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.

Input: Consider Input: Some species take ____ to two years, or even more.

Output: one

Input: Consider Input: Prairie dogs bear four or ____ young per litter.

Output: five

Input: Consider Input: Most chimpanzees spend about ____ hours a day feeding.
Output: seven