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 alternative antibiotics require ____ doses per day for ten days.

SOLUTION: three

PROBLEM: Herbs require at least ____ hours of sunlight.

SOLUTION: six

PROBLEM: Water consists of ____ hydrogen and one oxygen atom.

SOLUTION:
two