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: Some babies start sleeping through the night on their own around three or ____ months.

SOLUTION: four

PROBLEM: Most health professionals recommend approximately ____ hours of sleep each night.

SOLUTION: eight

PROBLEM: Traffic crashes are the greatest single cause of death for every age from ____ through twenty-eight.

SOLUTION:
six