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: Flat screens come in ____ varieties, analog and digital.

SOLUTION: two

PROBLEM: Weight is proportionate to body volume, measured in ____ dimensions.

SOLUTION: three

PROBLEM: Ice covers about ____ percent of the world's water surface.

SOLUTION:
three