instruction:
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.
question:
The barkana waterfalls is located in which state?
answer:
What is the current name of the state where barkana waterfalls is located?


question:
Where does lymph fluid drain in order to go back into the cardiovascular system?
answer:
Which veins does lymph fluid drain in order to go back into the cardiovascular system?


question:
When did the one child policy end in china?
answer:

When did the one child policy end in china for rural parents with a daughter?