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: Child care is provided for children ages six weeks through ____ years of age.
Example Output: four

Example Input: Black widows mature in two to ____ months.
Example Output: four

Example Input: Suckers usually have ____ or more comb-like pharyngeal teeth, one row on each pharyngeal arch.
Example Output:
ten