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: Consider Input: Context : The Duke of Wellington's Regiment (West Riding) was a line infantry regiment of the British Army, forming part of the King's Division. 
Subject : Duke of Wellington's Regiment 
Relation : military branch

Output: What branch was Duke of Wellington's Regiment part of?


Input: Consider Input: Context : Sotelma provides local telephony, international telephony, internet service and mobile telephone service, etc. Its mobile service subsidiary is Malitel. 
Subject : Sotelma 
Relation : parent company

Output: Which company is the parent company of Sotelma?


Input: Consider Input: Context : Kenneth Whiting (22 July 1881 -- 24 April 1943) was a United States Navy officer who was a pioneer in submarines and is best known for his lengthy career as a pioneering naval aviator. 
Subject : Kenneth Whiting 
Relation : military branch


Output: In what military organization did Kenneth Whiting serve?