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 : By his wife Sigyn, Loki is the father of Narfi and/or Nari. 
Subject : Loki 
Relation : spouse
Example Output: What is Loki's spouse's name?

Example Input: Context : Decameron Nights is a 1953 anthology Technicolor film based on three tales from The Decameron by Giovanni Boccaccio, specifically the ninth and tenth tales of the second day and the ninth tale of the third. 
Subject : Decameron Nights 
Relation : based on
Example Output: Which is the basis of Decameron Nights?

Example Input: Context : HD 3 is a triple star located 139 parsecs (450 ly) away in the constellation Andromeda. 
Subject : HD 3 
Relation : constellation
Example Output:
The star/galaxy HD 3 is in what constellation?