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: Endospores exhibit ____ signs of life, being described as cryptobiotic.
Example Output: no

Example Input: Clovers occasionally have leaves with ____ leaves, instead of the usual three.
Example Output: four

Example Input: Water has a ____ year shelf life.
Example Output:
five