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: Some nurseries only take children aged ____ years and over.
Example Output: two

Example Input: Children can age an adult faster than ____ years in prison.
Example Output: ten

Example Input: Gray whales reach sexual maturity at eight or ____ years.
Example Output:
nine