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.

Example Input: The back of the leg is called what?
Example Output: The back of the lower leg is called what?

Example Input: When do jim and pam kiss in the office?
Example Output: When is the episode of season 2 where jim and pam kiss in the office?

Example Input: What type of stone did the romans use?
Example Output:
What type of stone did the romans use rarely before Augustus?