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: Women are ____ times more likely to experience carpal tunnel syndrome than men.

SOLUTION: five

PROBLEM: Many countries have ____ laws against kiddie porn on the Internet.

SOLUTION: no

PROBLEM: Optometrists attend ____ years of optometry school before starting practice.

SOLUTION:
four