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: Aboriginal society is divided into ____ complementary branches.
Example Output: two

Example Input: Nitric oxide serves ____ main functions in the body.
Example Output: three

Example Input: Ethnic violence is punishable by up to ____ years in jail.
Example Output:
five