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: Sexual maturity is reached at ____ years, and females calve every other year.

SOLUTION: four

PROBLEM: Poodles come in ____ poodle sizes and shapes.

SOLUTION: three

PROBLEM: Cryptography provides ____ services that are crucial in secure programming.

SOLUTION:
three