 
Question : Which company is the parent company of Red Star Parcels?


Output: British Rail