instruction:
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.
question:
Where is the lost city of petra located?
answer:
Where geographically is the lost city of petra located? 
 around Jabal Al-Madbah in a basin surrounded by mountains which form the eastern flank of the Arabah valley that runs from the Dead Sea to the Gulf of Aqaba


question:
How long is an episode of once upon a time?
answer:
How long is an episode of the 2011 TV series once upon a time? 
 43 minutes


question:
Who wrote the song man of constant sorrow?
answer:

Who wrote and first published the song man of constant sorrow with the title "Farewell Song"? 
 Dick Burnett