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.

[EX Q]: When did the french stop using the guillotine?
[EX A]: When was the last execution in France using the guillotine? 
 September 10, 1977

[EX Q]: What led to the end of indus valley civilization?
[EX A]: According to Sir Mortimer Wheeler in 1953, what led to the end of indus valley civilization? 
 "Aryan invasion"

[EX Q]: What is the theme of my heart will go on?
[EX A]:
What film's theme is my heart will go on? 
 Titanic