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:
Sexual maturity is reached at ____ years, and females calve every other year.
answer:
four


question:
Poodles come in ____ poodle sizes and shapes.
answer:
three


question:
Blood flows in ____ direction through the four chambers with the aid of the four heart valves.
answer:

one