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: Divorce affects one out of every ____ marriages today.

SOLUTION: four

PROBLEM: Some people routinely sleep only ____ hours a night but feel fine during the day.

SOLUTION: four

PROBLEM: Hallucinations refer to internal stimuli that have ____ basis in external reality.

SOLUTION:
no