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: Hyacinths have a wingspan reaching nearly ____ feet.
Example Output: four

Example Input: Tin has ____ allotropic forms.
Example Output: two

Example Input: Stroke affects ____ out of five families and is the third leading cause of death.
Example Output:
four