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: Marriage is the legal union of ____ people.
Example Output: two

Example Input: Alcohol content is ____ to three times more than beer.
Example Output: two

Example Input: Finnish nouns can have ____ kinds of suffixes.
Example Output:
four