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:
Water consists of ____ hydrogen and one oxygen atom.
answer:
two


question:
Females become sexually mature at the age of ____ years.
answer:
five


question:
Regeneration contains ____ types of fiber to maintain intestinal integrity.
answer:

three