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: Tuberculosis develops in ____ stages.
Example Output: two

Example Input: Primates have ____ digits on their forelimbs.
Example Output: five

Example Input: Verrucous carcinomas are exceptional, with only ____ well-documented cases in the literature.
Example Output:
three