TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
PROBLEM: Who plays hermione in harry potter and the cursed child?

SOLUTION: Who plays Hermione in the original West End Cast (2016-2017) of Harry Potter and the Cursed Child?

PROBLEM: What kind of church is the hagia sophia?

SOLUTION: What kind of church was the hagia sophia originally?

PROBLEM: When is the cutoff for being a millennial?

SOLUTION:
What year is generally considered the widely accepted end of the millennial generation?