Detailed Instructions: 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.
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
A:
Which place does Rio 2 exist in?