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 BBC adapted The Warden and its sequel, Barchester Towers, into the miniseries The Barchester Chronicles (1982). 
Subject : The Warden 
Relation : series

Output: To which series does The Warden belong?


Input: Consider Input: Context : Carl Gamborg-Andresen was born to Norway and emigrated to the United States. 
Subject : Carl Gamborg-Andresen 
Relation : military branch

Output: What military organization did Carl Gamborg-Andresen belong to?


Input: Consider Input: Context : Walter Grabmann (20 September 1905 -- 20 August 1992) was a German World War II Luftwaffe Generalmajor. 
Subject : Walter Grabmann 
Relation : conflict


Output: In which war did Walter Grabmann participate?