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: What is the upper most layer of soil?
Example Output: What is the upper most layer of soil called?

Example Input: When was the national world war ii memorial built?
Example Output: When did construction start on the national World War II memorial?

Example Input: Who won in the charge of the light brigade?
Example Output:
Who was the side that won in the real life charge of the light brigade?