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: Dholes are highly social animals and live in packs of about ____ dogs.

SOLUTION: ten

PROBLEM: Perjury is punishable by imprisonment in state prison for two, three, or ____ years.

SOLUTION: four

PROBLEM: House wrens are small birds, four and a half to five and a ____ inches in length.

SOLUTION:
four