TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.
PROBLEM: Who is the movie the terminal based on?

SOLUTION: Who is the 2004 movie the terminal based on? 
 Mehran Karimi Nasseri

PROBLEM: What led to the end of indus valley civilization?

SOLUTION: According to Sir Mortimer Wheeler in 1953, what led to the end of indus valley civilization? 
 "Aryan invasion"

PROBLEM: Where does the last name ketchum come from?

SOLUTION:
What country did the last name Ketchum come from? 
 England