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:
Respiratory therapists complete two to ____ years of education.
answer:
four


question:
Plants generally live ____ years but sometimes longer.
answer:
two


question:
Carbon dioxide extinguishes fire by physically attacking all ____ points of the fire triangle.
answer:

three