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.

Example Input: Context : We Didn't Mean to Go to Sea is the seventh book in Arthur Ransome's Swallows and Amazons series of children's books. 
Subject : We Didn't Mean to Go to Sea 
Relation : series
Example Output: What is the series called that We Didn't Mean to Go to Sea belongs to?

Example Input: Context : Alfred Prettyman is currently a professor at the Ramapo College of New Jersey. 
Subject : Alfred Prettyman 
Relation : residence
Example Output: What city is Alfred Prettyman associated with?

Example Input: Context : The Remote Desktop Protocol (RDP) of Windows 7 is also enhanced to support real-time multimedia application including video playback and 3D games, thus allowing use of DirectX 10 in remote desktop environments. 
Subject : Windows 7 
Relation : based on
Example Output:
Which is the basis of Windows 7?