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:
Ospreys mature after ____ years of age.
answer:
two


question:
Women normally have ____ ovaries.
answer:
two


question:
Some programming languages have ____ or more standards .
answer:

two