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.

Ex Input:
Who introduced the technique of sign drawing of a man as a measure of intelligence?

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


Ex Input:
Who achieved a victory at the battle of marathon?

Ex Output:
What country achieved a victory at the battle of marathon?


Ex Input:
How long does it take for vicryl sutures to dissolve?

Ex Output:

How long does it take for vicryl sutures to dissolve to the point of not having tensile strength?