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 presented the first top of the pops?

Ex Output:
Who presented the first ever top of the pops?


Ex Input:
Who sang the theme song to scooby doo?

Ex Output:
Who sang the theme song to the TV series Scooby Doo, Where Are You! from 1969-1970?


Ex Input:
When was the national world war ii memorial built?

Ex Output:

When did construction start on the national World War II memorial?