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.

Input: Consider Input: Dark side of the moon weeks on chart?

Output: Dark side of the moon total number of weeks on billboard album chart?


Input: Consider Input: Who constructed the suez canal and when was it finished?

Output: Who is the company that constructed the suez canal?


Input: Consider Input: What is the control centre of reflex action?


Output: What body system controls reflex action?