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: The barkana waterfalls is located in which state?

SOLUTION: What is the current name of the state where barkana waterfalls is located?

PROBLEM: When did the beatles stop touring and why?

SOLUTION: When did the Beatles stop touring?

PROBLEM: When is the sims mobile supposed to come out?

SOLUTION:
When did The Sims Mobile release in Brazil?