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 Q]: Context : Tom Fogerty was born in Berkeley, California. 
Subject : Tom Fogerty 
Relation : medical condition
[EX A]: Which medical condition afflicts Tom Fogerty?

[EX Q]: Context : Vueling was established in February 2004 and commenced operations on 1 July 2004 with a flight between Barcelona and Ibiza. 
Subject : Vueling 
Relation : parent company
[EX A]: What company is Vueling part of?

[EX Q]: Context : The title refers to the Brazilian city of Rio de Janeiro, where the first film was set and Rio 2 begins, though most of its plot occurs in the Amazon rainforest. 
Subject : Rio 2 
Relation : narrative location
[EX A]:
Which place does Rio 2 exist in?