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: Sexual maturity is between ____ and six years of age.
Example Output: three

Example Input: Warts have a finite life span of anywhere from six months up to ____ years.
Example Output: five

Example Input: Calves begin to take in a few fish at ____ to four months.
Example Output:
three