instruction:
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.
question:
Ozone is formed of ____ atoms of oxygen.
answer:
three


question:
Most people get one or ____ common colds every year.
answer:
two


question:
Water is forced through a system which breaks it into drops as small as ____ microns.
answer:

five