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: Where is the tigris and euphrates river valley located?

SOLUTION: What continent is the tigris and euphrates river valley located? 
 Western Asia

PROBLEM: Who controls the house of representatives right now?

SOLUTION: Who controls the 116th congress? 
 The Democratic Party

PROBLEM: Where does the saying price of tea in china come from?

SOLUTION:
What is the economic origin of the saying price of tea in china come from? 
 economists, who describe everything economic as affecting everything else, trying to find an expression which denotes the farthest logical connection from their current economic focus, in a sort of butterfly effect.[2] In this way, the price of tea in China was used to denote the farthest possibility.