TASK DEFINITION: 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.
PROBLEM: Water emits oscillations that are measurable from ____ through Megahertz.

SOLUTION: zero

PROBLEM: Males mature sexually as soon as ____ years of age.

SOLUTION: two

PROBLEM: Most pathological gamblers start gambling before the age of fifteen, some as young as ____ or ten.

SOLUTION:
nine