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: Most ovarian cysts go away on their own in ____ to three months without causing any problems.
Example Output: one

Example Input: Pigs grow very quickly and are normally ready for sale at ____ to six months of age.
Example Output: four

Example Input: Dinoflagellates are unicellular forms with ____ to three flagellae .
Example Output:
one