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.

Ex Input:
Context : The British Army's 1st Artillery Brigade and Headquarters South West is a formation under Force Troops Command that has control over close support artillery units within the British Army and is the Regional Point of Command (RPoC) for British Army units in the South West Region. 
Subject : 1st Artillery Brigade and Headquarters South West 
Relation : military branch

Ex Output:
What branch was 1st Artillery Brigade and Headquarters South West part of?


Ex Input:
Context : Lieutenant-General John Home Home was an officer of the British Army. 
Subject : John Home Home 
Relation : military branch

Ex Output:
What armed force was John Home Home a part of?


Ex Input:
Context : American astronomer Adriaan van Maanen, Van Maanen 2 was the third white dwarf identified, after 40 Eridani B and Sirius B, and the first that was not a member of a multi-star system. 
Subject : Van Maanen 2 
Relation : constellation

Ex Output:

Which constellation is Van Maanen 2 in?