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: Spiders have only ____ body divisions and eight legs.
Example Output: two

Example Input: Light chains exist in ____ classes, lambda and kappa.
Example Output: two

Example Input: Soldiers mature within a year and live an average of ____ years.
Example Output:
five