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: Wolves have ____ different types of fur.

SOLUTION: two

PROBLEM: Object permanence is seen in children ____ to twelve months old .

SOLUTION: eight

PROBLEM: Anthrax usually is a fatal disease with ____ symptoms observed.

SOLUTION:
no