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: Most ovarian cysts go away on their own in ____ to three months without causing any problems.

SOLUTION: one

PROBLEM: Fossil fuels come in ____ major forms coal, oil and natural gas.

SOLUTION: three

PROBLEM: Spiders have two segments and flies have ____ segments.

SOLUTION:
three