Definition: You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
Input: Context : The 43rd (Wessex) Reconnaissance Regiment (The Gloucestershire Regiment) (43 Recce) was a regiment of the British Army's Reconnaissance Corps, itself part of the Royal Armoured Corps, during World War II. It fought in North West Europe with the 21st Army Group in 1944--1945.
Subject : 43rd (Wessex) Reconnaissance Regiment
Relation : military branch
Output:
What army did 43rd (Wessex) Reconnaissance Regiment serve in?