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: Calves are born after a gestation of ____ months.
Example Output: nine

Example Input: Spermatogenesis creates ____ sperm of equal size.
Example Output: four

Example Input: Shamans have ____ forms of election, passive and active.
Example Output:
two