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: Girls have ____ ovaries.

SOLUTION: two

PROBLEM: Many people have ____ symptoms until they suffer chest pains or a heart attack.

SOLUTION: no

PROBLEM: Hellbenders are split into ____ groups, called subspecies.

SOLUTION:
two