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 : Delta Centauri (δ Cen, δ Centauri) is a star in the southern constellation of Centaurus. 
Subject : Delta Centauri 
Relation : constellation

Ex Output:
Which constellation is Delta Centauri a part of?


Ex Input:
Context : Walter Oswald Watt, OBE (11 February 1878 -- 21 May 1921) was an Australian aviator and businessman. 
Subject : Oswald Watt 
Relation : conflict

Ex Output:
What was the war that Oswald Watt fought in?


Ex Input:
Context : Zinda Laash (Urdu: زندہ لاش) is a 1967 Pakistani Urdu feature film, directed by Khwaja Sarfraz. 
Subject : Zinda Laash 
Relation : based on

Ex Output:

Which is the basis of Zinda Laash?