Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Example Input: Collages can have two or ____ layers.
Example Output: three

Example Input: Presidential elections take place every ____ years.
Example Output: four

Example Input: Livestock remove less than ____ percent of the forages' phosphorus and potassium.
Example Output:
ten