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: Who introduced the technique of sign drawing of a man as a measure of intelligence?
Example Output: Who first introduced the technique of sign drawing of a man as a measure of intelligence?

Example Input: When did the first episode of phineas and ferb come out?
Example Output: When did the first one-episode preview of phineas and ferb come out?

Example Input: Where was the movie birth of a nation filmed?
Example Output:
Where was the 1915 movie birth of a nation filmed?