In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

The basic ratio on which the notation of rhythm is built is?
The basic ratio on which the modern notation of rhythm is built is?
2:1

What day of the year is mothers day always celebrated?
What day of the year is mothers day always celebrated in the US?
second Sunday in May

Who developed a method of printing that greatly stimulated the growth of literacy?
Who developed a method of printing called the printing press that greatly stimulated the growth of literacy?
Johannes Gensfleisch zur Laden zum Gutenberg