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.

Example Input: Most species have ____ toes, three of which are forward-pointing.
Example Output: four

Example Input: Rodents contaminate ____ times more food than they eat.
Example Output: ten

Example Input: Wolverines reproduce every two or ____ years.
Example Output:
three