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 idea was used to justify u.s. foreign policy during the cold war era?
Example Output: What ideas were used to justify u.s. foreign policy during the cold war era?

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: How long is the movie alice in wonderland?
Example Output:
How long is the 1951 movie Alice in Wonderland?