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: Orchestra conductors live ____ to seven years longer than is usual in their societies.

SOLUTION: three

PROBLEM: Green lines represent the boundaries between the ____ hemispheres.

SOLUTION: two

PROBLEM: Some babies spend six to ____ months after their due dates in the nursery.

SOLUTION:
nine